Automatic transfer switch QI-22

upright4-pole

Automatic load transfer switch, type QI-22 with motor-operated breakers Two four-pole motor-operated automatic circuit-breakers at 400V, mechanically and electrically interlocked. Internal connections of power and control. Automatic circuit breakers for protection of the control lines and singal line of the mains and genset voltage. Automatic and earth-leakage circuit breakers for protection of the power line, that feeds the auxiliary componenets (coolant heater and battery charger). It includes the CON-2012 load transfer control equipment. May optionally be replaced with CON-5012 switching control unit. In this case, the switch panel will be a QI-52.