• Siemens SIRIUS 3RA6 Compact Starter Accessories & AS-i Modules
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Siemens SIRIUS 3RA6 Compact Starter Accessories & AS-i Modules

Siemens SIRIUS 3RA6 Compact Starter Accessories & AS-i Modules

Auxiliary switches, terminals, adapters, 3-phase busbars, AS-i add-on modules and related accessories for SIRIUS 3RA6 compact starters.

Key features

  • Auxiliary switches 2 NO, 2 NC or force-guided 1 NO + 1 NC
  • Replaceable main and control circuit terminal sets (screw, spring-loaded, mixed)
  • 3-phase busbars, covers and infeed terminals for parallel wiring
  • AS-i add-on modules incl. versions with local inputs, outputs or local control
  • AS-Interface addressing unit V3.0 and connection plugs

Specifications

Brand Siemens
Product line SIRIUS 3RA6 compact starters
Application Add-ons and infeed by parallel wiring
Catalog chapter IC 10 ch. 8: load feeders, motor starters
Category Accessories
Source Siemens Catalog IC 10 · 2026, p. 792-796
3RA6950-0A Type: Control kit | Version: Mechanical actuation of compact starter | Terminals: -- | PS: 1 unit
3RA6940-0A Type: Adapter for screw fixing | Version: Set incl. push-in lugs | Terminals: -- | PS: 1 unit
3RA6911-1A Type: Auxiliary switch | Version: 2 NO | Terminals: Screw | PS: 1 unit
3RA6912-1A Type: Auxiliary switch | Version: 2 NC | Terminals: Screw | PS: 1 unit
3RA6913-1A Type: Auxiliary switch | Version: 1 NO + 1 NC, force-guided | Terminals: Screw | PS: 1 unit
3RA6920-1A Type: Main circuit terminals | Version: Input and output side, 1 set | Terminals: Screw | PS: 1 unit
3RA6920-1B Type: Control circuit terminals | Version: For 3RA61, 1 set | Terminals: Screw | PS: 1 unit
3RA6920-1C Type: Control circuit terminals | Version: For 3RA62, 1 set | Terminals: Screw | PS: 1 unit
3RA6911-2A Type: Auxiliary switch | Version: 2 NO | Terminals: Spring-loaded | PS: 1 unit
3RA6912-2A Type: Auxiliary switch | Version: 2 NC | Terminals: Spring-loaded | PS: 1 unit
3RA6913-2A Type: Auxiliary switch | Version: 1 NO + 1 NC, force-guided | Terminals: Spring-loaded | PS: 1 unit
3RA6920-2A Type: Main circuit terminals | Version: Input and output side, 1 set | Terminals: Spring-loaded | PS: 1 unit
3RA6920-2B Type: Control circuit terminals | Version: For 3RA61, 1 set | Terminals: Spring-loaded | PS: 1 unit
3RA6920-2C Type: Control circuit terminals | Version: For 3RA62, 1 set | Terminals: Spring-loaded | PS: 1 unit
3RA6920-3A Type: Main circuit terminals, mixed | Version: Input screw / output spring-loaded | Terminals: Screw/spring-loaded | PS: 1 unit
8US1211-1NS10 Type: Busbar adapter 60 mm | Version: Copper busbars 12-30 mm | Terminals: -- | PS: 1 unit
8US1250-1AA10 Type: Device holder 60 mm | Version: Lateral, for reversing starter | Terminals: -- | PS: 1 unit
3RA6970-3A Type: AS-i add-on module | Version: Standard version | Terminals: -- | PS: 1 unit
3RA6970-3B Type: AS-i add-on module | Version: With two local inputs | Terminals: -- | PS: 1 unit
3RA6970-3C Type: AS-i add-on module | Version: With two free external inputs | Terminals: -- | PS: 1 unit
3RA6970-3D Type: AS-i add-on module | Version: One free ext. input + one ext. output | Terminals: -- | PS: 1 unit
3RA6970-3E Type: AS-i add-on module | Version: Two free external outputs (DOL only) | Terminals: -- | PS: 1 unit
3RA6970-3F Type: AS-i add-on module | Version: For local control | Terminals: -- | PS: 1 unit
3RK1901-0NA00 Type: Connection plug AS-i | Version: Flat, yellow, extender | Terminals: -- | PS: 5 units
3RK1901-0PA00 Type: Connection plug aux. supply | Version: Flat, black, extender | Terminals: -- | PS: 5 units
AccessoriesSiemens
25 product codes available in this family
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Siemens SIRIUS 3RA6 Compact Starter Accessories & AS-i Modules

