• Siemens SIRIUS 3RQ1 Force-Guided Coupling Relays (SIL 2 / SIL 3)
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Siemens SIRIUS 3RQ1 Force-Guided Coupling Relays (SIL 2 / SIL 3)

Siemens SIRIUS 3RQ1 Force-Guided Coupling Relays (SIL 2 / SIL 3)

SIRIUS 3RQ1 force-guided coupling relays in 17.5 and 22.5 mm industrial enclosures for safe coupling up to SIL 3/PL e.

Key features

  • Force-guided contacts, safety certified to SIL 2/PL c or SIL 3/PL e (IEC 62061 / ISO 13849-1)
  • 24 V DC versions (120 mm depth) suitable for 3ZY12 device connectors
  • Wide-range 24 to 240 V AC/DC versions (90 mm depth)
  • Widths 17.5 mm and 22.5 mm with up to 4 NO + 1 NC contacts
  • Screw terminals or spring-loaded (push-in) terminals

Specifications

Brand line SIRIUS
Series 3RQ1
Contact type Force-guided
Enclosure Industrial DIN-rail enclosure
Safety standard IEC 62061 / ISO 13849-1
Mounting TH 35 DIN rail
Source Siemens Catalog IC 10 · 2026, p. 408
3RQ1000-1EB00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 1 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1GB00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1EW00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1000-1GW00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1200-1EB00 Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24 V DC | Contacts: 1 NO (NC as feedback contact) | Option: For 3ZY12 device connector | Connection: Screw
3RQ1200-1EW00 Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1000-1HB00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 2 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1LB00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 4 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1HW00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 2 NC | Option: Standard | Connection: Screw
3RQ1000-1LW00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 4 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1000-2EB00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 1 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2GB00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2EW00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2GW00 Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1200-2EB00 Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24 V DC | Contacts: 1 NO (NC as feedback contact) | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1200-2EW00 Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2HB00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 2 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2LB00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 4 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2HW00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 2 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2LW00 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 4 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2HW00-0AX0 Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 2 NC | Option: PCB protective coating | Connection: Spring-loaded (push-in)
Coupling RelaysSiemens
21 product codes available in this family
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Siemens SIRIUS 3RQ1 Force-Guided Coupling Relays (SIL 2 / SIL 3)

Brand Siemens·Coupling Relays

Available part numbers (21)

3RQ1000-1EB00, 3RQ1000-1GB00, 3RQ1000-1EW00, 3RQ1000-1GW00, 3RQ1200-1EB00, 3RQ1200-1EW00, 3RQ1000-1HB00, 3RQ1000-1LB00, 3RQ1000-1HW00, 3RQ1000-1LW00 + 11 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RQ1000-1EB00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 1 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1GB00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1EW00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1000-1GW00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1200-1EB00Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24 V DC | Contacts: 1 NO (NC as feedback contact) | Option: For 3ZY12 device connector | Connection: Screw
3RQ1200-1EW00Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1000-1HB00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 2 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1LB00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 4 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Screw
3RQ1000-1HW00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 2 NC | Option: Standard | Connection: Screw
3RQ1000-1LW00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 4 NO + 1 NC | Option: Standard | Connection: Screw
3RQ1000-2EB00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 1 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2GB00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2EW00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2GW00Width: 17.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1200-2EB00Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24 V DC | Contacts: 1 NO (NC as feedback contact) | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1200-2EW00Width: 17.5 mm | Safety: SIL 3/PL e | Supply: 24-240 V AC/DC | Contacts: 1 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2HB00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 2 NO + 2 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2LB00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24 V DC | Contacts: 4 NO + 1 NC | Option: For 3ZY12 device connector | Connection: Spring-loaded (push-in)
3RQ1000-2HW00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 2 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2LW00Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 4 NO + 1 NC | Option: Standard | Connection: Spring-loaded (push-in)
3RQ1000-2HW00-0AX0Width: 22.5 mm | Safety: SIL 2/PL c | Supply: 24-240 V AC/DC | Contacts: 2 NO + 2 NC | Option: PCB protective coating | Connection: Spring-loaded (push-in)

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