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Siemens 3RT2545-1AB00 — Contactors

Siemens SIRIUS 3RT2545-1AB00 Contactor, S3 Frame, 24 V 50 Hz

MPN3RT2545-1AB00
Active

Siemens SIRIUS S3 contactor, 24 V 50 Hz coil, screw-type terminals, auxiliary switch, 10 A at 24 V rated value, 152 mm depth, 70 mm width, 140 mm height, screw and snap-on mounting onto 35 mm DIN rail per DIN EN 60715.

Siemens 3RT2545-1AB00 datasheet (PDF)
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3RT2545-1AB00 — Identification
ParameterValue
Contactor frame sizeS3
3RT2545-1AB00 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V6 A
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT2545-1AB00 — Control & Coil
ParameterValue
Control supply voltage typeAC
Rated value @ 50 Hz0.38
Rated value @ 50 Hz24 V
3RT2545-1AB00 — Contacts & Poles
ParameterValue
Main poles4
Main NO contacts2
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT2545-1AB00 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 250 A (690 V, 100 kA)
Short-circuit coordination type 2, fusegR: 250 A (690 V, 100 kA)
Aux. switch short-circuit protection, fusefuse gG: 10 A
3RT2545-1AB00 — Connection & Mounting
ParameterValue
Main circuit connectionscrew-type terminals
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
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 DIN rail according to DIN EN 60715
Side-by-side mountingYes
3RT2545-1AB00 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT2545-1AB00 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT2545-1AB00 — Mechanical
ParameterValue
Width70 mm
Height140 mm
Depth152 mm
3RT2545-1AB00 — Specifications
ParameterValue
At AC11 ... 21 ms

Product details

SIRIUS S3 Contactor — 24 V 50 Hz Coil, Screw Terminals, Auxiliary Contacts

It mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, with mounting position flexibility: +/-180° rotation on a vertical surface, and +/-22.5° tilt forward/backward. At 24 V rated value, the auxiliary contacts handle 10 A; at 230 V rated value, 6 A; at 400 V rated value, 3 A. The contactor is rated for AC-1 maximum switching frequency of 900 1/h, with arcing time of 10–20 ms and operate time of 11–21 ms at AC.

Panel Integration — DIN Rail, Clearance, and Wiring

Side-by-side mounting is permitted. For solid/stranded wiring, the main terminals accept 2x (0.5–1.5 mm²) and 2x (0.75–2.5 mm²); the power circuit accepts 2x (6–16 mm²), 2x (10–50 mm²), or 1x (10–70 mm²) stranded.

Frequently asked questions

What is the auxiliary contact rating at 24 V for 3RT2545-1AB00?

At 24 V rated value, the auxiliary contacts are rated for 10 A.

Where can I buy 3RT2545-1AB00?

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

MPN
3RT2545-1AB00