{"id":11170,"date":"2021-08-11T01:29:22","date_gmt":"2021-08-11T01:29:22","guid":{"rendered":"http:\/\/www.esptechno.com\/main\/?page_id=11170"},"modified":"2026-05-08T07:23:44","modified_gmt":"2026-05-08T07:23:44","slug":"annunciator-system-03-series","status":"publish","type":"page","link":"https:\/\/www.esptechno.com\/main\/annunciator-system-03-series\/","title":{"rendered":"ANNUNCIATOR SYSTEM (03 SERIES)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"11170\" class=\"elementor elementor-11170\" 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-58303fa elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no elementor-invisible\" data-id=\"58303fa\" 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-76b195c\" data-id=\"76b195c\" 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-c9f5f5c elementor-widget elementor-widget-image\" data-id=\"c9f5f5c\" 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-114d595 elementor-widget elementor-widget-heading\" data-id=\"114d595\" 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\">\nSD-BD-04-02\/Rev.11\/30-04-69<\/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-22c05138 elementor-hidden-desktop elementor-hidden-tablet elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no elementor-invisible\" data-id=\"22c05138\" 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-678faaf3\" data-id=\"678faaf3\" 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-64d6b3e1 elementor-widget elementor-widget-heading\" data-id=\"64d6b3e1\" 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 (03 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-77b87b0 elementor-hidden-phone elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"77b87b0\" 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-9d70940\" data-id=\"9d70940\" 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-a3e3635 elementor-widget elementor-widget-heading\" data-id=\"a3e3635\" 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 (03 Series)<\/h5>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f803958 elementor-widget elementor-widget-easymeals_core_separator\" data-id=\"f803958\" 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-5b42ad8a elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"5b42ad8a\" 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-50c6b5f2\" data-id=\"50c6b5f2\" 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-66d6aeb9 elementor-widget elementor-widget-image\" data-id=\"66d6aeb9\" 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\t<a href=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/01\/espan-03-02.png\">\n\t\t\t\t\t\t\t<img width=\"1024\" height=\"580\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-1024x580.png\" class=\"attachment-large size-large\" alt=\"\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-1024x580.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-300x170.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-768x435.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-1536x870.png 1536w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-2048x1160.png 2048w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-16x9.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-130x74.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-150x85.png 150w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2021\/08\/MicrosoftTeams-image-34-48x27.png 48w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\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-11806a52 elementor-hidden-phone elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"11806a52\" data-element_type=\"section\">\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-397fe9fe\" data-id=\"397fe9fe\" 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-41b8461 elementor-widget elementor-widget-text-editor\" data-id=\"41b8461\" 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=\"color: #00537b; font-family: Arial, Helvetica, sans-serif; font-size: 24pt;\"><strong><span style=\"font-family: roboto; font-size: 24pt;\">Description\u00a0 \u00a0<\/span><br \/><\/strong><\/span>\u00a0 <span style=\"font-family: roboto; font-size: 14pt;\">\u00a0 \u00a0ESPAN03 series isdesigned to use as an alarm for general switchgear cubicle or local control panel of GIS, local control cabinet of power transformer and all of control panel, which need alarm<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">function. It indicates fault status by using special high brightness LED. The ESPAN &#8211; 03 series can be selected by the number of alarm input 8 alarm or 16 alarm which specified when order<\/span><\/h3><h3><span style=\"font-family: roboto; font-size: 24pt; color: #00537b;\"><strong>Features<br \/><\/strong><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 DIN format 96 x 96 mm<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Large space savings on the front panel of the cabinet.<br \/><\/span><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.<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 All inputs are isolated with opto &#8211; couple NO or NC volt-free contact can be selected by software.<br \/><\/span><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.<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Alarm type (Bell\/Buzzer) of each input can be selected by software.<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 High brightness LED display (5 mm)<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Integrated two test functions (Lamp Test \/ Function Test) in only one push button (\u201cTEST\u201d)<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Auto acknowledge function time can be set from 1 &#8211; 240 seconds.<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Direct power supply 24, 48, 110, 125, 220Vdc. (specify when order also same as Fault input voltage)<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Built-in heart beat function by LED lamp to display healthy status as self-supervision function.<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Supervisory contact (watchdog) for remote alarm or warning status.<br \/><\/span><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Communication port: RS232<\/span><\/h3><h3>\u00a0 <strong>\u00a0 <span style=\"text-decoration: underline;\">Option<br \/><\/span><\/strong><span style=\"font-family: roboto; font-size: 14pt;\">\u2666\u00a0 \u00a0 \u00a0 Serial Interface (RS232 or RS485 &#8211; Modbus RTU).<\/span><\/h3>\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-10d69d2 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"10d69d2\" 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-22501470\" data-id=\"22501470\" 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-48fb1828 elementor-widget elementor-widget-heading\" data-id=\"48fb1828\" 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-7976620a elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"7976620a\" 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-4ac9c20a\" data-id=\"4ac9c20a\" 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-40099783 elementor-widget elementor-widget-image\" data-id=\"40099783\" 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=\"299\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-1024x299.png\" class=\"attachment-large size-large\" alt=\"ESPAN03_Spec\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-1024x299.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-300x88.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-768x225.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-1536x449.png 1536w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-16x5.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-130x38.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-200x58.