• Siemens SENTRON 3WA Locking Provisions & Mechanical Interlocks
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Siemens SENTRON 3WA Locking Provisions & Mechanical Interlocks

Siemens SENTRON 3WA Locking Provisions & Mechanical Interlocks

Locking provisions, interlocking sets, mechanical interlocks and Bowden cables for SENTRON 3WA air circuit breakers.

Key features

  • Interlocking sets for mechanical Open/Close with or without safety lock (CES, IKON)
  • Locks against unauthorized closing from the operator panel and of withdrawable breakers (CES, IKON, KIRK-Key, RONIS, PROFALUX, FORTRESS/CASTELL)
  • Locks against movement of withdrawable breakers and in disconnected position
  • Control cabinet door locking mechanisms
  • Mechanical interlock modules, couplings and Bowden cables 2000/3000/4500 mm

Specifications

Brand Siemens
Product line SENTRON
Product family SENTRON 3WA11-3WA13 air circuit breakers
Accessory group Locking provisions and interlocks
Product type Air circuit breaker accessories
Ordering Quote on request
Source Siemens Catalog LV 10 · 2026, p. 98-99
3WA9111-0BA21 Accessory: Interlocking set mech. Open/Close | Version: Without safety lock
3WA9111-0BA22 Accessory: Interlocking set mech. Open/Close | Version: Made by CES
3WA9111-0BA23 Accessory: Interlocking set mech. Open/Close | Version: Made by IKON
3WA9111-0BA35 Accessory: Lock against closing (operator panel) | Version: Made by CES | Scope: Locks, cylinders, keys incl. (S01)
3WA9111-0BA36 Accessory: Lock against closing (operator panel) | Version: Made by IKON | Scope: Locks, cylinders, keys incl. (S03)
3WA9111-0BA31 Accessory: Lock against closing (operator panel) | Version: Assembly kit FORTRESS or CASTELL | Scope: Without locks/cylinders/keys (S05)
3WA9111-0BA33 Accessory: Lock against closing (operator panel) | Version: Made by KIRK-Key | Scope: Without locks/cylinders/keys (S06)
3WA9111-0BA37 Accessory: Lock against closing (operator panel) | Version: Assembly kit for padlocks | Scope: Without padlock (S07)
3WA9111-0BA32 Accessory: Lock against closing (operator panel) | Version: Made by RONIS | Scope: Locks, cylinders, keys incl. (S08)
3WA9111-0BA34 Accessory: Lock against closing (operator panel) | Version: Made by PROFALUX | Scope: Locks, cylinders, keys incl. (S09)
3WA9111-0BA51 Accessory: Lock against closing (withdrawable CB) | Version: Made by CES | Scope: Locks, cylinders, keys incl.
3WA9111-0BA53 Accessory: Lock against closing (withdrawable CB) | Version: Made by IKON | Scope: Locks, cylinders, keys incl.
3WA9111-0BA57 Accessory: Lock against closing (withdrawable CB) | Version: Made by KIRK-Key | Scope: Without locks/cylinders/keys
3WA9111-0BA58 Accessory: Lock against closing (withdrawable CB) | Version: Made by RONIS | Scope: Locks, cylinders, keys incl.
3WA9111-0BA50 Accessory: Lock against closing (withdrawable CB) | Version: Made by PROFALUX | Scope: Locks, cylinders, keys incl.
3WA9111-0BA71 Accessory: Charging handle padlock provision | Version: Spare part for S33 | Scope: Without padlock
3WA9111-0BA73 Accessory: Lock against movement (withdrawable CB) | Version: Made by CES | Scope: Locks, cylinders, keys incl.
3WA9111-0BA75 Accessory: Lock against movement (withdrawable CB) | Version: Made by IKON | Scope: Locks, cylinders, keys incl.
3WA9111-0BA76 Accessory: Lock against movement (withdrawable CB) | Version: Made by PROFALUX | Scope: Locks, cylinders, keys incl.
3WA9111-0BA77 Accessory: Lock against movement (withdrawable CB) | Version: Made by RONIS | Scope: Locks, cylinders, keys incl.
3WA9111-0BA80 Accessory: Lock against movement (withdrawable CB) | Version: Made by KIRK-Key | Scope: Without locks/cylinders/keys
3WA9111-0BA43 Accessory: Interlocking system | Version: Made by CES
3WA9111-0BA81 Accessory: Lock in disconnected position | Version: Made by CES
3WA9111-0BA82 Accessory: Lock in disconnected position | Version: Made by IKON
3WA9111-0BA83 Accessory: Lock in disconnected position | Version: Made by PROFALUX
3WA9111-0BA84 Accessory: Lock in disconnected position | Version: Made by RONIS
3WA9111-0BB12 Accessory: Cabinet door lock (CB closed) | Version: Fixed-mounted CB, spare part S30
3WA9111-0BB13 Accessory: Cabinet door lock (CB closed) | Version: Guide frames, spare part R30
3WA9111-0BB15 Accessory: Movement lock with cabinet door open | Version: Spare part for option R50
3WA9111-0BB21 Accessory: Mechanical interlock | Version: Fixed-mounted CB, spare part S55
3WA9111-0BB22 Accessory: Mechanical interlock | Version: Withdrawable CB with guide frame, R55
3WA9111-0BB23 Accessory: Mechanical interlock | Version: Module for guide frame, R56
3WA9111-0BB24 Accessory: Mechanical interlock | Version: Module for withdrawable CB, R57
3WA9111-0BB25 Accessory: Mechanical interlock | Version: Adapter for size 3 withdrawable CB
3WA9111-0BB31 Accessory: Bowden cable coupling | Version: For all circuit breakers
3WA9111-0BB41 Accessory: Bowden cable | Length: 2000 mm
3WA9111-0BB42 Accessory: Bowden cable | Length: 3000 mm
3WA9111-0BB43 Accessory: Bowden cable | Length: 4500 mm
AccessoriesSiemens
38 product codes available in this family
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Siemens SENTRON 3WA Locking Provisions & Mechanical Interlocks

