• Siemens SIRIUS 3RH2 Coupling Contactor Relays S00, 24 V DC for PLC
1 1

Siemens SIRIUS 3RH2 Coupling Contactor Relays S00, 24 V DC for PLC

Siemens SIRIUS 3RH2 Coupling Contactor Relays S00, 24 V DC for PLC

SIRIUS 3RH2 coupling contactor relays with adapted low power consumption for direct control by solid-state PLC outputs.

Key features

  • Rated control supply voltage 24 V DC, suitable for solid-state PLC outputs
  • Operating range 0.7 to 1.25 x Uc (2.8 W) or 0.85 to 1.85 x Uc (1.6 W)
  • Versions without coil circuit, with integrated diode or suppressor diode
  • 4-pole contact versions 40E, 31E, 22E; cannot be expanded with auxiliary switches
  • Screw terminals or spring-loaded terminals, size S00

Specifications

Brand line SIRIUS
Series 3RH2
Size S00
Coil 24 V DC
Ie AC-15/230 V 10 A
Aux. switch expansion Not possible
Mounting Screw / snap-on TH 35 DIN rail
Source Siemens Catalog IC 10 · 2026, p. 394-395
3RH2140-1HB40 Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2131-1HB40 Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2122-1HB40 Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2140-1MB40-0KT0 Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2131-1MB40-0KT0 Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2122-1MB40-0KT0 Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2140-1JB40 Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2131-1JB40 Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2122-1JB40 Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2140-1VB40 Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2131-1VB40 Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2122-1VB40 Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2140-1KB40 Version: Integrated suppressor diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2131-1KB40 Version: Integrated suppressor diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2122-1KB40 Version: Integrated suppressor diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2140-1SB40 Version: Integrated suppressor diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2131-1SB40 Version: Integrated suppressor diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2122-1SB40 Version: Integrated suppressor diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2140-2HB40 Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2131-2HB40 Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2122-2HB40 Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2140-2MB40-0KT0 Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2131-2MB40-0KT0 Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2122-2MB40-0KT0 Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2140-2JB40 Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2131-2JB40 Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2122-2JB40 Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2140-2VB40 Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2131-2VB40 Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2122-2VB40 Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2140-2SB40 Version: Integrated suppressor diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2131-2SB40 Version: Integrated suppressor diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2122-2SB40 Version: Integrated suppressor diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
Contactor RelaysSiemens
33 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
RFQ List 0 Email about this

Need a different model, or a part not listed here? Send us your parts list →

Siemens SIRIUS 3RH2 Coupling Contactor Relays S00, 24 V DC for PLC

Brand Siemens·Contactor Relays

Available part numbers (33)

3RH2140-1HB40, 3RH2131-1HB40, 3RH2122-1HB40, 3RH2140-1MB40-0KT0, 3RH2131-1MB40-0KT0, 3RH2122-1MB40-0KT0, 3RH2140-1JB40, 3RH2131-1JB40, 3RH2122-1JB40, 3RH2140-1VB40 + 23 more — see full table ↓

How to order

Send the Siemens part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

RFQ List 0 →
View full details
Product codes & specifications
0 selected
RFQ List (0)
Product codeSpec
3RH2140-1HB40Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2131-1HB40Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2122-1HB40Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2140-1MB40-0KT0Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2131-1MB40-0KT0Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2122-1MB40-0KT0Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2140-1JB40Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2131-1JB40Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2122-1JB40Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2140-1VB40Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2131-1VB40Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2122-1VB40Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2140-1KB40Version: Integrated suppressor diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2131-1KB40Version: Integrated suppressor diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2122-1KB40Version: Integrated suppressor diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Screw
3RH2140-1SB40Version: Integrated suppressor diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2131-1SB40Version: Integrated suppressor diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2122-1SB40Version: Integrated suppressor diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Screw
3RH2140-2HB40Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2131-2HB40Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2122-2HB40Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2140-2MB40-0KT0Version: Without coil circuit | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2131-2MB40-0KT0Version: Without coil circuit | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2122-2MB40-0KT0Version: Without coil circuit | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2140-2JB40Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2131-2JB40Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2122-2JB40Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.7-1.25 x Uc, 2.8 W | Connection: Spring-loaded
3RH2140-2VB40Version: Integrated diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2131-2VB40Version: Integrated diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2122-2VB40Version: Integrated diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2140-2SB40Version: Integrated suppressor diode | Contacts: 4 NO | Ident. No.: 40E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2131-2SB40Version: Integrated suppressor diode | Contacts: 3 NO + 1 NC | Ident. No.: 31E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded
3RH2122-2SB40Version: Integrated suppressor diode | Contacts: 2 NO + 2 NC | Ident. No.: 22E | Operating range/coil: 0.85-1.85 x Uc, 1.6 W | Connection: Spring-loaded

Need a different model, or a part not listed here? Send us your parts list →

Related products

All Relays & Switches →