Siemens Contactor Assembly Kit for use with 60 mm Busbar, S0 Load Feeder, S00 Circuit Breaker. Range: SIRIUS. Mounting Type: Snap On. Series: 3RA2120. Voltage Rating: 690 V ac. Current Rating: 15.5 A. Contact Configuration: SPDT. MPN: 3RA2120-4AD26-0BB4