Siemens 3RE4122-4AA31-1KB0
MPN3RE4122-4AA31-1KB0
Non-reversing motor starter, Frame size 0, Three phase full voltage, UL horsepower rating Hp@VAC, 3@208, 3@230, 7.5@460, 10@575, Bimetal overload relay, Fixed Trip Class 10, OLR amp range 9 - 12.5, 110/120 V AC 50/60Hz coil, Non-combination type, Enclosure NEMA type 1, Indoor general purpose use, Standard width enclosure, Standards: UL 60947-4-1, Certifications: cULus With modifications: 22 mm Start-Stop push buttons
StockContact for availability
Lead timeIn Stock wk
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
Identification
| Parameter | Value |
|---|---|
| Product designation | Non-reversing motor starter |
| Main circuit poles | 3 |
| Brand | Siemens |
Ratings & Performance
| Parameter | Value |
|---|---|
| Rated motor power at 460/480 V (hp) | 7.5 hp |
| Rated motor power at 575/600 V (hp) | 10 hp |
Protection & Tripping
| Parameter | Value |
|---|---|
| Short-circuit trip type | Thermal magnetic circuit breaker |
Contacts & Control
| Parameter | Value |
|---|---|
| Control supply voltage type | AC |
| Auxiliary contacts, NO | 1 |
| Auxiliary contacts, NC | 1 |
Mechanical & Connection
| Parameter | Value |
|---|---|
| Mounting / fastening method | Surface mounting and installation |
| Mounting position | vertical |
MPN
3RE4122-4AA31-1KB0