Brand Siemens·Accessories

Available part numbers (25)

3RA6950-0A, 3RA6940-0A, 3RA6911-1A, 3RA6912-1A, 3RA6913-1A, 3RA6920-1A, 3RA6920-1B, 3RA6920-1C, 3RA6911-2A, 3RA6912-2A + 15 more — see full table ↓

How to order

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Product codes & specifications
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RFQ List (0)
Product codeSpec
3RA6950-0AType: Control kit | Version: Mechanical actuation of compact starter | Terminals: -- | PS: 1 unit
3RA6940-0AType: Adapter for screw fixing | Version: Set incl. push-in lugs | Terminals: -- | PS: 1 unit
3RA6911-1AType: Auxiliary switch | Version: 2 NO | Terminals: Screw | PS: 1 unit
3RA6912-1AType: Auxiliary switch | Version: 2 NC | Terminals: Screw | PS: 1 unit
3RA6913-1AType: Auxiliary switch | Version: 1 NO + 1 NC, force-guided | Terminals: Screw | PS: 1 unit
3RA6920-1AType: Main circuit terminals | Version: Input and output side, 1 set | Terminals: Screw | PS: 1 unit
3RA6920-1BType: Control circuit terminals | Version: For 3RA61, 1 set | Terminals: Screw | PS: 1 unit
3RA6920-1CType: Control circuit terminals | Version: For 3RA62, 1 set | Terminals: Screw | PS: 1 unit
3RA6911-2AType: Auxiliary switch | Version: 2 NO | Terminals: Spring-loaded | PS: 1 unit
3RA6912-2AType: Auxiliary switch | Version: 2 NC | Terminals: Spring-loaded | PS: 1 unit
3RA6913-2AType: Auxiliary switch | Version: 1 NO + 1 NC, force-guided | Terminals: Spring-loaded | PS: 1 unit
3RA6920-2AType: Main circuit terminals | Version: Input and output side, 1 set | Terminals: Spring-loaded | PS: 1 unit
3RA6920-2BType: Control circuit terminals | Version: For 3RA61, 1 set | Terminals: Spring-loaded | PS: 1 unit
3RA6920-2CType: Control circuit terminals | Version: For 3RA62, 1 set | Terminals: Spring-loaded | PS: 1 unit
3RA6920-3AType: Main circuit terminals, mixed | Version: Input screw / output spring-loaded | Terminals: Screw/spring-loaded | PS: 1 unit
8US1211-1NS10Type: Busbar adapter 60 mm | Version: Copper busbars 12-30 mm | Terminals: -- | PS: 1 unit
8US1250-1AA10Type: Device holder 60 mm | Version: Lateral, for reversing starter | Terminals: -- | PS: 1 unit
3RA6970-3AType: AS-i add-on module | Version: Standard version | Terminals: -- | PS: 1 unit
3RA6970-3BType: AS-i add-on module | Version: With two local inputs | Terminals: -- | PS: 1 unit
3RA6970-3CType: AS-i add-on module | Version: With two free external inputs | Terminals: -- | PS: 1 unit
3RA6970-3DType: AS-i add-on module | Version: One free ext. input + one ext. output | Terminals: -- | PS: 1 unit
3RA6970-3EType: AS-i add-on module | Version: Two free external outputs (DOL only) | Terminals: -- | PS: 1 unit
3RA6970-3FType: AS-i add-on module | Version: For local control | Terminals: -- | PS: 1 unit
3RK1901-0NA00Type: Connection plug AS-i | Version: Flat, yellow, extender | Terminals: -- | PS: 5 units
3RK1901-0PA00Type: Connection plug aux. supply | Version: Flat, black, extender | Terminals: -- | PS: 5 units

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