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Siemens 3RH1921-1CD01 — Contactors

Siemens 3RH1921-1CD01

MPN3RH1921-1CD01
Active

front-side auxiliary switch, 1 NC contact, delayed, screw terminal, for contactors 3RT1

$21.85Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026

Specifications

3RH1921-1CD01 — Identification
ParameterValue
Contactor frame sizeS0
3RH1921-1CD01 — Ratings & Performance
ParameterValue
Rated value @ 24 V10 A
Rated value @ 60 V4.7 A
Rated value @ 110 V3 A
Rated value @ 220 V1.2 A
3RH1921-1CD01 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH1921-1CD01 — Connection & Mounting
ParameterValue
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodsnap-on mounting
3RH1921-1CD01 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
3RH1921-1CD01 — Mechanical
ParameterValue
Width10 mm
Height38 mm
Depth51 mm
MPN
3RH1921-1CD01