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3RT1075-6AB36 - Siemens

MPN3RT1075-6AB36

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power contactor, AC-3e/AC-3 400 A, 200 kW / 400 V AC (50-60 Hz) / DC Uc: 23-26 V 3-pole, auxiliary contacts 2 NO + 2 NC drive: conventional main circuit: busbar control and auxiliary circuit: screw terminal

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Siemens 3RT1075-6AB36 datasheet (PDF)

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

Specifications

3RT1075-6AB36 — Identification
Parameter	Value
Contactor frame size	S12

3RT1075-6AB36 — Ratings & Performance
Parameter	Value
Rated operational current, AC-12, max.	10 A
Rated operational current, AC-4 @ 400 V	350 A
Rated value @ 400 V	3 A
Rated value @ 500 V	2 A
Rated value @ 690 V	1 A
Rated value @ 230 V	6 A
Rated value @ 24 V	10 A
Rated value @ 60 V	2 A
Rated value @ 110 V	1 A
Rated value @ 220 V	0.3 A

3RT1075-6AB36 — Control & Coil
Parameter	Value
Control supply voltage type	AC/DC
Rated value @ 50 Hz	0.9
Rated value @ 50 Hz	23 ... 26 V

3RT1075-6AB36 — Contacts & Poles
Parameter	Value
Main poles	3
Main NO contacts	3
Auxiliary contact reliability	1 faulty switching per 100 million (17 V, 1 mA)

3RT1075-6AB36 — Protection & Coordination
Parameter	Value
Short-circuit coordination type 1, fuse	gG: 630 A (690 V, 100 kA)
Short-circuit coordination type 2, fuse	gG: 500 A (690 V, 100 kA), aM: 400 A (690 V, 50 kA), BS88: 450 A (415 V, 50 kA)
Aux. switch short-circuit protection, fuse	gG: 10 A (500 V, 1 kA)

3RT1075-6AB36 — Connection & Mounting
Parameter	Value
Main circuit connection	Connection bar
Aux. / control circuit connection	screw-type terminals
Conductor cross-section, solid	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), max. 2x (0.75 ... 4 mm²)
Conductor cross-section, solid or stranded	2x (0,5 ... 1,5 mm²), 2x (0,75 ... 2,5 mm²), max. 2x (0,75 ... 4 mm²)
Conductor cross-section, finely stranded w/ ferrule	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting method	screw fixing
Side-by-side mounting	Yes