S00 auxiliary contactor, 2 NO, 10 A switching capacity
The Siemens 3RH2122-1AF00-1AA0 is a SIRIUS auxiliary contactor in frame size S00, designed for switching control circuits and signal loads in industrial panels. It carries 2 instantaneous normally-open contacts and is rated for a mechanical life of 30,000,000 operating cycles — the kind of endurance that keeps a kit closed for years on a high-cycle line. Rated operational current is 10 A at 230 V 50/60 Hz, with the same 10 A rating at 24 V.
Operating range and environmental limits
Relative humidity minimum is 10 % — the contactor is specified for dry indoor environments as well as humid control cabinets without condensation issues.