ASCO 80A 4P Three Phase Automatic Transfer Switch

1 in stock


Three Phase Automatic Transfer Switch 

The ASCO Series 230 automatic transfer switch consists of an intelligent controller and a modular load break switch which automatically transfers the load to the emergency power source when it detects the normal power source under/over voltage, under/over frequency, or phase loss. The switch has three operational positions (Source I, Center-off, Source II). The series 230 is available in 5 different frame sizes up to 800A and can operate in multiple control modes including automatic, remote and manual operation.

The Series 230 transfer switch is available in single and three phase configurations up to 80A, and for higher power applications in three phase configurations up to 800A, up to 415 volts and for both 50 and 60 Hz.

ASCO 80A 4P three phase automatic transfer switch features:

80A 4P automatic transfer switch (Three phase)
Compact design which enables installation into existing switchboards.
Din rail mounted for quick & easy installation.
4P Bridging bar
C300 controller
High speed transfer between alternate sources of power
Three operation positions. Two sources can be isolated in the centre-off position
Handle for manual operation
NO DC power supply required for controller
We can also supply weather proof enclosures to suit the ASCO A frame automatic transfer switch.
Enclosure Dimensions 400mmH x 350mmW x 200mmD
Cable gland plate Bottom entry
*Delivery Australia wide

The ASCO A frame Three phase automatic transfer switch includes an inbuilt 300 Controller with the following features:

Voltage and Frequency Sensing
Adjustable under and over voltage settings on Source I and Source II
Phase loss sensing on Source I and Source II
Adjustable under and over frequency settings on Source I and Source II

Time Delays
Time delay sensing accuracy is ±1%
Transfer time delay can be set manually

Controller Display and Keypad
LED display
DIP switches for settings
Cycle any DIP switch to clear alarm Switch position indicator lights
Source acceptability indicator lights

Remote Control and Communication
Remote position control signal input
Fire control signal input (24VDC)
Optional accessory 72D: RS485 interface, supporting MODBUS communication

Power Supply of Controller
Operation Voltage (VAC): 220/ 230/ 240

Suitable Applications

Banking, Financial and Insurance
Broadcast and Entertainment
Construction and Engineering
Data Center/Hosting
Power Generation

Additional information



Phase Type



Agriculture, Emergency Standby, Industrial, Mining & Construction, Rental & Hire, Residential Backup, Solar Backup

Data Sheet


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