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec-48x14.png 48w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Spec.png 1874w\" 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-355299a4 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"355299a4\" 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-28713a02\" data-id=\"28713a02\" 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-58af15a4 elementor-widget elementor-widget-text-editor\" data-id=\"58af15a4\" 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=\"font-family: roboto; font-size: 14pt;\"><strong><span style=\"color: #000000;\">Operating Principle<\/span><\/strong><\/span><\/p><p><span style=\"font-family: roboto;\">\u00a0 \u00a0<span style=\"font-size: 14pt;\"> When an alarm signal is occurred, it will initiate Bell\/Buzzer to operate. In the meantime, 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 included 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 lamp 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 alarm. This \u201cTEST\u201d push button is provided for the purpose of checking all LED and operating function 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, which described as below:<\/span><\/span><\/p><p><span style=\"font-size: 14pt; font-family: roboto;\"><strong><span style=\"color: #000000;\">SEQUENCE1: MANUAL RESET<\/span><\/strong><\/span><\/p><p><span style=\"font-family: roboto;\">\u00a0 <span style=\"font-size: 14pt;\">\u00a0 When 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 \u201cRESET\u201d push button when alarm input returns to normal status.<\/span><\/span><\/p><p><span style=\"color: #000000; font-family: roboto; font-size: 14pt;\"><strong>SEQUENCE2: AUTO RESET<\/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 when alarm input returns to normal status.<\/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-3c30add8 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"3c30add8\" 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-47414515\" data-id=\"47414515\" 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-37043a2f elementor-widget elementor-widget-heading\" data-id=\"37043a2f\" 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-428811db elementor-widget elementor-widget-image\" data-id=\"428811db\" 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=\"1942\" height=\"842\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram.png\" class=\"attachment-full size-full\" alt=\"ESPAN03_Connection diagram\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram.png 1942w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-300x130.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-1024x444.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-768x333.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-1536x666.png 1536w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-16x7.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-130x56.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-200x87.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Connection-diagram-48x21.png 48w\" sizes=\"(max-width: 1942px) 100vw, 1942px\" \/>\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-cb24241 elementor-widget elementor-widget-text-editor\" data-id=\"cb24241\" 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<h6><span style=\"font-family: roboto; color: #ff0000;\">Note : ln case of use dry contact (bell, buzzer, supervisory) to control auxiliary relay, the auxiliary relay with built in diode should be used.<\/span><\/h6>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-53815b89 elementor-widget elementor-widget-spacer\" data-id=\"53815b89\" 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-4355f46e elementor-widget elementor-widget-heading\" data-id=\"4355f46e\" 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-dcb44d3 elementor-widget elementor-widget-image\" data-id=\"dcb44d3\" 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=\"439\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-1024x439.png\" class=\"attachment-large size-large\" alt=\"ESPAN03_Cut-out\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-1024x439.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-300x129.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-768x329.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-1536x659.png 1536w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-16x7.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-130x56.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-200x86.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out-48x21.png 48w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_Cut-out.png 1926w\" 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-7d9f2c9d elementor-widget elementor-widget-spacer\" data-id=\"7d9f2c9d\" 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-78533ee9 elementor-widget elementor-widget-heading\" data-id=\"78533ee9\" 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-57f13425 elementor-widget elementor-widget-image\" data-id=\"57f13425\" 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=\"261\" src=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-1024x261.png\" class=\"attachment-large size-large\" alt=\"ESPAN03_code\" loading=\"lazy\" srcset=\"https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-1024x261.png 1024w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-300x76.png 300w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-768x195.png 768w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-1536x391.png 1536w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-16x4.png 16w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-130x33.png 130w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-200x51.png 200w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code-48x12.png 48w, https:\/\/www.esptechno.com\/main\/wp-content\/uploads\/2025\/07\/ESPAN03_code.png 1988w\" 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-d788e65 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"d788e65\" 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-6635c58\" data-id=\"6635c58\" 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-6816c3b elementor-widget elementor-widget-spacer\" data-id=\"6816c3b\" 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-b166737 elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"b166737\" 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-8ba08ea\" data-id=\"8ba08ea\" 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-928bb75 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"928bb75\" 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\/1wh5ocrItqpCtLxj82kjnH4LgwdmUwDyd\/view?usp=drive_link\" 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-d55a179\" data-id=\"d55a179\" 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-8230b18 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"8230b18\" 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 class=\"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-609c54c elementor-section-boxed elementor-section-height-default elementor-section-height-default qodef-elementor-content-no\" data-id=\"609c54c\" 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-806b87b\" data-id=\"806b87b\" 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-4876275 elementor-widget elementor-widget-spacer\" data-id=\"4876275\" 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>\n\t\t","protected":false},"excerpt":{"rendered":"<p>SD-BD-04-02\/Rev.11\/30-04-69 ANNUNCIATOR SYSTEM (03 SERIES) Annunciator System (03 Series) Description\u00a0 \u00a0\u00a0 \u00a0 \u00a0ESPAN03 series isdesigned to use as an alarm for general switchgear cubicle or local control panel of GIS, local control cabinet of power transformer and all of control panel, which need alarmfunction. It indicates fault status by using special high brightness LED. The [&hellip;]<\/p>\n","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 (03 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\/annunciator-system-03-series\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ANNUNCIATOR SYSTEM (03 SERIES) - ESPTECHNOLOGIES\" \/>\n<meta property=\"og:description\" content=\"SD-BD-04-02\/Rev.11\/30-04-69 ANNUNCIATOR SYSTEM (03 SERIES) Annunciator System (03 Series) Description\u00a0 \u00a0\u00a0 \u00a0 \u00a0ESPAN03 series isdesigned to use as an alarm for general switchgear cubicle or local control panel of GIS, local control cabinet of power transformer and all of control panel, which need alarmfunction. It indicates fault status by using special high brightness LED. 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It indicates fault status by using special high brightness LED. 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