Circuit Breaker Lockouts

  1. Yellow Siemens Miniature Circuit Breaker Lockout with Twisting Screw
    Lockout Lock logo
    Yellow Siemens Miniature Circuit Breaker Lockout with Twisting Screw
    (no reviews)
    £7.68 £6.40
    • Lockout for Siemens MCBs
    • Easy to install - no tools required
    • Space for attaching a single padlock
    6 Reward Points
    Price Match Guarantee
    LT-MCBL-YS-TS
  2. Lockout Lock Moulded Case Circuit Breaker Lockout
    Lockout Lock logo
    4 In Stock
    Lockout Lock Moulded Case Circuit Breaker Lockout
    (no reviews)
    £7.68 £6.40
    • Optimised for locking out T1-T2-T3 / FUJI moulded case circuit breakers
    • Prevents the above circuit breakers' levers from closing or opening operation
    • A maximum of three padlocks, with shackle diameters of up 7mm, may be attached
    6 Reward Points
    Price Match Guarantee
    LT-MCCBL-A
  3. Lockout Lock Round Fuse Holder Dummy
    Lockout Lock logo
    2 Options in Stock
    Lockout Lock Round Fuse Holder Dummy
    (no reviews)
    £7.80 £6.50
    • Two versions available: one optimised for E27 fuses, the other E33 fuses
    • Prevents accidental and/or unauthorised activation of a circuit’s power
    • Robust: non-conductive and operational between 4°C and 121°C
    6 Reward Points
    Price Match Guarantee
    LT-RFHD-X
  4. Slider Miniature Circuit Breaker (MCB) Lockout - Pin Out (Wide)
    Lockout Lock logo
    In Stock
    Slider Miniature Circuit Breaker (MCB) Lockout - Pin Out (Wide)
    (no reviews)
    £8.03 £6.69
    • Wide pins
    • Easy installation
    • Space for one padlock
    6 Reward Points
    Price Match Guarantee
    LT-SPOWCBL
  5. Lockout Lock LT-RCOBL Round Clamp-on Breaker Lockout Device
    Lockout Lock logo
    Lockout Lock LT-RCOBL Round Clamp-on Breaker Lockout Device
    (no reviews)
    £8.70 £7.25
    • Engineering-grade NYLON / ABS Plastic
    • Multi-lock hole design
    • Self-contained SS screw
    7 Reward Points
    Price Match Guarantee
    LT-RCOBL
  6. Premier Circuit Breaker Lockout with Outward Pins
    Lockout Lock logo
    Premier Circuit Breaker Lockout with Outward Pins
    (no reviews)
    £9.00 £7.50
    • Easily lockout a miniature circuit breaker
    • Outward pointing pins (fit into the holes on an MCB)
    • Space for attaching a single padlock
    7 Reward Points
    Price Match Guarantee
    LT-PINOUTPCBL
  7. Masterlock 491B/493B Grip Tight Circuit Breaker Lockout w/ Type Choice
    MasterLock logo
    2 Options in Stock
    Masterlock 491B/493B Grip Tight Circuit Breaker Lockout w/ Type Choice
    (no reviews)
    £9.06 £7.55
    • Two versions available
    • Easy installation
    • Heavy-duty steel design
    7 Reward Points
    Price Match Guarantee
    ML-491-493-B
  8. Lockout Lock Round Fuse Holder Lockout
    Lockout Lock logo
    1 Option in Stock
    Lockout Lock Round Fuse Holder Lockout
    (no reviews)
    £9.55 £7.96
    • Two models available: one optimised for E27 fuses, the other for E33 fuses
    • Prevent a circuit’s power from accidental and/or unauthorised re-activation
    • Non-conductive and can withstand temperatures between 4°C and 121°C
    7 Reward Points
    Price Match Guarantee
    LT-RFHL-X
  9. Lockout Lock LT-U-MPCBL Universal Motor Protection Circuit Breaker Lockout Device
    Lockout Lock logo
    In Stock
    Lockout Lock LT-U-MPCBL Universal Motor Protection Circuit Breaker Lockout Device
    (no reviews)
    £9.59 £7.99
    • Universally accepted designs
    • Two-part riveted model
    • Prevents access to the motor protection rotatory
    7 Reward Points
    Price Match Guarantee
    LT-U-MPCBL
  10. Lockout Lock Operating Tool for Round Fuse Holder Lockout/ Dummy
    Lockout Lock logo
    1 Option in Stock
    Lockout Lock Operating Tool for Round Fuse Holder Lockout/ Dummy
    (no reviews)
    £9.60 £8.00
    • Specially designed screwdriver available in two models
    • LT-OT-RFHL for lockouts; LT-OT-RFHD for dummies
    • Ensures Lockout Lock’s Round Fuse Holder Lockouts or Round Fuse Holder Dummies are applied correctly, effectively and safely
    8 Reward Points
    Price Match Guarantee
    LT-OT-RFHX
  11. Slider Miniature Circuit Breaker Lockout - Pin Out
    Lockout Lock logo
    In Stock
    Slider Miniature Circuit Breaker Lockout - Pin Out
    (no reviews)
    £11.99 £9.99

    MCB lockout device with prongs pointing outwards. Simple installation.

