Master Lock
Master Lock
Safety Solutions™ Worldwide
Products
Safety Padlocks
Padlock Accessories & Identification
Lockout Hasps
Valve Lockouts
Electrical Lockouts
Pneumatic Lockout
Steering Wheel Covers
Confined Space Covers
Blind Flange Lockout
Cable Lockout
Aviation Safety Lockout
Guardian Extreme Signs and Tags
Signs, Tags and Tag Stations
Group Lock Boxes
Compliance Centers
Lockout Kits
Padlock Stations
Lockout Stations
Compact Lockout Stations
         
New Products
Product Support
Where to Buy
Consulting Services
Customer Support - USA
Customer Support - Global
About Master Lock Safety
Master Lock Product Search
Three Ways to Search
Application
GO
Product Category
GO
Product Number
GO


home  products   Electrical Lockouts   Circuit Breaker Lockout

Electrical Lockouts

Circuit Breaker Lockout
491B - Grip Tight™ Circuit Breaker Lockout
Grip Tight™ Circuit Breaker Lockout
  • See video of how it works!
  • Fits wide or tall breaker toggles typically found on hi-voltage/hi-amperage breakers
  • Innovative patented Grip Tight™ design effectively locks out circuit breakers
  • Adjust to breaker with simple thumb turn and then close clamping handle for a tight grip on the toggle
  • Great strength with univeral fit
  • Compact device is easy to carry and easy to store
  • Accepts all American Lock and Master Lock safety padlock shackles and lockout hasp diameters
  • Durable construction with powder coated steel and reinforced polymer for operation in harsh environments
  • Master carton qty 24. Commercial packaging
  •    
    Price: $10.65  
    Enter a quantity  

    493B - Grip Tight™ Circuit Breaker Lockout
    Grip Tight™ Circuit Breaker Lockout
  • See video of how it works!
  • Fits standard height and tie-bar toggles typically found on 120 and 240 volt breakers
  • Innovative patented Grip Tight™ design effectively locks out circuit breakers
  • Adjust to breaker with simple thumb turn and then close clamping handle for a tight grip on the toggle
  • Great strength with univeral fit
  • Compact device is easy to carry and easy to store
  • Accepts all American Lock and Master Lock safety padlock shackles and lockout hasp diameters
  • Durable construction with powder coated steel and reinforced polymer for operation in harsh environments
  • Master carton qty 24. Commercial packaging
  •    
    Price: $7.95  
    Enter a quantity  

    506 - Grip Tight™ Circuit Breaker Lockout
    Grip Tight™ Circuit Breaker Lockout
  • Fits virtually all circuit breakers you will find in a lockout situation
  • Includes one 491B and one 493 Grip Tight™ circuit breaker lockouts
  • Grip Tight™ circuit breakers work with simple thumb turn and clamping handle
  • Innovative patented Grip Tight™ design effectively locks out circuit breakers
  • Adjust to breaker with simple thumb turn and then close clamping handle for a tight grip on the toggle
  • Great strength with univeral fit
  • 491B fits wide or tall breaker toggles typically found on hi-voltage/hi=amperage breakers
  • 493B fits standard height and tie-bar toggles typically found on 120 and 240 volt breakers
  • Compact device is easy to carry and easy to store
  • Accepts all American Lock and Master Lock safety padlock shackles and lockout hasp diameters
  • Durable construction with powder coated steel and reinforced polymer for operation in harsh environments
  • Master carton qty 24. Commercial packaging
  •    
    Price: $18.34  
    Enter a quantity  

    S2390 - Miniature Circuit Breaker Lockout (Black Tab) - Standard Toggles)
    Miniature Circuit Breaker Lockout (Black Tab) - Standard Toggles)
  • Locks out most miniature ISO/DIN circuit breakers througout the world
  • Fits breakers with toggle openings 7/16" (11mm) or less
  • Works with all Master Lock and American Lock safety padlocks and hasps
  • Patented
  • Master carton qty 1. Commercial packaging.
  •    
    Price: $8.43  
    Enter a quantity  

    S2391 - Miniature Circuit Breaker Lockout (Red Tab) - Wide Toggles)
    Miniature Circuit Breaker Lockout (Red Tab) - Wide Toggles)
  • Locks out most miniature ISO/DIN circuit breakers througout the world
  • Fits breakers with toggle openings 7/16" (11mm) to 1/2" (13mm)
  • Works with all Master Lock and American Lock safety padlocks and hasps
  • Patented
  • Master carton qty 144. Commercial packaging.
  •    
    Price: $8.43  
    Enter a quantity  

    S2392 - Miniature Circuit Breaker Lockout (Pins Inward)
    Miniature Circuit Breaker Lockout (Pins Inward)
  • Locks out many miniature ISO/DIN circuit breakers througout the world
  • Fits breakers with lockout holes on the outside of the switch
  • Fits openings up to 12.7mm between lockout holes
  • Works with all Master Lock and American Lock safety padlocks and hasps
  • Patented
  • Master carton qty 144. Commercial packaging.
  •    
    Price: $8.43  
    Enter a quantity  

    S2393 - Universal Miniature Circuit Breaker Lockout
    Universal Miniature Circuit Breaker Lockout
  • Locks out virtually all miniature ISO/DIN circuit breakers throughout the world
  • Fits on breakers toggle and can be tightened using screwdriver
  • Works with all Master Lock and American Lock safety padlocks and hasps
  • Small screwdriver not included
  • Master carton qty 1. Commercial packaging.
  •    
    Price: $8.43  
    Enter a quantity  

    S2394 - Miniature Circuit Breaker Lockout Device
    Miniature Circuit Breaker Lockout Device
  • See video of how it works!
  • Locks virtually all miniature ISO/DIN circuit breakers throughout the world
  • Thumb turn dial screw for easy attachment - no tools required!
  • Dial is inaccessible in the locked position to prevent removal
  • Padlock can be applied horizontally or vertically
  • Can be mounted side-by-side on adjacent miniature circuit breakers
  • Durable thermoplastic material is chemical resistant and performs effectively in extreme environments
  • Works with all American Lock® and Master Lock® Safety padlocks and lockout hasps (does not include ALO80 or ALO802)
  • Master carton qty 144. Commercial packaging.
  •    
    Price: $13.77  
    Enter a quantity  



    Product Support
    How to Choose A
    Safety Padlock


    How to Register A
    Keying System

    Care &
    Maintenance

    Installation Instructions

    Custom Padlock Marking

    Life Testing – Guardian Extreme Tags & Signs

    Designing Custom Tags & Signs

    Master Lock Safety Solutions Master Lock Safety Solutions Sweepstakes