... 1) splited plug-in controller,convenient for operation; 2)with generator starting signal; 3)CE/CCC/ISO certificates 3Phase Automatic or ... ,rated frequency50/60Hz and 250VDC.the applied places like fire control, postal communication, hospital, hotel, urban rail transport, high-rise ... controller is 220VAC of main and backup power, no extra control power.Parameters: rated current(A)32working current(A)3. ...