BOM / RFQ

3RT1344-1AB00 - Siemens

MPN3RT1344-1AB00

Contactor, AC-1, 110 A, 24 V AC, 50 Hz, 4-pole, Size S3, Screw terminal!!! Phased-out product!!! Successor is SIRIUS 3RT2 Preferred successor type is >>3RT2337-1AB00<<

Add to RFQ

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

Specifications

3RT1344-1AB00 — Identification
Parameter	Value
Contactor frame size	S3

3RT1344-1AB00 — Ratings & Performance
Parameter	Value
Rated operational current, AC-12, max.	10 A
Rated value @ 400 V	3 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

3RT1344-1AB00 — Control & Coil
Parameter	Value
Control supply voltage type	AC
Rated value @ 50 Hz	0.8 ... 1.1
Rated value @ 50 Hz	24 V

3RT1344-1AB00 — Contacts & Poles
Parameter	Value
Main poles	4
Main NO contacts	4
Auxiliary contact reliability	1 faulty switching per 100 million (17 V, 1 mA)

3RT1344-1AB00 — Protection & Coordination
Parameter	Value
Short-circuit coordination type 1, fuse	fuse gL/gG: 250 A
Short-circuit coordination type 2, fuse	fuse gL/gG: 125 A
Aux. switch short-circuit protection, fuse	fuse gL/gG: 10 A

3RT1344-1AB00 — Connection & Mounting
Parameter	Value
Main circuit connection	screw-type terminals
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 (2.5 ... 16 mm²)
Conductor cross-section, finely stranded w/ ferrule	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting method	screw and snap-on mounting onto 35 mm and 75 mm standard mounting rail
Side-by-side mounting	Yes