{"id":11255,"date":"2021-08-13T00:59:51","date_gmt":"2021-08-13T00:59:51","guid":{"rendered":"http:\/\/www.esptechno.com\/main\/?page_id=11255"},"modified":"2026-01-28T03:09:57","modified_gmt":"2026-01-28T03:09:57","slug":"annunciator-system-04-series","status":"publish","type":"page","link":"https:\/\/www.esptechno.com\/main\/th\/annunciator-system-04-series\/","title":{"rendered":"ANNUNCIATOR SYSTEM (04 SERIES)"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"11255\" class=\"elementor elementor-11255\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-26b744a elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no elementor-invisible\" data-id=\"26b744a\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;zoomIn&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-23c239f\" data-id=\"23c239f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-26de7c4 elementor-widget elementor-widget-image\" data-id=\"26de7c4\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"1455\" height=\"448\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01.png\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"ESPAN LOGO-01\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01.png 1455w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-300x92.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-1024x315.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-768x236.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-16x5.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-130x40.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-200x62.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01-48x15.png 48w\" sizes=\"(max-width: 1455px) 100vw, 1455px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1c1c36 elementor-widget elementor-widget-heading\" data-id=\"b1c1c36\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SD-BD-04-02\/Rev.10\/09-01-69<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-99de6f1 elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no elementor-invisible\" data-id=\"99de6f1\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;slideInRight&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-56e0b1e7\" data-id=\"56e0b1e7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1c95d1e3 elementor-hidden-desktop elementor-hidden-tablet elementor-widget elementor-widget-heading\" data-id=\"1c95d1e3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h6 class=\"elementor-heading-title elementor-size-default\">ANNUNCIATOR SYSTEM (04 SERIES)<\/h6>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-67822d8 elementor-hidden-phone elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"67822d8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-31b2b67\" data-id=\"31b2b67\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c7d6572 elementor-widget elementor-widget-heading\" data-id=\"c7d6572\" data-element_type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h5 class=\"elementor-heading-title elementor-size-medium\"><br>Annunciator System (04 Series)<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4461376 elementor-widget elementor-widget-easymeals_core_separator\" data-id=\"4461376\" data-element_type=\"widget\" data-widget_type=\"easymeals_core_separator.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"qodef-shortcode qodef-m  qodef-separator clear\">\n\t<div class=\"qodef-m-line\" style=\"border-color: #0A79A1;border-style: solid;width: 70px;border-bottom-width: 3px\"><\/div>\n<\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5817e07f elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"5817e07f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-69940924\" data-id=\"69940924\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-774af79f elementor-widget elementor-widget-image\" data-id=\"774af79f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"828\" height=\"679\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04.png\" class=\"attachment-large size-large\" alt=\"ESPOWER website_ESPAN04\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04.png 828w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04-300x246.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04-768x630.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04-16x12.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04-130x107.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04-200x164.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2026\/01\/ESPOWER-website_ESPAN04-48x39.png 48w\" sizes=\"(max-width: 828px) 100vw, 828px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-71a41fa5 elementor-hidden-phone elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no elementor-invisible\" data-id=\"71a41fa5\" data-element_type=\"section\" data-settings=\"{&quot;animation&quot;:&quot;slideInUp&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-narrow\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9cd5e8c\" data-id=\"9cd5e8c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6834b247 elementor-widget elementor-widget-text-editor\" data-id=\"6834b247\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h3><span style=\"font-family: roboto;\"><span style=\"color: #ff0000; font-size: 24pt;\"><strong><span style=\"color: #00537b;\">Description\u00a0\u00a0<\/span><br \/><\/strong><\/span><span style=\"font-size: 14pt;\">\u00a0 \u00a0ESPAN-04 series is designed to use as an alarm for general switchgear cubicleor local control panel of GIS, local control cabinet of power transformer and all of control panel, which needs alarm function. It indicates fault status by using special high brightness LED. The ESPAN-04 series can be selected by the number of alarm input 8,10,16 alarm or 20 alarm which specified when order.