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Siemens 3RE4122-6CA35-4SH3 — Solid State Relays

Siemens 3RE4122-6CA35-4SH3 Motor Starter

MPN3RE4122-6CA35-4SH3

Non-reversing motor starter, Frame size 0, Three phase full voltage, UL horsepower rating Hp@VAC, 7.5@208/230, 15@460, 20@575, Solid-state overload relay, Selectable Trip Cl 5-10-20-30, OLR amp range 3 - 12, 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., Control power transformer

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

Identification

3RE4122-6CA35-4SH3 — Identification
ParameterValue
Product designationNon-reversing motor starter

Electrical

3RE4122-6CA35-4SH3 — Electrical
ParameterValue
Rated voltage, AC 60 Hz120 V
Rated voltage, AC 50 Hz110 V
Rated value at 200/208 V (hp)7.5 hp
Rated value at 220/230 V (hp)7.5 hp
Rated value at 460/480 V (hp)15 hp
Rated value at 575/600 V (hp)20 hp
Design Of The Short-Circuit TripThermal magnetic circuit breaker

Contacts & Poles

3RE4122-6CA35-4SH3 — 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

3RE4122-6CA35-4SH3 — 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

3RE4122-6CA35-4SH3 — Timing
ParameterValue
ON-delay time8 ... 40 ms
OFF-delay time4 ... 16 ms

Approvals & Protection

3RE4122-6CA35-4SH3 — Approvals & Protection
ParameterValue
Overload protectionYes
Reset functionManual, automatic and remote
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

3RE4122-6CA35-4SH3 — Environmental
ParameterValue
Enclosure NEMA ratingNEMA 3/3R/4/12 enclosure
Housing design / suitabilityDust- & watertight for outdoor use
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

3RE4122-6CA35-4SH3 — Connection & Mechanical
ParameterValue
Dimensions (H × W × D)12 × 10 × 6 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

Specifications

3RE4122-6CA35-4SH3 — Specifications
ParameterValue
Trip ClassCLASS 5 / 10 / 20 / 30
MPN
3RE4122-6CA35-4SH3