• Siemens SIRIUS 3RQ40 Narrow Coupling Relays, Semiconductor Output
1 1

Siemens SIRIUS 3RQ40 Narrow Coupling Relays, Semiconductor Output

Siemens SIRIUS 3RQ40 Narrow Coupling Relays, Semiconductor Output

SIRIUS 3RQ4 narrow-design coupling relays with integrated wear-free semiconductor output for input and output coupling links.

Key features

  • Integrated semiconductor output, wear-free switching
  • Control supply 11 to 30 V DC or 110 to 230 V AC/DC
  • DC outputs 0.001 to 3 A or 0.001 to 6 A; AC output 0.005 to 2 A
  • Output and input coupling links
  • Screw or spring-loaded (push-in) terminals

Specifications

Brand line SIRIUS
Series 3RQ4 (narrow design)
Output Semiconductor
Mounting TH 35 DIN rail
Source Siemens Catalog IC 10 · 2026, p. 422
3RQ4050-1SM50 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Screw
3RQ4052-1SM30 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4052-1SM40 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Screw
3RQ4052-1SM50 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: AC 0.005-2 A | Connection: Screw
3RQ4055-1SM30 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4053-1SG30 Function: Output coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4070-1SB30 Function: Input coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4070-1SG30 Function: Input coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4050-2SM50 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Spring-loaded (push-in)
3RQ4052-2SM30 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4052-2SM40 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Spring-loaded (push-in)
3RQ4052-2SM50 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: AC 0.005-2 A | Connection: Spring-loaded (push-in)
3RQ4055-2SM30 Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4053-2SG30 Function: Output coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4070-2SB30 Function: Input coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4070-2SG30 Function: Input coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
Coupling RelaysSiemens
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 3RQ40 Narrow Coupling Relays, Semiconductor Output

Brand Siemens·Coupling Relays

Available part numbers (16)

3RQ4050-1SM50, 3RQ4052-1SM30, 3RQ4052-1SM40, 3RQ4052-1SM50, 3RQ4055-1SM30, 3RQ4053-1SG30, 3RQ4070-1SB30, 3RQ4070-1SG30, 3RQ4050-2SM50, 3RQ4052-2SM30 + 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
3RQ4050-1SM50Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Screw
3RQ4052-1SM30Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4052-1SM40Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Screw
3RQ4052-1SM50Function: Output coupling link | Supply: 11-30 V DC | Output capacity: AC 0.005-2 A | Connection: Screw
3RQ4055-1SM30Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4053-1SG30Function: Output coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4070-1SB30Function: Input coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4070-1SG30Function: Input coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Screw
3RQ4050-2SM50Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Spring-loaded (push-in)
3RQ4052-2SM30Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4052-2SM40Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-3 A | Connection: Spring-loaded (push-in)
3RQ4052-2SM50Function: Output coupling link | Supply: 11-30 V DC | Output capacity: AC 0.005-2 A | Connection: Spring-loaded (push-in)
3RQ4055-2SM30Function: Output coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4053-2SG30Function: Output coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4070-2SB30Function: Input coupling link | Supply: 11-30 V DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)
3RQ4070-2SG30Function: Input coupling link | Supply: 110-230 V AC/DC | Output capacity: DC 0.001-6 A | Connection: Spring-loaded (push-in)

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

Related products

All Relays & Switches →