<\/span><\/span><\/h3><h2><span style=\"color: #00537b; font-family: roboto;\"><strong>Features<\/strong><\/span><\/h2><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Aluminum housing, DIN format 96 x 96 mm<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Operating delay time can be selected by software starting from 200 ms. Up to 2400 ms.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Built-in three push buttons for Acknowledge, Reset and Test<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 The label is a single paper sheet which slides into a small transparent envelope recessed in the front panel.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 All inputs are isolated with opto-couple, NO or NC volt-free contact can be selected by software.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Alarm sequences (Auto\/Manual Reset \/Indicator) of each input can be selected by software.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0\u00a0Alarm sound type (Bell\/Buzzer) of each input can be selected by software.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Integrated two test functions (Lamp Test &amp; Function Test) in one push button (\u201cTEST\u201d)<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Time of auto acknowledge function can be set from 1-240 seconds.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Built-in heart beat function which illuminated by LED lamp to display healthy status as self-supervision function.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Supervisory contact (watchdog) for warning status<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Communication port : USB for configuration, RS485 \u2013 Modbus RTU for serial interface<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Alarm monitor software for remote monitoring and control ( Ack \/ Reset \/ Test )<\/span><\/p><h5><span style=\"font-family: roboto;\">\u00a0 <strong>\u00a0 <span style=\"text-decoration: underline;\">Option<\/span><\/strong><\/span><\/h5><p><span style=\"font-family: roboto;\">\u2666\u00a0 \u00a0 \u00a0Relay output module : The auxiliary contact output or repeat relay module, normally used for<\/span><\/p><p><span style=\"font-family: roboto;\">\u00a0 \u00a0 \u00a0 \u00a0remote alarm or remote control as given\u00a0 design<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6d937b26 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"6d937b26\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-23735577\" data-id=\"23735577\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-38147d6f elementor-widget elementor-widget-heading\" data-id=\"38147d6f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Technical Data <\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-52c3ab2e elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"52c3ab2e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-53a34ee\" data-id=\"53a34ee\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76a6d02d elementor-widget elementor-widget-image\" data-id=\"76a6d02d\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"1906\" height=\"558\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec.png\" class=\"attachment-full size-full\" alt=\"ESPAN04_Spec\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec.png 1906w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-300x88.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-1024x300.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-768x225.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-1536x450.png 1536w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-16x5.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-130x38.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-200x59.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Spec-48x14.png 48w\" sizes=\"(max-width: 1906px) 100vw, 1906px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-773701d9 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"773701d9\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-503aad9e\" data-id=\"503aad9e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5191c426 elementor-widget elementor-widget-text-editor\" data-id=\"5191c426\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"color: #000000; font-family: roboto; font-size: 14pt;\"><strong>Operating Principle<\/strong><\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u00a0 \u00a0 When an alarm signal is occurred, it will initiate Bell\/Buzzer to operate. Meanwhile, it will produce output direct to the display LED, which makes LED flicking. After pressing an acknowledged push button, Bell or Buzzer remains silence but LED is steady on. If an alarm signal is return to normal status then the alarm is cancelled. However, the light of the indicating display LED will be sustained. Unless the reset push button switch is activated. Then the LED will be turn off and return to its initial condition. The \u201cTEST\u201d push button includes two functions; the first function is \u201cLamp TEST\u201d if push and hold this push button less than 3 seconds, it will light up all LED lamps at the front panel only. The second function is \u201cFunction Test\u201d if push and hold this push button more than 3 seconds, the LED lamp will start flicking and Bell\/Buzzer alarms. This \u201cTEST\u201d push button is provided for checking purpose of all LED and operating functions at normal condition. While checking all LED and suddenly some of the alarm signals are occurred, the alarm sequence will be operated as usual without effect from the lamp test sequence. Alarm sequence can be selected by software for manual reset sequence or auto reset sequence as described as below.