• Siemens SIRIUS 3RF Solid-State Switching Device Accessories
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Siemens SIRIUS 3RF Solid-State Switching Device Accessories

Siemens SIRIUS 3RF Solid-State Switching Device Accessories

Accessories for SIRIUS 3RF2, 3RF3, 3RF34 and 3RF5 solid-state relays and contactors: terminal covers, control connectors, heat conducting foils, adapters and labels.

Key features

  • Replacement control connectors with screw or spring-loaded terminals
  • Terminal covers for ring cable lug versions (IP20)
  • Heat conducting foils for mounting relays on heat sinks
  • Link adapter for direct mounting of 3RB3 overload relays on 3RF34
  • Unit labeling plates and adhesive labels

Specifications

Brand Siemens
Product line SIRIUS 3RF
Category Accessories
Compatible 3RF2, 3RF3, 3RF34, 3RF5
Catalog chapter 6 - Soft starters and solid-state switching devices
Source Siemens Catalog IC 10 · 2026, p. 577-614
3RF2900-3PA88 Item: Terminal cover, ring cable lug | For: 3RF31, 3RF33 | Version: IP20 front, 10 units
3RF3900-1TA88 Item: Replacement control connector | For: 3RF30/31/33, 3RF22/24, 3RF5, 3RF34 | Version: Screw terminals, 50 units
3RF3900-2TB88 Item: Replacement control connector | For: 3RF30/31/33, 3RF22/24, 3RF5, 3RF34 | Version: Spring-loaded, 10 units
3RF3900-0WA88 Item: Heat conducting foil | For: 3RF30, 3RF31 | Version: 20 units
3RF3900-0BA88 Item: Spare DIN-rail adapter | For: 3RF33, 3RF24 | Version: 45 mm wide
3RF3900-0QA88 Item: Link adapter to overload relay | For: 3RF34..-1B... | Version: For 3RB3 / 3RR2 direct mounting
AccessoriesSiemens
6 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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Siemens SIRIUS 3RF Solid-State Switching Device Accessories

Brand Siemens·Accessories

Available part numbers (6)

3RF2900-3PA88, 3RF3900-1TA88, 3RF3900-2TB88, 3RF3900-0WA88, 3RF3900-0BA88, 3RF3900-0QA88

How to order

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Product codes & specifications
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Product codeSpec
3RF2900-3PA88Item: Terminal cover, ring cable lug | For: 3RF31, 3RF33 | Version: IP20 front, 10 units
3RF3900-1TA88Item: Replacement control connector | For: 3RF30/31/33, 3RF22/24, 3RF5, 3RF34 | Version: Screw terminals, 50 units
3RF3900-2TB88Item: Replacement control connector | For: 3RF30/31/33, 3RF22/24, 3RF5, 3RF34 | Version: Spring-loaded, 10 units
3RF3900-0WA88Item: Heat conducting foil | For: 3RF30, 3RF31 | Version: 20 units
3RF3900-0BA88Item: Spare DIN-rail adapter | For: 3RF33, 3RF24 | Version: 45 mm wide
3RF3900-0QA88Item: Link adapter to overload relay | For: 3RF34..-1B... | Version: For 3RB3 / 3RR2 direct mounting

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

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