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Siemens 3RE4122-8CA31-4FY0 — Motor Starters

Siemens 3RE4122-8CA31-4FY0 Motor Starter

MPN3RE4122-8CA31-4FY0

Non-reversing motor starter, Frame size 0, Three phase full voltage, UL horsepower rating Hp@VAC, 10@208, 10@230, 25@460, 25@575, Bimetal overload relay, Fixed Trip Class 10, OLR amp range 34 - 40, 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

StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
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Specifications

Identification

3RE4122-8CA31-4FY0 — Identification
ParameterValue
Product designationNon-reversing motor starter
Main circuit poles3
BrandSiemens

Ratings & Performance

3RE4122-8CA31-4FY0 — Ratings & Performance
ParameterValue
Rated motor power at 460/480 V (hp)25 hp
Rated motor power at 575/600 V (hp)25 hp

Protection & Tripping

3RE4122-8CA31-4FY0 — Protection & Tripping
ParameterValue
Short-circuit trip typeThermal magnetic circuit breaker

Contacts & Control

3RE4122-8CA31-4FY0 — Contacts & Control
ParameterValue
Control supply voltage typeAC
Auxiliary contacts, NO1
Auxiliary contacts, NC1

Mechanical & Connection

3RE4122-8CA31-4FY0 — Mechanical & Connection
ParameterValue
Mounting / fastening methodSurface mounting and installation
Mounting positionvertical
MPN
3RE4122-8CA31-4FY0