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Siemens 3RH2140-2BB40-ZW97 SIRIUS Auxiliary Contactor

MPN3RH2140-2BB40-ZW97

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Siemens SIRIUS 3RH2140-2BB40-ZW97 auxiliary contactor, Size S00, 24 V DC coil, 4 NO contacts, screw and snap-on mounting on 35 mm DIN rail, 73 mm depth, 45 mm width.

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Siemens 3RH2140-2BB40-ZW97 datasheet (PDF)

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

Specifications

3RH2140-2BB40-ZW97 — Identification
Parameter	Value
Contactor frame size	S00

3RH2140-2BB40-ZW97 — Ratings & Performance
Parameter	Value
Rated operational current, AC-12, max.	10 A
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	4.7 A
Rated value @ 110 V	3 A
Rated value @ 220 V	1.2 A

3RH2140-2BB40-ZW97 — Control & Coil
Parameter	Value
Control supply voltage type	DC

3RH2140-2BB40-ZW97 — Contacts & Poles
Parameter	Value
Auxiliary contact reliability	1 faulty switching per 100 million (17 V, 1 mA)

3RH2140-2BB40-ZW97 — Connection & Mounting
Parameter	Value
Conductor cross-section, solid or stranded	2x (0,5 ... 4 mm²)
Conductor cross-section, finely stranded w/ ferrule	2x (0.5 ... 2.5 mm²)
Mounting method	screw and snap-on mounting onto 35 mm standard mounting rail

3RH2140-2BB40-ZW97 — Durability
Parameter	Value
Durability (operating cycles, typ.)	30 000 000
Durability with aux. switch block (cycles, typ.)	10 000 000

3RH2140-2BB40-ZW97 — Environmental
Parameter	Value
Operating temperature range	-25 ... +60 °C
Storage temperature range	-55 ... +80 °C
Installation altitude, max.	2 000 m

3RH2140-2BB40-ZW97 — Mechanical
Parameter	Value
Width	45 mm
Height	70 mm
Depth	73 mm

3RH2140-2BB40-ZW97 — Specifications
Parameter	Value
At AC	10 000 1/h

Product details

SIRIUS S00 auxiliary contactor — 4 NO, 24 VDC coil

The Siemens 3RH2140-2BB40-ZW97 is a SIRIUS auxiliary contactor in the S00 frame size, carrying 4 normally-open instantaneous contacts and a 24 V DC magnet coil that draws 4 W on both pick-up and hold.