• Siemens SIRIUS 3RQ41 Narrow Coupling Relays with Plug-in Relay
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Siemens SIRIUS 3RQ41 Narrow Coupling Relays with Plug-in Relay

Siemens SIRIUS 3RQ41 Narrow Coupling Relays with Plug-in Relay

SIRIUS 3RQ4 narrow-design output coupling relays with replaceable plug-in relay (1 CO).

Key features

  • Output coupling links with replaceable plug-in relay (3RQ4914 replacement relays)
  • Control supply 24, 115, 230 V AC/DC or 24 V DC
  • AgSnO2 or hard gold-plated contacts
  • 3RQ4128 version with Manual/Off/Automatic operating mode switch
  • Screw or spring-loaded (push-in) terminals

Specifications

Brand line SIRIUS
Series 3RQ4 (narrow design)
Function Output coupling link
Output Plug-in relay
CO contacts 1
Mounting TH 35 DIN rail
Source Siemens Catalog IC 10 · 2026, p. 421
3RQ4118-1AB00 Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AB01 Supply: 24 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4128-1AB30 Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Manual/Off/Automatic switch | Connection: Screw
3RQ4118-1AE00 Supply: 115 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AE01 Supply: 115 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4118-1AF00 Supply: 230 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AF01 Supply: 230 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4118-1AM00 Supply: 24 V DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AM01 Supply: 24 V DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4118-2AB00 Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AB01 Supply: 24 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4128-2AB30 Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Manual/Off/Automatic switch | Connection: Spring-loaded (push-in)
3RQ4118-2AE00 Supply: 115 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AE01 Supply: 115 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AF00 Supply: 230 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AF01 Supply: 230 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AM00 Supply: 24 V DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AM01 Supply: 24 V DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
Coupling RelaysSiemens
18 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Siemens SIRIUS 3RQ41 Narrow Coupling Relays with Plug-in Relay

Brand Siemens·Coupling Relays

Available part numbers (18)

3RQ4118-1AB00, 3RQ4118-1AB01, 3RQ4128-1AB30, 3RQ4118-1AE00, 3RQ4118-1AE01, 3RQ4118-1AF00, 3RQ4118-1AF01, 3RQ4118-1AM00, 3RQ4118-1AM01, 3RQ4118-2AB00 + 8 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RQ4118-1AB00Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AB01Supply: 24 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4128-1AB30Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Manual/Off/Automatic switch | Connection: Screw
3RQ4118-1AE00Supply: 115 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AE01Supply: 115 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4118-1AF00Supply: 230 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AF01Supply: 230 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4118-1AM00Supply: 24 V DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Screw
3RQ4118-1AM01Supply: 24 V DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Screw
3RQ4118-2AB00Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AB01Supply: 24 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4128-2AB30Supply: 24 V AC/DC | Contact material: AgSnO2 | Operating mode: Manual/Off/Automatic switch | Connection: Spring-loaded (push-in)
3RQ4118-2AE00Supply: 115 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AE01Supply: 115 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AF00Supply: 230 V AC/DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AF01Supply: 230 V AC/DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AM00Supply: 24 V DC | Contact material: AgSnO2 | Operating mode: Standard | Connection: Spring-loaded (push-in)
3RQ4118-2AM01Supply: 24 V DC | Contact material: AgSnO2 hard gold-plated | Operating mode: Standard | Connection: Spring-loaded (push-in)

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