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\"><strong><span style=\"color: #000000;\">SEQUENCE1 : MANUAL RESET<\/span><\/strong><\/span><\/p><p><span style=\"font-size: 14pt; font-family: roboto;\">\u00a0 \u00a0When an alarm signal is occurred, the LED would gently flash and Bell or Buzzer will activate continuously. To stop the sound of Bell or Buzzer, \u201cACK\u201d push button has to be pressed. Then Bell\/Buzzer is silenced but LED is still steady on. Reset is only possible by pressing \u201cRESET\u201d push button when alarm input returns to normal status.<\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\"><strong><span style=\"color: #000000;\">SEQUENCE2 : AUTO RESET<\/span><\/strong><\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u00a0 \u00a0When an alarm signal is occurred, the LED would gently flash and Bell or Buzzer will activate continuously. To stop the sound of Bell or Buzzer, \u201cACK\u201d push button has to be pressed. Then Bell\/Buzzer is silenced but lamp is steady on. Auto reset will take place simultaneously when alarm input returns to normal status.<\/span><\/p><p><span style=\"font-size: 14pt; font-family: roboto;\"><strong>INPUT INDICATOR FUNCTION<\/strong><\/span><\/p><p><span style=\"font-family: roboto; font-size: 14pt;\">\u00a0 \u00a0This function is same as indicator lamp. When an alarm signal feed through an assigned input of Annunciator, the LED display lamp of that design fault will lid or steady on. After alarm input returns to normal then the display lamp will automatically switch off.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30f3619a elementor-widget elementor-widget-heading\" data-id=\"30f3619a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Connection Diagram <\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f8c2fd3 elementor-widget elementor-widget-text-editor\" data-id=\"3f8c2fd3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <span style=\"font-family: roboto; font-size: 14pt;\">\u00a0Connection diagram at the rear side of ESPAN04<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cab428c elementor-widget elementor-widget-image\" data-id=\"cab428c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"812\" height=\"1024\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-812x1024.png\" class=\"attachment-large size-large\" alt=\"ESPAN04_Connection diagram\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-812x1024.png 812w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-238x300.png 238w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-768x969.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-10x12.png 10w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-103x130.png 103w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-159x200.png 159w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram-38x48.png 38w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Connection-diagram.png 1140w\" sizes=\"(max-width: 812px) 100vw, 812px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-456f6c00 elementor-widget elementor-widget-heading\" data-id=\"456f6c00\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Dimension and Cut \u2013 out<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2af4f8d3 elementor-widget elementor-widget-image\" data-id=\"2af4f8d3\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"1024\" height=\"882\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-1024x882.png\" class=\"attachment-large size-large\" alt=\"ESPAN04_Cut out\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-1024x882.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-300x258.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-768x661.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-14x12.png 14w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-130x112.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-200x172.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out-48x41.png 48w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_Cut-out.png 1312w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46ee0e81 elementor-widget elementor-widget-spacer\" data-id=\"46ee0e81\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-668ed0c1 elementor-widget elementor-widget-heading\" data-id=\"668ed0c1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Product Coding <\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f339193 elementor-widget elementor-widget-image\" data-id=\"7f339193\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img width=\"1024\" height=\"290\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-1024x290.png\" class=\"attachment-large size-large\" alt=\"ESPAN04_code\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-1024x290.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-300x85.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-768x218.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-16x5.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-130x37.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-200x57.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code-48x14.png 48w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN04_code.png 1376w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-74f7f4e elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"74f7f4e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9809050\" data-id=\"9809050\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d8b37e6 elementor-widget elementor-widget-spacer\" data-id=\"d8b37e6\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f438d9f elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"f438d9f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f17c3d2\" data-id=\"f17c3d2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-65e048c elementor-widget elementor-widget-spacer\" data-id=\"65e048c\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1cacb91 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"1cacb91\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-4a48ae6\" data-id=\"4a48ae6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bfbe49d