Circuit Breaker Lockouts

  1. Miniature Circuit Breaker Lockout w/ Wide Pins
    Lockout Lock logo
    In Stock
    Miniature Circuit Breaker Lockout w/ Wide Pins
    (1)
    £5.10 £4.25
    • Wide pins that point outwards
    • Slides easily into an MCB
    • Space for one padlock
    4 Reward Points
    Price Match Guarantee
    LT-PINOUTWIDECBL
  2. Lockout Lock LT-PB-MPCBL Push Button Motor Protection Circuit Breaker Lockout Device
    Lockout Lock logo
    Lockout Lock LT-PB-MPCBL Push Button Motor Protection Circuit Breaker Lockout Device
    (no reviews)
    £5.40 £4.50
    • Made of ABS
    • Tool-free
    • Easy operation
    4 Reward Points
    Price Match Guarantee
    LT-PB-MPCBL
  3. Lockout Lock Single-Pole Breaker Lockout
    Lockout Lock logo
    Lockout Lock Single-Pole Breaker Lockout
    (no reviews)
    £5.52 £4.60
    • Constructed from a rugged polycarbonate material
    • Optimised for use with single-pole circuit breakers without recessed holes
    • Fits up to ½” wide circuit breaker toggles without recessed holes
    4 Reward Points
    Price Match Guarantee
    LT-SPL
  4. MCB Circuit Breaker Lockout - Yellow
    Lockout Lock logo
    MCB Circuit Breaker Lockout - Yellow
    (no reviews)
    £5.63 £4.69
    • Yellow colouring
    • Integrated warning label
    • Tighten using screwdriver
    4 Reward Points
    Price Match Guarantee
    LT-MCBL-Y
  5. Lockout Lock 4-Way Fuse Blocker
    Lockout Lock logo
    In Stock
    Lockout Lock 4-Way Fuse Blocker
    (no reviews)
    £5.64 £4.70
    • Blocks spaces from which fuses have been removed preventing their re-insertion
    • Compatible with 1/ 4”, 9/32”, 13/32” and 9/16” fuses
    • Includes space for the attachment of a safety tag including identification and/or instruction information
    4 Reward Points
    Price Match Guarantee
    LT-FB-4W
  6. Lockout Lock ABB Circuit Breaker Lockout
    Lockout Lock logo
    In Stock
    Lockout Lock ABB Circuit Breaker Lockout
    (no reviews)
    £5.82 £4.85
    • Can lock out single or multi-pole RCCBs in either the ‘on’ or ‘off’ position
    • Secure using a non-conductive padlock
    • Accommodates padlocks with a shackle diameter between 3-6mm
    4 Reward Points
    Price Match Guarantee
    LT-ABB-CBL
  7. Lockout Lock Top Slide Single Pole Breaker Lockout
    Lockout Lock logo
    Lockout Lock Top Slide Single Pole Breaker Lockout
    (no reviews)
    £5.88 £4.90
    • Slides over switches in the ‘off’ position and is secured using a padlock (NOT included)
    • Easy-to-use
    • Compatible with most leading brand, single-pole breakers
    4 Reward Points
    Price Match Guarantee
    LT-TS-SPBL
  8. Martindale LOK7 Slimline Miniature Circuit Breaker Lockout
    Martindale logo
    Lead Time: 1-6 Days
    Martindale LOK7 Slimline Miniature Circuit Breaker Lockout
    (no reviews)
    £5.99 £4.99
    • Unique, slim lockout for miniature circuit breakers
    • Secures an MCD switch in place to prevent operation
    • Attach a padlock to prevent removal
    4 Reward Points
    Price Match Guarantee
    MARLOK7
  9. Siemens MCB Circuit Breaker Lockout - Green
    Lockout Lock logo
    Only 1 In Stock
    Siemens MCB Circuit Breaker Lockout - Green
    (no reviews)
    £5.99 £4.99
    • Completely prevent access to Siemens miniature circuit breakers
    • Easy to install - all you need is a padlock and a screwdriver
    • Suitable for single and multi-pole breakers
    4 Reward Points
    Price Match Guarantee
    LT-MCBL-GS
  10. Miniature Circuit Breaker Lockout w/ Outer Pins
    Lockout Lock logo
    Miniature Circuit Breaker Lockout w/ Outer Pins
    (1)
    £6.11 £5.09
    • Pins that point outwards
    • Slides into an MCB
    • Space for one padlock
    5 Reward Points
    Price Match Guarantee
    LT-PINOUTCBL
  11. Lockout Lock Multi Pole Breaker Lockout
    Lockout Lock logo
    Lockout Lock Multi Pole Breaker Lockout
    (no reviews)
    £6.72 £5.60
    • Secures 120/227V, multi-pole circuit breakers
    • Compatible circuit breakers must be connected to a crossbar
    • Body constructed from a rugged polycarbonate material

    5 Reward Points
    Price Match Guarantee
    LT-MPBL
  12. Yellow Miniature Circuit Breaker Lockout with Twisting Screw
    Lockout Lock logo
    In Stock
    Yellow Miniature Circuit Breaker Lockout with Twisting Screw
    (no reviews)
    £7.15 £5.96
    • Easy to apply - no tools required
    • Locks out access to a MCB switch
    • Space for one padlock
    5 Reward Points
    Price Match Guarantee
    LT-MCBL-Y-TS
  13. Slider Miniature Circuit Breaker (MCB) Lockout - Pin In
    Lockout Lock logo
    Slider Miniature Circuit Breaker (MCB) Lockout - Pin In
    (no reviews)
    £7.20 £6.00

    Slider device secures MCBs in place and prevents operation. Space for one padlock. Easy installation.

    6 Reward Points
    Price Match Guarantee
    LT-SPICBL
  14. Masterlock S2390 Miniature Circuit Breaker Lockout w/ Toggle Choice
    MasterLock logo
    Masterlock S2390 Miniature Circuit Breaker Lockout w/ Toggle Choice
    (no reviews)
    £7.31 £6.09
    • Four different sizes available
    • Easy install
    • High quality Master Lock product
    6 Reward Points
    Price Match Guarantee
    ML-S2390
  15. Universal Yellow Miniature Circuit Breaker Lockout with Twister Screw
    Lockout Lock logo
    In Stock
    Universal Yellow Miniature Circuit Breaker Lockout with Twister Screw
    (no reviews)
    £7.68 £6.40
    • Universal compatibility with MCBs
    • Easy to install with hand-operable twisting screw
    • Space for attaching one padlock
    6 Reward Points
    Price Match Guarantee
    LT-MCBL-YU-TS
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. Lockout Lock Operating Tool for Round Fuse Holder Lockouts/ Dummies
    Lockout Lock logo
    1 Option in Stock
    Lockout Lock Operating Tool for Round Fuse Holder Lockouts/ Dummies
    (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

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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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