The Automatic Changeover Units replace the regular old generation electromechanical command system which incorporates NO-VOLT relays, power relays, command relays, timers, selector switches and complete interconnection wiring.
The ACU, model AM630 monitors the incoming 3-phase 400V (4 wire) from two or three separate supplies, Typically Three supplies, two supplies with tie or two supplies with load shedding.
Automatic control of circuit breakers and contactors is one of Amdar`s specialization fields.
The automatic changeover of supplies of model AM630 is a unique system for three circuit breakers in a wide variety of applications.
The AM630 includes the following charactristics:
Graphic, color digital display shows the current application and status, including supplies information and circuit breakers status.
Wide variety of settings and information displays.
Wide variety of applications, controls, delays and operation criteras for operation and faults.
Microcontroller based operation with multiple application compatibility.
Monitors 3-phase 400V (4 wire) of each supply. (also programmable for single phase)
Detachable connectors for easy installation, servicing and eventual replacement.
4 modes of operation: Automatic, OFF, manual, test.