elementor-align-center elementor-widget elementor-widget-button\" data-id=\"bfbe49d\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/drive.google.com\/file\/d\/1nW76Xsdl_FaOakcx99peBdsmmPNPOQU0\/view?usp=sharing\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-xs\" role=\"button\" id=\"BTN_NOVA\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Download Datasheet<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-b26c9a8\" data-id=\"b26c9a8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7284d2f elementor-align-center elementor-widget elementor-widget-button\" data-id=\"7284d2f\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t<a href=\"https:\/\/drive.google.com\/file\/d\/1OHw0ZTv9DNIDCMcp_rkIjvij2QkLWIjE\/view?usp=sharing\" target=\"_blank\" class=\"elementor-button-link elementor-button elementor-size-xs\" role=\"button\" id=\"BTN_NOVA\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-text\">Download User Manual<\/span>\n\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2c4027c elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"2c4027c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-90ef9e5\" data-id=\"90ef9e5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-42cb55f elementor-widget elementor-widget-spacer\" data-id=\"42cb55f\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>SD-BD-04-02\/Rev.10\/09-01-69 ANNUNCIATOR SYSTEM (04 SERIES) Annunciator System (04 Series) Description\u00a0\u00a0\u00a0 \u00a0ESPAN-04 series is designed to use as an alarm for general switchgear cubicleor local control panel of GIS, local control cabinet of power transformer and all of control panel, which needs alarm function. It indicates fault status by using special high brightness LED. The ESPAN-04 [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-full-width.php","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>ANNUNCIATOR SYSTEM (04 SERIES) - ESPTECHNOLOGIES<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.esptechno.com\/main\/th\/annunciator-system-04-series\/\" \/>\n<meta property=\"og:locale\" content=\"th_TH\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANNUNCIATOR SYSTEM (04 SERIES) - ESPTECHNOLOGIES\" \/>\n<meta property=\"og:description\" content=\"SD-BD-04-02\/Rev.10\/09-01-69 ANNUNCIATOR SYSTEM (04 SERIES) Annunciator System (04 Series) Description\u00a0\u00a0\u00a0 \u00a0ESPAN-04 series is designed to use as an alarm for general switchgear cubicleor local control panel of GIS, local control cabinet of power transformer and all of control panel, which needs alarm function. It indicates fault status by using special high brightness LED. The ESPAN-04 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.esptechno.com\/main\/th\/annunciator-system-04-series\/\" \/>\n<meta property=\"og:site_name\" content=\"ESPTECHNOLOGIES\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-28T03:09:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 \u0e19\u0e32\u0e17\u0e35\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.esptechno.com\/main\/#website\",\"url\":\"https:\/\/www.esptechno.com\/main\/\",\"name\":\"ESPTECHNOLOGIES\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.esptechno.com\/main\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"th\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/#primaryimage\",\"inLanguage\":\"th\",\"url\":\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01.png\",\"contentUrl\":\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2024\/06\/ESPAN-LOGO-01.png\",\"width\":1455,\"height\":448,\"caption\":\"ESPAN LOGO-01\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/#webpage\",\"url\":\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/\",\"name\":\"ANNUNCIATOR SYSTEM (04 SERIES) - ESPTECHNOLOGIES\",\"isPartOf\":{\"@id\":\"https:\/\/www.esptechno.com\/main\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/#primaryimage\"},\"datePublished\":\"2021-08-13T00:59:51+00:00\",\"dateModified\":\"2026-01-28T03:09:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/#breadcrumb\"},\"inLanguage\":\"th\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.esptechno.com\/main\/annunciator-system-04-series\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\\u0e1b\\u0e23\\u0e30\\u0e01\\u0e2d\\u0e1a\\u0e01\\u0e34\\u0e08\\u0e01\\u0e32\\u0e23\\u0e1c\\u0e25\\u0e34\\u0e15\\u0e40\\u0e04\\u0e23\\u0e37\\u0e48\\u0e2d\\u0e07\\u0e01\\u0e33\\u0e40\\u0e19\\u0e34\\u0e14\\u0e44\\u0e1f\\u0e1f\\u0e49\\u0e32 \\u0e41\\u0e1c\\u0e07\\u0e27\\u0e07\\u0e08\\u0e23 \\u0e2d\\u0e38\\u0e1b\\u0e01\\u0e23\\u0e13\\u0e4c\\u0e1b\\u0e23\\u0e30\\u0e2b\\u0e22\\u0e31\\u0e14\\u0e1e\\u0e25\\u0e31\\u0e07\\u0e07\\u0e32\\u0e19 \\u0e2b\\u0e25\\u0e2d\\u0e14\\u0e44\\u0e1f\\u0e1f\\u0e49\\u0e32 \\u0e01\\u0e32\\u0e23\\u0e1c\\u0e25\\u0e34\\u0e15\\u0e21\\u0e2d\\u0e40\\u0e15\\u0e2d\\u0e23\\u0e4c\\u0e44\\u0e1f\\u0e1f\\u0e49\\u0e32\",\"item\":\"https:\/\/www.esptechno.com\/main\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ANNUNCIATOR SYSTEM (04 SERIES)\"}]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"ANNUNCIATOR SYSTEM (04 SERIES) - ESPTECHNOLOGIES","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.esptechno.com\/main\/th\/annunciator-system-04-series\/","og_locale":"th_TH","og_type":"article","og_title":"ANNUNCIATOR SYSTEM (04 SERIES) - ESPTECHNOLOGIES","og_description":"SD-BD-04-02\/Rev.10\/09-01-69 ANNUNCIATOR SYSTEM (04 SERIES) Annunciator System (04 Series) Description\u00a0\u00a0\u00a0 \u00a0ESPAN-04 series is designed to use as an alarm for general switchgear cubicleor local control panel of GIS, local control cabinet of power transformer and all of control panel, which needs alarm function. It indicates fault status by using special high brightness LED. 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