• Siemens SIRIUS 3RH29 Solid-State Compatible Auxiliary Switches
1 1

Siemens SIRIUS 3RH29 Solid-State Compatible Auxiliary Switches

Siemens SIRIUS 3RH29 Solid-State Compatible Auxiliary Switches

SIRIUS 3RH29 encapsulated, solid-state compatible auxiliary switches with hard gold-plated contacts for front or lateral mounting on 3RT2/3RT1 contactors and 3RH2 relays.

Key features

  • Rated operational currents Ie/DC-13 from 1 to 300 mA at 3 to 60 V
  • Hard gold-plated contacts for increased contact reliability
  • Front versions designed as mirror contacts per IEC 60947-4-1, Annex F (3RT2.2-3RT2.4)
  • Lateral versions for S00 to S3 and S6 to S12 (EN 50012)
  • Screw terminals or spring-loaded terminals

Specifications

Brand line SIRIUS
Manufacturer Siemens
Product category Accessories
Catalog chapter Contactors for switching motors
Catalog section 3RT/3RH2 accessories: Auxiliary switches, instantaneous
Source Siemens Catalog IC 10 · 2026, p. 219-221
3RH2911-2NE21 Contacts: 1 NO std + 1 NO/1 NC solid-st. | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-1NE22 Contacts: 1 NO/1 NC std + 1 NO/1 NC s.s. | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-1NF02 Contacts: 2 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-2NF02 Contacts: 2 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-1NF11 Contacts: 1 NO + 1 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-2NF11 Contacts: 1 NO + 1 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-1NF20 Contacts: 2 NO solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-2NF20 Contacts: 2 NO solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-2NF22 Contacts: 2 NO std + 2 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-2NL22 Contacts: 1 NO + 2 NC std + 1 NO s.s. | Version: Front (encapsulated) | For: 3RT2 S00-S3 | Connection: Spring-loaded
3RH2911-2NL40 Contacts: 3 NO std + 1 NO solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3 | Connection: Spring-loaded
3RH2911-2NM31 Contacts: 2 NO + 1 NC std + 1 NO s.s. | Version: Front (encapsulated) | For: 3RT2 S00-S3 | Connection: Spring-loaded
3RH2911-2DE11 Contacts: 1 NO + 1 NC solid-state | Version: Lateral, EN 50012 | For: 3RT2.1 (S00) | Connection: Spring-loaded
3RH2921-2DE11 Contacts: 1 NO + 1 NC solid-state | Version: Lateral, EN 50012 | For: 3RH21/3RH24; 3RT2 S0-S3 | Connection: Spring-loaded
3RH1921-2DE11 Contacts: 1 NO + 1 NC solid-state | Version: Lateral, 1st switch, EN 50012 | For: 3RT1.5-3RT1.7 S6-S12 | Connection: Spring-loaded
3RH1921-2JE11 Contacts: 1 NO + 1 NC solid-state | Version: Lateral, 2nd switch, EN 50012 | For: 3RT1.5-3RT1.7 S6-S12 | Connection: Spring-loaded
AccessoriesSiemens
16 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 3RH29 Solid-State Compatible Auxiliary Switches

Brand Siemens·Accessories

Available part numbers (16)

3RH2911-2NE21, 3RH2911-1NE22, 3RH2911-1NF02, 3RH2911-2NF02, 3RH2911-1NF11, 3RH2911-2NF11, 3RH2911-1NF20, 3RH2911-2NF20, 3RH2911-2NF22, 3RH2911-2NL22 + 6 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
3RH2911-2NE21Contacts: 1 NO std + 1 NO/1 NC solid-st. | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-1NE22Contacts: 1 NO/1 NC std + 1 NO/1 NC s.s. | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-1NF02Contacts: 2 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-2NF02Contacts: 2 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-1NF11Contacts: 1 NO + 1 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-2NF11Contacts: 1 NO + 1 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-1NF20Contacts: 2 NO solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Screw
3RH2911-2NF20Contacts: 2 NO solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-2NF22Contacts: 2 NO std + 2 NC solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3, 3RH21/3RH24 | Connection: Spring-loaded
3RH2911-2NL22Contacts: 1 NO + 2 NC std + 1 NO s.s. | Version: Front (encapsulated) | For: 3RT2 S00-S3 | Connection: Spring-loaded
3RH2911-2NL40Contacts: 3 NO std + 1 NO solid-state | Version: Front (encapsulated) | For: 3RT2 S00-S3 | Connection: Spring-loaded
3RH2911-2NM31Contacts: 2 NO + 1 NC std + 1 NO s.s. | Version: Front (encapsulated) | For: 3RT2 S00-S3 | Connection: Spring-loaded
3RH2911-2DE11Contacts: 1 NO + 1 NC solid-state | Version: Lateral, EN 50012 | For: 3RT2.1 (S00) | Connection: Spring-loaded
3RH2921-2DE11Contacts: 1 NO + 1 NC solid-state | Version: Lateral, EN 50012 | For: 3RH21/3RH24; 3RT2 S0-S3 | Connection: Spring-loaded
3RH1921-2DE11Contacts: 1 NO + 1 NC solid-state | Version: Lateral, 1st switch, EN 50012 | For: 3RT1.5-3RT1.7 S6-S12 | Connection: Spring-loaded
3RH1921-2JE11Contacts: 1 NO + 1 NC solid-state | Version: Lateral, 2nd switch, EN 50012 | For: 3RT1.5-3RT1.7 S6-S12 | Connection: Spring-loaded

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

Related products

All Relays & Switches →