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Siemens 3RH2122-2AH00 — Contactors

Siemens 3RH2122-2AH00 SIRIUS Auxiliary Contactor, S00

MPN3RH2122-2AH00
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Siemens SIRIUS 3RH2122-2AH00 auxiliary contactor, size S00, 48 V AC 50/60 Hz coil, 2 NO instantaneous contacts, 45 x 70 x 73 mm, screw and snap-on mounting.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RH2122-2AH00 — Identification
ParameterValue
Contactor frame sizeS00
3RH2122-2AH00 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V10 A
Rated value @ 24 V10 A
Rated value @ 60 V4.7 A
Rated value @ 110 V3 A
Rated value @ 220 V1.2 A
3RH2122-2AH00 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.8 ... 1.1
Rated value @ 50 Hz48 V
3RH2122-2AH00 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH2122-2AH00 — Connection & Mounting
ParameterValue
Conductor cross-section, solid or stranded2x (0,5 ... 4 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm standard mounting rail
3RH2122-2AH00 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RH2122-2AH00 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RH2122-2AH00 — Mechanical
ParameterValue
Width45 mm
Height70 mm
Depth73 mm
3RH2122-2AH00 — Specifications
ParameterValue
At AC4 ... 15 ms

Product details

The 3RH2122-2AH00: Substance prohibition date is 10/01/2009, indicating RoHS compliance per the EU directive.

MPN
3RH2122-2AH00