Brand Siemens·Accessories

Available part numbers (38)

3WA9111-0BA21, 3WA9111-0BA22, 3WA9111-0BA23, 3WA9111-0BA35, 3WA9111-0BA36, 3WA9111-0BA31, 3WA9111-0BA33, 3WA9111-0BA37, 3WA9111-0BA32, 3WA9111-0BA34 + 28 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3WA9111-0BA21Accessory: Interlocking set mech. Open/Close | Version: Without safety lock
3WA9111-0BA22Accessory: Interlocking set mech. Open/Close | Version: Made by CES
3WA9111-0BA23Accessory: Interlocking set mech. Open/Close | Version: Made by IKON
3WA9111-0BA35Accessory: Lock against closing (operator panel) | Version: Made by CES | Scope: Locks, cylinders, keys incl. (S01)
3WA9111-0BA36Accessory: Lock against closing (operator panel) | Version: Made by IKON | Scope: Locks, cylinders, keys incl. (S03)
3WA9111-0BA31Accessory: Lock against closing (operator panel) | Version: Assembly kit FORTRESS or CASTELL | Scope: Without locks/cylinders/keys (S05)
3WA9111-0BA33Accessory: Lock against closing (operator panel) | Version: Made by KIRK-Key | Scope: Without locks/cylinders/keys (S06)
3WA9111-0BA37Accessory: Lock against closing (operator panel) | Version: Assembly kit for padlocks | Scope: Without padlock (S07)
3WA9111-0BA32Accessory: Lock against closing (operator panel) | Version: Made by RONIS | Scope: Locks, cylinders, keys incl. (S08)
3WA9111-0BA34Accessory: Lock against closing (operator panel) | Version: Made by PROFALUX | Scope: Locks, cylinders, keys incl. (S09)
3WA9111-0BA51Accessory: Lock against closing (withdrawable CB) | Version: Made by CES | Scope: Locks, cylinders, keys incl.
3WA9111-0BA53Accessory: Lock against closing (withdrawable CB) | Version: Made by IKON | Scope: Locks, cylinders, keys incl.
3WA9111-0BA57Accessory: Lock against closing (withdrawable CB) | Version: Made by KIRK-Key | Scope: Without locks/cylinders/keys
3WA9111-0BA58Accessory: Lock against closing (withdrawable CB) | Version: Made by RONIS | Scope: Locks, cylinders, keys incl.
3WA9111-0BA50Accessory: Lock against closing (withdrawable CB) | Version: Made by PROFALUX | Scope: Locks, cylinders, keys incl.
3WA9111-0BA71Accessory: Charging handle padlock provision | Version: Spare part for S33 | Scope: Without padlock
3WA9111-0BA73Accessory: Lock against movement (withdrawable CB) | Version: Made by CES | Scope: Locks, cylinders, keys incl.
3WA9111-0BA75Accessory: Lock against movement (withdrawable CB) | Version: Made by IKON | Scope: Locks, cylinders, keys incl.
3WA9111-0BA76Accessory: Lock against movement (withdrawable CB) | Version: Made by PROFALUX | Scope: Locks, cylinders, keys incl.
3WA9111-0BA77Accessory: Lock against movement (withdrawable CB) | Version: Made by RONIS | Scope: Locks, cylinders, keys incl.
3WA9111-0BA80Accessory: Lock against movement (withdrawable CB) | Version: Made by KIRK-Key | Scope: Without locks/cylinders/keys
3WA9111-0BA43Accessory: Interlocking system | Version: Made by CES
3WA9111-0BA81Accessory: Lock in disconnected position | Version: Made by CES
3WA9111-0BA82Accessory: Lock in disconnected position | Version: Made by IKON
3WA9111-0BA83Accessory: Lock in disconnected position | Version: Made by PROFALUX
3WA9111-0BA84Accessory: Lock in disconnected position | Version: Made by RONIS
3WA9111-0BB12Accessory: Cabinet door lock (CB closed) | Version: Fixed-mounted CB, spare part S30
3WA9111-0BB13Accessory: Cabinet door lock (CB closed) | Version: Guide frames, spare part R30
3WA9111-0BB15Accessory: Movement lock with cabinet door open | Version: Spare part for option R50
3WA9111-0BB21Accessory: Mechanical interlock | Version: Fixed-mounted CB, spare part S55
3WA9111-0BB22Accessory: Mechanical interlock | Version: Withdrawable CB with guide frame, R55
3WA9111-0BB23Accessory: Mechanical interlock | Version: Module for guide frame, R56
3WA9111-0BB24Accessory: Mechanical interlock | Version: Module for withdrawable CB, R57
3WA9111-0BB25Accessory: Mechanical interlock | Version: Adapter for size 3 withdrawable CB
3WA9111-0BB31Accessory: Bowden cable coupling | Version: For all circuit breakers
3WA9111-0BB41Accessory: Bowden cable | Length: 2000 mm
3WA9111-0BB42Accessory: Bowden cable | Length: 3000 mm
3WA9111-0BB43Accessory: Bowden cable | Length: 4500 mm

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