Switching power supply

SD-BD-04-03/Rev.10/27-02-69

Switching power supply

AUTOMATIC TRANSFER SWITCH CONTROLLER

DESCRIPTION

The Automatic Transfer Switch Controller (ATSC) controls two power sources or one main source and one generator source. It monitors voltage, frequency, and phase conditions to ensure safe transfer operation.

Utility-to-Utility
Utility-to-Generator
Generator-to-Generator

FEATURES

Over/Under voltage monitoring
Over/Under voltage cutoff point set
Over/Under voltage recovery point set
Phase sequence checker 3P4W
Automatic transfer mode/Manual transfer mode
LED status of Automatic/Manual mode
Selectable main power source
LED status of selected power source
Able to add external indicator lamp
Able to add external switch for select Main power source between source1/source2
Able to add external switch for select between automatic transfer/manual transfer mode
Option : RS485

Generator exercise schedule set up

- Daily schedule, time&Duration
- Weekly schedule, Day&time&Duration
- Monthly schedule, Day&time&Duration
- Time duration of generator exercise can be select between 0-60 minutes

Built-in clock with adjustable date and time
Selectable function 1P2W or 3P4W
Precision setting value to setting the interlock time of sequence transfer switches from source 1 to source 2 to avoid power collision
Able to set up transfer time delay by set up these functions, Main failure timer, Delay on transfer timer, Main return timer, Cool down timer etc,