The Siemens 3RH2122-1BJ80 is a SIRIUS auxiliary contactor, size S00, with 2 instantaneous normally open contacts and a 24 VDC coil drawing 4 W closing and 4 W holding power. Rated operational current varies by voltage: 10 A at 24 V AC, 10 A at 230 V, 3 A at 400 V, 1 A at 690 V, and 0.5 A at 440 V, among others, covering control circuits across common line voltages.
Operating temperature range -25 to +60 °C; storage -55 to +80 °C; relative humidity minimum 10 %; degree of pollution 3. Substance prohibitance date 10/01/2009 indicates RoHS compliance alignment.