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Siemens 3RT2326-1BB40-4AA0 SIRIUS Contactor, 24 VDC Coil

MPN3RT2326-1BB40-4AA0

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Siemens SIRIUS 3RT2326-1BB40-4AA0 contactor, size S0, 24 VDC coil with screw-type terminals, 4-pole auxiliary switch block, screw and snap-on mounting for 35 mm DIN rail.

$72.39Ref. price · indicative, final on quote

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Siemens 3RT2326-1BB40-4AA0 datasheet (PDF)

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

Specifications

3RT2326-1BB40-4AA0 — Identification
Parameter	Value
Contactor frame size	S0

3RT2326-1BB40-4AA0 — Ratings & Performance
Parameter	Value
Rated operational current, AC-12, max.	10 A
Rated operational current, AC-4 @ 400 V	7.5 kW
Rated value @ 400 V	3 A
Rated value @ 500 V	2 A
Rated value @ 690 V	1 A
Rated value @ 230 V	10 A
Rated value @ 24 V	10 A
Rated value @ 60 V	6 A
Rated value @ 110 V	1 A
Rated value @ 220 V	0.3 A

3RT2326-1BB40-4AA0 — Control & Coil
Parameter	Value
Control supply voltage type	DC

3RT2326-1BB40-4AA0 — Contacts & Poles
Parameter	Value
Main poles	4
Main NO contacts	4
Auxiliary contact reliability	1 faulty switching per 100 million (17 V, 1 mA)

3RT2326-1BB40-4AA0 — Protection & Coordination
Parameter	Value
Short-circuit coordination type 1, fuse	gG: 80 A (690 V, 100 kA)
Short-circuit coordination type 2, fuse	gG: 35 A (690 V, 100 kA)
Aux. switch short-circuit protection, fuse	gG: 10 A (690 V, 1 kA)

3RT2326-1BB40-4AA0 — 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)
Conductor cross-section, solid or stranded	2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 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 DIN rail according to DIN EN 60715
Side-by-side mounting	Yes

3RT2326-1BB40-4AA0 — Durability
Parameter	Value
Durability (operating cycles, typ.)	10 000 000
Durability with aux. switch block (cycles, typ.)	10 000 000

3RT2326-1BB40-4AA0 — Environmental
Parameter	Value
Operating temperature range	-25 ... +60 °C
Storage temperature range	-55 ... +80 °C
Installation altitude, max.	2 000 m

3RT2326-1BB40-4AA0 — Mechanical
Parameter	Value
Width	45 mm
Height	85 mm
Depth	107 mm

3RT2326-1BB40-4AA0 — Specifications
Parameter	Value
At AC	5 000 1/h

Product details

Siemens SIRIUS 3RT2326-1BB40-4AA0 contactor, size S0, 24 VDC coil with screw-type terminals, 4-pole auxiliary switch block, screw and snap-on mounting for 35 mm DIN rail.