Skip to main content
Siemens 3RE4122-7AA11-1EB0 — Solid State Relays

Siemens 3RE4122-7AA11-1EB0

MPN3RE4122-7AA11-1EB0

Non-reversing motor starter, Frame size 0, Three phase full voltage, UL horsepower rating Hp@VAC, 10@208, 10@230, 20@460, 25@575, Bimetal overload relay, Fixed Trip Class 10, OLR amp range 2.8 - 4, 24 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
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
How we verify every order →

Specifications

Identification

3RE4122-7AA11-1EB0 — Identification
ParameterValue
Product designationNon-reversing motor starter

Electrical

3RE4122-7AA11-1EB0 — Electrical
ParameterValue
Rated voltage, AC 60 Hz24 V
Rated voltage, AC 50 Hz24 V
Rated value at 200/208 V (hp)10 hp
Rated value at 220/230 V (hp)10 hp
Rated value at 460/480 V (hp)20 hp
Rated value at 575/600 V (hp)25 hp
Operating voltage for main current circuit at AC at 60 Hz maximum600 V
Design Of The Short-Circuit TripThermal magnetic circuit breaker

Contacts & Poles

3RE4122-7AA11-1EB0 — Contacts & Poles
ParameterValue
Main circuit poles3
Main NO contacts (count)3
Auxiliary NO contacts (count)1
Auxiliary NC contacts (count)1
Auxiliary contacts, max. total8
Overload relay auxiliary NC contacts (count)1

Coil

3RE4122-7AA11-1EB0 — Coil
ParameterValue
Control supply voltage typeAC
Coil operating range factor (× rated)0.8 ... 1.1
Coil pick-up power, AC (apparent)79 VA
Coil holding power, AC (apparent)8.5 VA

Timing

3RE4122-7AA11-1EB0 — Timing
ParameterValue
ON-delay time8 ... 40 ms
OFF-delay time4 ... 16 ms

Approvals & Protection

3RE4122-7AA11-1EB0 — Approvals & Protection
ParameterValue
Overload protectionYes
Reset functionManual, automatic and remote (with optional accessory)
External resetYes
Test functionYes
Auxiliary contact rating, contactor (UL)10A@600V(A600), 2.5A@600V(Q600)
Auxiliary contact rating, overload relay (UL)5A@600VAC (B600), 1A@250VDC (R300)
Required short-circuit protection fuseClass J
Touch protection against electrical shockNA for enclosed products

Environmental

3RE4122-7AA11-1EB0 — Environmental
ParameterValue
Enclosure NEMA ratingNEMA 1 standard size enclosure
Housing design / suitabilityindoors, usable on a general basis
Max. installation altitude6 560 ft
Max. permissible conductor temp, supply60 °C
Max. permissible conductor temp, load-side feeder60 °C
Max. permissible conductor temp, coil75 °C
Max. permissible conductor temp, auxiliary contacts (contactor)75 °C

Connection & Mechanical

3RE4122-7AA11-1EB0 — Connection & Mechanical
ParameterValue
Dimensions (H × W × D)11 × 7 × 5 in
Mounting positionvertical
Fastening / mounting methodSurface mounting and installation
Line-side terminal connection typeScrew-type terminals
Load-side terminal connection typeScrew-type terminals
Coil terminal connection typeScrew-type terminals
Supply terminal tightening torque18 ... 21 lbf·in
Conductor material, supplyCU
Conductor material, load-side feederCU
Conductor material, coilCU
Conductor material, auxiliary contacts (contactor)CU
Conductor material, auxiliary contacts (overload relay)CU
MPN
3RE4122-7AA11-1EB0