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Siemens 3RT7045-1AM00 — Contactors

Siemens 3RT7045-1AM00 Contactor, S3, 3-pole, AC coil, 690 V

MPN3RT7045-1AM00

Siemens SIRIUS 3RT7045-1AM00, Size S3 contactor, 3-pole main contacts, AC coil, 690 V AC-3 max., IP20 front / IP00 terminals, screw and snap-on mounting for 35 mm and 75 mm rail.

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

Specifications

3RT7045-1AM00 — Identification
ParameterValue
Contactor frame sizeS3
3RT7045-1AM00 — Ratings & Performance
ParameterValue
Rated value @ 400 V3 A
Rated value @ 690 V1 A
Rated value @ 230 V6 A
3RT7045-1AM00 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.27
Rated value @ 50 Hz220 V
3RT7045-1AM00 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliabilityacceptability for PLC control (17 V, 5 mA)
3RT7045-1AM00 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegL/gG NH 3NA: 200 A
Aux. switch short-circuit protection, fusefuse gL/gG: 10 A
3RT7045-1AM00 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm and 75 mm standard mounting rail
Side-by-side mountingYes
3RT7045-1AM00 — Environmental
ParameterValue
Operating temperature range-10 ... +55 °C
Storage temperature range-25 ... +70 °C
Installation altitude, max.2 000 m
3RT7045-1AM00 — Mechanical
ParameterValue
Width70 mm
Height148 mm
Depth139 mm

Product details

The 3-pole configuration matches standard three-phase motor circuits.

Environmental and protection

IP20 on the front face keeps fingers out; IP00 at the terminals means the connection points are unprotected — the panel enclosure provides the final ingress barrier. Operating temperature range is -10 to +55 °C, storage -25 to +70 °C. Installation altitude max 2 000 m.

Auxiliary and control circuit

The magnet coil closing power is 0.61 W DC, holding at 0.26 W DC.

Frequently asked questions

What are the key ratings of the 3RT7045-1AM00?

It is a 3-pole contactor rated for AC-3 motor switching up to 690 V, with an AC coil drawing 0.27 A at 50 Hz / 0.31 A at 60 Hz. The front face is IP20; terminals are IP00. It mounts on 35 mm or 75 mm DIN rail.

Where can I buy the 3RT7045-1AM00?

This part is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

What is the depth of the 3RT7045-1AM00?

The depth is 139 mm.

What is the width of the 3RT7045-1AM00?

The width is 70 mm.

MPN
3RT7045-1AM00