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Siemens 3RT1456-6AR36 — Contactors

Siemens 3RT1456-6AR36 SIRIUS Contactor, Size S6, 440-480V AC

MPN3RT1456-6AR36
Active

Siemens SIRIUS 3RT1456-6AR36 contactor, Size S6, 172 x 120 x 170 mm, rated 440-480 V AC/DC coil, screw fixing.

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

Specifications

3RT1456-6AR36 — Identification
ParameterValue
Contactor frame sizeS6
3RT1456-6AR36 — 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
3RT1456-6AR36 — Control & Coil
ParameterValue
Control supply voltage typeAC/DC
Rated value @ 50 Hz0.8
Rated value @ 50 Hz440 ... 480 V
3RT1456-6AR36 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1456-6AR36 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 355 A (690 V, 100 kA)
Short-circuit coordination type 2, fusegR: 350 A (690 V, 100 kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT1456-6AR36 — Connection & Mounting
ParameterValue
Main circuit connectionConnection bar
Aux. / control circuit connectionscrew-type terminals
Conductor cross-section, solid2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)
Conductor cross-section, solid or stranded2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 mm²)
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodscrew fixing
Side-by-side mountingYes
3RT1456-6AR36 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1456-6AR36 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT1456-6AR36 — Mechanical
ParameterValue
Width120 mm
Height172 mm
Depth170 mm
3RT1456-6AR36 — Specifications
ParameterValue
At AC40 ... 60 ms

Product details

It measures 172 mm high by 120 mm wide by 170 mm deep, mounts via screw fixing with a single 9 mm hole, and accepts power-side stranded conductors from 25 to 120 mm².

Size S6 is the mechanical frame that determines the contactor's thermal and dynamic current capacity. For a panel-builder, this means the 3RT1456-6AR36 occupies a defined footprint and requires specific clearance: 10 mm upwards, 20 mm forwards, 10 mm downwards, and 10 mm at the side — plan your enclosure layout accordingly. The contactor carries a built-in auxiliary switch with four contacts. Each auxiliary contact is rated for specific voltages: 10 A at 24 V, 2 A at 48 V and 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, and 6 A at 230 V. These ratings define the maximum switching current for control-circuit loads like PLC inputs, relay coils, or indicator lamps at each voltage level.

Coil terminals are screw-type, accepting solid conductors: 2x 0.5 to 1.5 mm², 2x 0.75 to 2.5 mm², or max 2x 0.75 to 4 mm². Power-side terminals accept stranded conductors from 25 to 120 mm². This covers standard control wiring up to 4 mm² and motor power cables up to 120 mm².

Because it is an active, catalog-listed part, sourcing is straightforward: provide the exact order code and quantity, and the supply chain can confirm lead time and pricing against your delivery window. No broker or surplus channel is needed.

Frequently asked questions

What are the key dimensions of the 3RT1456-6AR36?

It measures 172 mm high, 120 mm wide, and 170 mm deep. Mounting requires a single 9 mm hole and screw fixing.

What wire sizes does the 3RT1456-6AR36 accept?

The coil terminals accept solid conductors from 0.5 to 4 mm². The main power terminals accept stranded conductors from 25 to 120 mm².

What is the coil voltage rating of the 3RT1456-6AR36?

The coil is rated for 440 to 480 V AC/DC. Pick-up voltage starts at 0.8 of rated and holds through 1.1 times rated.

Does the 3RT1456-6AR36 include auxiliary contacts?

Yes, it has a built-in auxiliary switch with four contacts. Ratings vary by voltage: 10 A at 24 V, 2 A at 48/60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, and 6 A at 230 V.

MPN
3RT1456-6AR36