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Siemens 3RE4121-5CA31-4AF6 — Motor Starters

Siemens 3RE4121-5CA31-4AF6 Motor Starter

MPN3RE4121-5CA31-4AF6

Non-reversing motor starter, Frame size 00, Three phase full voltage, UL horsepower rating Hp@VAC, 1.5@208, 2@230, 3@460, 5@575, Bimetal overload relay, Fixed Trip Class 10, OLR amp range 11 - 16, 110/120 V AC 50/60Hz coil, Non-combination type, Enclosure type 3/3R/4/12, Water/dust tight for outdoors, Standard width enclosure, Standards: UL 60947-4-1, Certifications: cULus, Including modifications: 22 mm Hand-Off-Auto Sel. Sw.

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

Specifications

3RE4121-5CA31-4AF6 — Identification
ParameterValue
Product designationNon-reversing motor starter
Main circuit poles3
BrandSiemens
3RE4121-5CA31-4AF6 — Ratings & Performance
ParameterValue
Rated motor power at 460/480 V (hp)3 hp
Rated motor power at 575/600 V (hp)5 hp
3RE4121-5CA31-4AF6 — Protection & Tripping
ParameterValue
Short-circuit trip typeThermal magnetic circuit breaker
3RE4121-5CA31-4AF6 — Contacts & Control
ParameterValue
Control supply voltage typeAC
Auxiliary contacts, NO1
Auxiliary contacts, NC0
3RE4121-5CA31-4AF6 — Mechanical & Connection
ParameterValue
Mounting / fastening methodSurface mounting and installation
Mounting positionvertical
MPN
3RE4121-5CA31-4AF6