• Siemens SIRIUS 3RV29 Auxiliary & Signaling Switches, Isolator Modules
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Siemens SIRIUS 3RV29 Auxiliary & Signaling Switches, Isolator Modules

Siemens SIRIUS 3RV29 Auxiliary & Signaling Switches, Isolator Modules

Mountable auxiliary switches, signaling switches and isolator modules for SIRIUS 3RV2 motor starter protectors/circuit breakers sizes S00 to S3.

Key features

  • Transverse auxiliary switches for front mounting: 1 CO, 1 NO + 1 NC or 2 NO
  • Solid-state-compatible transverse switch for low currents and dusty atmospheres
  • Lateral auxiliary switches for left mounting incl. 2 NO + 2 NC version
  • Signaling switch with separate tripped and short-circuit alarms
  • Isolator modules with visible isolating distance, lockable in OFF position

Specifications

Product line SIRIUS 3RV2
For 3RV2 motor starter protectors/circuit breakers
Brand Siemens
Catalog section IC 10 ch. 7 Protection equipment
Category Accessories
Compatible with 3RV2 motor starter protectors/CBs
Product group SIRIUS industrial controls accessories
Source Siemens Catalog IC 10 · 2026, p. 7/46-7/46
3RV2901-1D Type: Transverse aux. switch (front) | Contacts: 1 CO | Size: S00–S3 | Connection: Screw
3RV2901-1E Type: Transverse aux. switch (front) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Screw
3RV2901-2E Type: Transverse aux. switch (front) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1F Type: Transverse aux. switch (front) | Contacts: 2 NO | Size: S00–S3 | Connection: Screw
3RV2901-2F Type: Transverse aux. switch (front) | Contacts: 2 NO | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1G Type: Transverse aux. switch, solid-state | Contacts: 1 CO | Size: S00–S3 | Connection: Screw
3RV2901-0H Type: Cover for transverse aux. switch | Contacts: -- | Size: S00–S3 | Connection: --
3RV2901-1A Type: Lateral aux. switch (left) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Screw
3RV2901-2A Type: Lateral aux. switch (left) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1B Type: Lateral aux. switch (left) | Contacts: 2 NO | Size: S00–S3 | Connection: Screw
3RV2901-2B Type: Lateral aux. switch (left) | Contacts: 2 NO | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1C Type: Lateral aux. switch (left) | Contacts: 2 NC | Size: S00–S3 | Connection: Screw
3RV2901-2C Type: Lateral aux. switch (left) | Contacts: 2 NC | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1J Type: Lateral aux. switch (left) | Contacts: 2 NO + 2 NC | Size: S00–S3 | Connection: Screw
3RV2921-1M Type: Signaling switch (left) | Contacts: Trip + short-circuit, 1 NO + 1 NC each | Size: S00–S3 | Connection: Screw
3RV2921-2M Type: Signaling switch (left) | Contacts: Trip + short-circuit, 1 NO + 1 NC each | Size: S00–S3 | Connection: Spring-loaded
3RV2928-1A Type: Isolator module, lockable | Contacts: -- | Size: S00, S0 | Connection: Screw
3RV2938-1A Type: Isolator module, lockable | Contacts: -- | Size: S2 (up to 65 A) | Connection: Screw
AccessoriesSiemens
18 product codes available in this family
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Siemens SIRIUS 3RV29 Auxiliary & Signaling Switches, Isolator Modules

Brand Siemens·Accessories

Available part numbers (18)

3RV2901-1D, 3RV2901-1E, 3RV2901-2E, 3RV2901-1F, 3RV2901-2F, 3RV2901-1G, 3RV2901-0H, 3RV2901-1A, 3RV2901-2A, 3RV2901-1B + 8 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3RV2901-1DType: Transverse aux. switch (front) | Contacts: 1 CO | Size: S00–S3 | Connection: Screw
3RV2901-1EType: Transverse aux. switch (front) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Screw
3RV2901-2EType: Transverse aux. switch (front) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1FType: Transverse aux. switch (front) | Contacts: 2 NO | Size: S00–S3 | Connection: Screw
3RV2901-2FType: Transverse aux. switch (front) | Contacts: 2 NO | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1GType: Transverse aux. switch, solid-state | Contacts: 1 CO | Size: S00–S3 | Connection: Screw
3RV2901-0HType: Cover for transverse aux. switch | Contacts: -- | Size: S00–S3 | Connection: --
3RV2901-1AType: Lateral aux. switch (left) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Screw
3RV2901-2AType: Lateral aux. switch (left) | Contacts: 1 NO + 1 NC | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1BType: Lateral aux. switch (left) | Contacts: 2 NO | Size: S00–S3 | Connection: Screw
3RV2901-2BType: Lateral aux. switch (left) | Contacts: 2 NO | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1CType: Lateral aux. switch (left) | Contacts: 2 NC | Size: S00–S3 | Connection: Screw
3RV2901-2CType: Lateral aux. switch (left) | Contacts: 2 NC | Size: S00–S3 | Connection: Spring-loaded
3RV2901-1JType: Lateral aux. switch (left) | Contacts: 2 NO + 2 NC | Size: S00–S3 | Connection: Screw
3RV2921-1MType: Signaling switch (left) | Contacts: Trip + short-circuit, 1 NO + 1 NC each | Size: S00–S3 | Connection: Screw
3RV2921-2MType: Signaling switch (left) | Contacts: Trip + short-circuit, 1 NO + 1 NC each | Size: S00–S3 | Connection: Spring-loaded
3RV2928-1AType: Isolator module, lockable | Contacts: -- | Size: S00, S0 | Connection: Screw
3RV2938-1AType: Isolator module, lockable | Contacts: -- | Size: S2 (up to 65 A) | Connection: Screw

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