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  • Master Lock 493B Grip Tight Circuit Breaker Lockout, Standard Toggle
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Master Lock 493B Grip Tight Circuit Breaker Lockout, Standard Toggle

4.6 out of 5 stars (1,258)
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About this item

  • Combines with a padlock (sold separately) to keep individual circuit breakers in the off position during maintenance or repair projects
  • Tightens with thumbscrew then clamps down for firm grip on most circuit breaker sizes
  • Powder coated steel and reinforced polymer materials are durable and resist corrosion
  • Limited lifetime warranty
› See more product details

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This item: Master Lock 493B Grip Tight Circuit Breaker Lockout, Standard Toggle
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From the manufacturer

Product information

Technical Details

Manufacturer ‎Master Lock
Place of Business ‎Mississauga, ON L5L 5Z9, CA
Part number ‎493B
Item Weight ‎50 g
Product Dimensions ‎3.81 x 21.34 x 21.59 cm; 50 g
Item model number ‎493
Is discontinued by manufacturer ‎No
Size ‎Standard Toggle
Colour ‎Red
Style ‎Circuit Breaker Lockout
Finish ‎Powder Coated
Material ‎steel
Voltage ‎240 Volts
Item Package Quantity ‎1
Mounting Type ‎Panel Mount
Batteries Included? ‎No
Batteries Required? ‎No
Length ‎1.5 inches
Width ‎8.4 inches
Height ‎8.5 inches

Additional Information

ASIN B004J173I8
Customer Reviews
4.6 out of 5 stars (1,258)

4.6 out of 5 stars
鶹 Rank
Date First Available Nov. 1 2011

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Master Lock 493B Grip Tight Circuit Breaker Lockout, Standard Toggle

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Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 3.81 x 21.34 x 21.59 cm; 50 g
  • Date First Available ‏ : ‎ Nov. 1 2011
  • Manufacturer ‏ : ‎ Master Lock
  • Place of Business ‏ : ‎ Mississauga, ON L5L 5Z9, CA
  • ASIN ‏ : ‎ B004J173I8
  • Item model number ‏ : ‎ 493
  • Country of origin ‏ : ‎ China
  • 鶹 Rank: #2,399 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Customer Reviews:
    4.6 out of 5 stars (1,258)

Product description

The Master Lock Grip Tight circuit breaker lockout is a red powder coated steel and reinforced polymer locking clamp that tightens with a thumbscrew then clamps down for a firm grip on most circuit breaker sizes and combines with a padlock (sold separately) to keep individual circuit breakers in the off position for safety during maintenance or repair projects. The clamping arm covers the thumbscrew to help prevent inadvertent loosening and has a locking hole that provides the ability to temporarily prohibit access to the circuit breaker with a padlock. The locking hole accommodates all American Lock Safety Lockout and Master Lock Safety Series padlock shackles and lockout hasp diameters. When used according to manufacturer's recommendations, this product is covered by a limited lifetime warranty against defects in workmanship or materials. Circuit breaker lockouts can be used as part of a safety procedure known as lockout-tagout (LO/TO), usually required at facilities where multiple workers need access to a circuit breaker panel (or distribution board). LO/TO, as defined by Occupational Safety and Health Administration (OSHA), requires that lockout devices be durable and standardized. Lockout devices use color, warning labels or tags, and a physical barrier to temporarily prohibit machine operation or power activation, and reduce accidents, during maintenance or repair. Circuit breaker lockouts are used to keep the electricity off in a specific circuit by securing the circuit breaker toggle switch in the off position. They consist of a lockable clamp or hasp to immobilize an individual circuit breaker switch. Some use lockout holes in the breaker toggle switches to help prevent a switch from moving, while others clamp tightly over the switch to deter manual operation. Master Lock manufactures padlocks, combination locks, and related security products. The company, founded in 1921, is headquartered in Milwaukee, WI.

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Product Summary: Master Lock 493B Grip Tight Circuit Breaker Lockout, Standard Toggle

From Master Lock

4.6 out of 5 stars, 1,258 ratings

Customer reviews

100+ viewed in past month

Price

No featured offers available

Other sellers

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About this Item

  • Combines with a padlock (sold separately) to keep individual circuit breakers in the off position during maintenance or repair projects
  • Tightens with thumbscrew then clamps down for firm grip on most circuit breaker sizes
  • Powder coated steel and reinforced polymer materials are durable and resist corrosion
  • Limited lifetime warranty

Product description

The Master Lock Grip Tight circuit breaker lockout is a red powder coated steel and reinforced polymer locking clamp that tightens with a thumbscrew then clamps down for a firm grip on most circuit breaker sizes and combines with a padlock (sold separately) to keep individual circuit breakers in the off position for safety during maintenance or repair projects. The clamping arm covers the thumbscrew to help prevent inadvertent loosening and has a locking hole that provides the ability to temporarily prohibit access to the circuit breaker with a padlock. The locking hole accommodates all American Lock Safety Lockout and Master Lock Safety Series padlock shackles and lockout hasp diameters. When used according to manufacturer's recommendations, this product is covered by a limited lifetime warranty against defects in workmanship or materials. Circuit breaker lockouts can be used as part of a safety procedure known as lockout-tagout (LO/TO), usually required at facilities where multiple workers need access to a circuit breaker panel (or distribution board). LO/TO, as defined by Occupational Safety and Health Administration (OSHA), requires that lockout devices be durable and standardized. Lockout devices use color, warning labels or tags, and a physical barrier to temporarily prohibit machine operation or power activation, and reduce accidents, during maintenance or repair. Circuit breaker lockouts are used to keep the electricity off in a specific circuit by securing the circuit breaker toggle switch in the off position. They consist of a lockable clamp or hasp to immobilize an individual circuit breaker switch. Some use lockout holes in the breaker toggle switches to help prevent a switch from moving, while others clamp tightly over the switch to deter manual operation. Master Lock manufactures padlocks, combination locks, and related security products. The company, founded in 1921, is headquartered in Milwaukee, WI.
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