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Grip Tight™ Circuit Breaker Lockout

Master Lock® offers innovative, devices for the effective lockout of electrical shut-off points, including circuit breakers, electrical plugs and wall switches.

Great Hold Strength Combined with Universal Fit

  • Secure and simple mounting for a solid lockout. Grips tight with simple thumb screw and clamping handle
  • Exclusive design accommodates virtually all styles of breaker toggles
  • Narrow profile permits side-by-side breaker lockout
  • Both devices accept all American Lock® and Master Lock® safety padlock shackle and lockout hasp diameters
  • Durable construction with powder coated steel and reinforced polymer allows operation in harsh environments
491B 493B
491B 493B
493B 491B real pic

Reference

Product number Description Size
491B Circuit Breaker lockout – tall and wide toggles 32 x 26 x 86 mm
493B Circuit Breaker lockout – std. single and double toggles 19 x 19 x 72 mm
506 Set of each device – one 491B and one 493B