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Siemens 3RH2140-1BB40-0AA6 — Contactors

Siemens 3RH2140-1BB40-0AA6 SIRIUS Auxiliary Contactor, 4 NO

MPN3RH2140-1BB40-0AA6

Siemens SIRIUS auxiliary contactor, size S00, 4 NO instantaneous contacts, 24 VDC coil, screw and snap-on mounting on 35 mm DIN rail, 45 x 73 x 57.5 mm.

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

Specifications

3RH2140-1BB40-0AA6 — Identification
ParameterValue
Contactor frame sizeS00
3RH2140-1BB40-0AA6 — Ratings & Performance
ParameterValue
Rated operational current, AC-12, max.10 A
Rated value @ 400 V3 A
Rated value @ 500 V2 A
Rated value @ 690 V1 A
Rated value @ 230 V10 A
Rated value @ 24 V10 A
Rated value @ 60 V4.7 A
Rated value @ 110 V3 A
Rated value @ 220 V1.2 A
3RH2140-1BB40-0AA6 — Control & Coil
ParameterValue
Control supply voltage typeDC
3RH2140-1BB40-0AA6 — Contacts & Poles
ParameterValue
Auxiliary contact reliability1 faulty switching per 100 million (17 V, 1 mA)
3RH2140-1BB40-0AA6 — Connection & Mounting
ParameterValue
Conductor cross-section, solid or stranded2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²
Conductor cross-section, finely stranded w/ ferrule2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Mounting methodscrew and snap-on mounting onto 35 mm DIN rail
3RH2140-1BB40-0AA6 — Durability
ParameterValue
Durability (operating cycles, typ.)30 000 000
Durability with aux. switch block (cycles, typ.)10 000 000
3RH2140-1BB40-0AA6 — Environmental
ParameterValue
Operating temperature range-25 ... +60 °C
Storage temperature range-55 ... +80 °C
Installation altitude, max.2 000 m
3RH2140-1BB40-0AA6 — Mechanical
ParameterValue
Width45 mm
Height57.5 mm
Depth73 mm
3RH2140-1BB40-0AA6 — Specifications
ParameterValue
At AC10 000 1/h

Product details

The screw terminals accept 2x (0.5…1.5 mm²), 2x (0.75…2.5 mm²), or 2x 4 mm² solid or stranded conductors.

Switching ratings and contact performance

The four NO contacts are rated for switching at various voltages: 10 A at 24 V, 10 A at 230 V, 3 A at 400 V, 1 A at 690 V, and down to 0.26 A at 600 V. The coil draws 4 W during both closing and holding at DC.

Pollution degree 3, suitable for industrial environments. The part complies with substance prohibitions effective October 1, 2009. Relative humidity minimum 10%.

Frequently asked questions

What are the mounting requirements for 3RH2140-1BB40-0AA6?

Screw or snap-on mounting onto 35 mm DIN rail. Clearances: 10 mm upward, forward, and downward; 6 mm at the side. Mounting position allows ±180° rotation and ±22.5° tilt on a vertical surface.

Where can I buy 3RH2140-1BB40-0AA6?

This part is sourced to order; availability and pricing are confirmed at quote time.

MPN
3RH2140-1BB40-0AA6