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Siemens 3RT1056-6PF35 — Contactors

Siemens 3RT1056-6PF35 SIRIUS Power Contactor, Size S6, 96-12

MPN3RT1056-6PF35
Active

Siemens SIRIUS 3RT1056-6PF35 power contactor, Size S6, 96-127 V AC coil, screw-type terminals, 170 mm depth, 140 mm width, 172 mm height.

$99.00Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

3RT1056-6PF35 — Identification
ParameterValue
Contactor frame sizeS6
3RT1056-6PF35 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated operational current, AC-4 @ 400 V160 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V30 hp
Rated value @ 24 V10 A
Rated value @ 60 V2 A
Rated value @ 110 V1 A
Rated value @ 220 V0.3 A
3RT1056-6PF35 — Control & Coil
ParameterValue
Control supply voltage typeAC/DC
Rated value @ 50 Hz0.6
Rated value @ 50 Hz96 ... 127 V
3RT1056-6PF35 — Contacts & Poles
ParameterValue
Main poles3
Main NO contacts3
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RT1056-6PF35 — Protection & Coordination
ParameterValue
Short-circuit coordination type 1, fusegG: 355 A (690 V, 100 kA)
Short-circuit coordination type 2, fusegG: 315 A (690 V, 100 kA), aM: 200 A (690 V, 50 kA), BS88: 315 A (415 V, 50 kA)
Aux. switch short-circuit protection, fusegG: 10 A (500 V, 1 kA)
3RT1056-6PF35 — 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
3RT1056-6PF35 — Durability
ParameterValue
Durability (operating cycles, typ.)10 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RT1056-6PF35 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RT1056-6PF35 — Mechanical
ParameterValue
Width140 mm
Height172 mm
Depth170 mm
3RT1056-6PF35 — Specifications
ParameterValue
At AC80 ... 90 ms

Product details

It carries an auxiliary switch and is rated for motor switching at up to 750 operations per hour under AC-3 duty and 800 ops/h under AC-1 resistive loads. Rated for a mechanical life of 10,000,000 cycles typical, with an operating temperature range of -25 to +60 °C.

Sizing and wiring

Dimensions: 172 mm high, 140 mm wide, 170 mm deep. The main power circuit accepts stranded wire from 25 to 120 mm². The coil and auxiliary terminals accept solid or stranded wire: 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or max 2x (0.75 to 4 mm²). Mounting hole diameter is 9 mm, single hole.

Switching performance

Arcing time is 10-15 ms. Operating times at both AC and DC are 80-90 ms. Rated operational current at 24 V is 10 A; at 48 V and 60 V it drops to 2 A; at 110 V it is 1 A. Maximum switching frequency: 800 ops/h under AC-1, 300 ops/h under AC-2, 750 ops/h under AC-3, 130 ops/h under AC-4, and 750 ops/h under AC-3e.

Frequently asked questions

What is the depth of 3RT1056-6PF35?

The depth is 170 mm.

What wire sizes does the main circuit accept?

Stranded wire from 25 to 120 mm².

What is the coil voltage?

96-127 V AC.

MPN
3RT1056-6PF35