    9 Reward Points
    Price Match Guarantee
    LT-SPOCBL
  12. Lockout Lock LT-MPCBL Multi-Pole Circuit Breaker Lockout
    Lockout Lock logo
    Lockout Lock LT-MPCBL Multi-Pole Circuit Breaker Lockout
    (no reviews)
    £12.00 £10.00
    • Special grade alloy and ABS
    • Safe and effective
    • Easily installed
    10 Reward Points
    Price Match Guarantee
    LT-MPCBL
  13. Lockout Lock Tool Free Circuit Breaker Lockout
    Lockout Lock logo
    1 Option in Stock
    Lockout Lock Tool Free Circuit Breaker Lockout
    (no reviews)
    £12.60 £10.50
    • Standard and universal models available
    • Easy to operate
    • Supplied with pointed and flat screw and includes a thumb turn dial and dual padlock holes
    10 Reward Points
    Price Match Guarantee
    LT-TF-X
  14. Universal MCB Circuit Breaker Lockout Kit - Set of 4
    Lockout Lock logo
    3 In Stock
    Universal MCB Circuit Breaker Lockout Kit - Set of 4
    (no reviews)
    £13.20 £11.00
    • Includes 4x MCB lockouts
    • Each lockout is a different size
    • Clips easily onto a miniature circuit breaker
    11 Reward Points
    Price Match Guarantee
    LT-UBLCOMBO
  15. Masterlock S2394 Tool-Free Universal Miniature Breaker Lockout
    MasterLock logo
    Lead Time: 1-2 Weeks
    Masterlock S2394 Tool-Free Universal Miniature Breaker Lockout
    (1)
    £13.30 £11.08
    • Small, compact size
    • Extremely easy to install
    • No tools required
    11 Reward Points
    Price Match Guarantee
    S2394
  16. Lockout Lock LT-MSP-CBL Mini Side Pattern Circuit Breaker Lockout Device
    Lockout Lock logo
    Lockout Lock LT-MSP-CBL Mini Side Pattern Circuit Breaker Lockout Device
    (no reviews)
    £15.00 £12.50
    • Special-grade alloy and ABS
    • Easily installed
    • Safe and effective
    12 Reward Points
    Price Match Guarantee
    LT-MSP-CBL
  17. Slider Miniature Circuit Breaker (MCB) Lockout Kit - Set of 3
    Lockout Lock logo
    In Stock
    Slider Miniature Circuit Breaker (MCB) Lockout Kit - Set of 3
    (no reviews)
    £16.43 £13.69
    • Includes three sliding MCB lockouts
    • No tools required for installation
    • Space for one padlock per lockout
    13 Reward Points
    Price Match Guarantee
    LT-COMBOSCBL
  18. Lockout Lock LT-LSP-CBL Large Side Pattern Circuit Breaker Lockout Device
    Lockout Lock logo
    Lockout Lock LT-LSP-CBL Large Side Pattern Circuit Breaker Lockout Device
    (no reviews)
    £16.56 £13.80
    • Special grade alloy and ABS
    • Easily installed
    • Safe and effective
    13 Reward Points
    Price Match Guarantee
    LT-LSP-CBL
  19. Masterlock 506 Grip Tight Breaker Lockout Set
    MasterLock logo
    Lead Time: 1-2 Weeks
    Masterlock 506 Grip Tight Breaker Lockout Set
    (no reviews)
    £16.75 £13.96
    • Pack of two circuit breaker lockouts
    • Great value
    • Hardened steel design with easy installation
    13 Reward Points
    Price Match Guarantee
    ML506
  20. Martindale LOK6 Universal Fuse Carrier Lockout
    Martindale logo
    3 In Stock
    Martindale LOK6 Universal Fuse Carrier Lockout
    (no reviews)
    £17.04 £14.20
    • Universally suitable for fuse carriers/holders
    • Easy to install and secure
    • Non-conductive
    14 Reward Points
    Price Match Guarantee
    MARLOK6
  21. 3 x Slider Circuit Breaker Lockout Kit
    Lockout Lock logo
    4 In Stock
    3 x Slider Circuit Breaker Lockout Kit
    (1)
    £17.99 £14.99
    • Triple pack of slider MCB lockouts
    • Easy installation
    • Reduced price
    14 Reward Points
    Price Match Guarantee
    LT-COMBOCBL
  22. Miniature Circuit Breaker Lockout Kit (Set of 5)
    Lockout Lock logo
    Miniature Circuit Breaker Lockout Kit (Set of 5)
    (no reviews)
    £19.08 £15.90
    • Includes four MCB lockouts and a larger lockout
    • Great value
    • Screw into place
    15 Reward Points
    Price Match Guarantee
    LT-COMBO5
  23. Kewtech KEWLOK Lock Out Device - Fits Most MCBs
    Kewtech logo
    In Stock
    Kewtech KEWLOK Lock Out Device - Fits Most MCBs
    (2)
    £20.39 £16.99
    • Lockout device for MCBs and toggle switches
    • Combination lock
    • Prevents re-energisation during maintenance
    16 Reward Points
    Price Match Guarantee
    KEWLOK
  24. Lockout Lock LT-FHL-WGT Fuse Holder Lockout - Wide Grip Type
    Lockout Lock logo
    Lockout Lock LT-FHL-WGT Fuse Holder Lockout - Wide Grip Type
    (no reviews)
    £21.58 £17.98
    • Nylon plastic with ZP metal set screw
    • Prevent un-intended energisation
    • Wide grip type
    17 Reward Points
    Price Match Guarantee
    LT-FHL-WGT

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About Circuit Breaker Lockouts

Need an effective way of locking out access to a circuit breaker during routine maintenance or as part of your Lockout Tagout programme? Our range of circuit breaker lockouts cater to all types of breakers ranging from MCBs to large sizes, are easy to install, and completely prevent access when installed.

But why should you lock out a breaker? Simple - it can save lives and prevent accidents. If breakers that are part of important systems are left powered on, or accidentally switched on when workers are completing a job on machinery, there is a serious risk of injury - and in the worst-case scenario - death.

Locking out prevents this from happening. By installing our lockouts, workers are protected at all times from harm, as the breaker's switch remains fixed in place and is impossible to activate until an authorised person removes the installation.

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