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Siemens 3RT1456-6SF36 — Contactors

Siemens SIRIUS 3RT1456-6SF36 Contactor, Size S6, 96-127 V AC

MPN3RT1456-6SF36
Active

Siemens SIRIUS contactor, Size S6, 3RT1456-6SF36, 96-127 V AC/DC coil, screw-type terminals, MTBF 75 a.

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

3RT1456-6SF36 — Identification
ParameterValue
Contactor frame sizeS6
3RT1456-6SF36 — 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
3RT1456-6SF36 — Control & Coil
ParameterValue
Control supply voltage typeAC/DC
Rated value @ 50 Hz0.5
Rated value @ 50 Hz96 ... 127 V
3RT1456-6SF36 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1456-6SF36 — 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)
3RT1456-6SF36 — 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
3RT1456-6SF36 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1456-6SF36 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT1456-6SF36 — Mechanical
ParameterValue
Width120 mm
Height172 mm
Depth170 mm
3RT1456-6SF36 — Specifications
ParameterValue
At AC115 ... 130 ms

Product details

The 96-127 V AC/DC coil suits standard control transformers or DC control buses. The MTBF is 75 a — a statistical reliability figure for continuous-duty applications. The auxiliary switch is included (yes), which simplifies wiring for status feedback or interlock circuits without adding a separate block. The screw-type terminals accept 2x (0.5-1.5 mm²), 2x (0.75-2.5 mm²), and up to 2x (0.75-4 mm²) solid or stranded conductors — standard for panel wiring with ferrules.

Mounts via screw fixing with a 9 mm hole. The vertical mounting surface can be rotated ±90° or tilted ±22.5° front-to-back, giving flexibility in tight enclosures. Size S6 frame (172 mm high, 120 mm wide, 170 mm deep) is a standard footprint for this current class, so it should drop into existing S6 cutouts without panel modifications.

Frequently asked questions

What is the MTBF of 3RT1456-6SF36?

The listed MTBF is 75 a (75 years). That's a statistical reliability figure, not a service-life guarantee, but it indicates the contactor is designed for long-term continuous duty.

What is the depth of 3RT1456-6SF36?

The depth is 170 mm. That's the dimension from the mounting surface to the front of the contactor, important for enclosure depth planning.

MPN
3RT1456-6SF36