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Electrical Lockout Devices

Electrical lockout devices are a direct bridge between compliance and installed hardware. Buyers need to identify breaker style, plug format, panel clearance, lock point, and padlock compatibility before choosing a device.

Procurement Guide

How Buyers Should Source Electrical Lockout Devices

Electrical lockout devices are a direct bridge between compliance and installed hardware. Buyers need to identify breaker style, plug format, panel clearance, lock point, and padlock compatibility before choosing a device.

What to Compare

  • Identify the electrical isolation point first: breaker, plug, switch, panel, or multi-point electrical setup.
  • Confirm device fit against breaker dimensions, plug size, cord diameter, and available panel clearance.
  • Match shackle diameter, padlock count, and insulated hardware requirements to the site LOTO procedure.

Common Applications

  • Breaker lockout, plug lockout, panel shutdowns, and electrical maintenance procedures
  • Manufacturing, facilities, contractors, and machine-maintenance teams
  • LOTO standardization projects where padlocks and electrical devices must work together

RFQ Checklist

  • Record breaker or plug dimensions, lock points, and required number of locks.
  • Confirm padlock shackle diameter, color/keying policy, and insulation needs.
  • Use RFQ for site rollouts, mixed breaker families, or compatibility review.
Request a QuoteTalk to Sourcing

Use RFQ when you need cross-SKU comparison, bulk pricing, or application support.

159 products

Miniature circuit breaker lockout, model E11, small size, for pin distance up to 0.43 inch, red
Industrial|SKU: QW3567879
Miniature circuit breaker lockout, model E11, small size, for pin distance up to 0.43 inch, red

Precise Pin Distance Compatibility: Designed for miniature circuit breakers with pin distance ≤0.43 inch (11mm), ensuring a secure fit. 304 Stainless Steel Pins: Features 304 stainless steel pins, providing rust resistance and durability. 8mm Lock Hole: Equipped with a 0.31 inch (8mm) lock hole, compatible with various hasps and padlocks for multi-person lockout/tagout (LOTO) management. Secure and Stable Locking: Provides stable and reliable locking, preventing unauthorized operation of miniature circuit breakers. Easy to Use: Designed for convenient application and removal, facilitating efficient LOTO procedures.

$19.99In Stock
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Miniature Circuit Breaker Lockout, Nylon, 0.28-0.59 in Size, Pkg Qty 12
Industrial|SKU: AE0695573
Miniature Circuit Breaker Lockout, Nylon, 0.28-0.59 in Size, Pkg Qty 12

This miniature circuit breaker lockout is constructed from durable nylon and is designed to secure breakers with toggle widths between 0.28 and 0.59 inches, covering a common range for standard models. It provides a clear visual lockout point and a secure, tool-free installation to meet procedural safety requirements. The device is engineered to comply with relevant industry lockout/tagout standards. Each package contains 12 individual locks for crew deployment.

$69.99In Stock
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Miniature Circuit Breaker Lockout, Nylon, Pin Spacing ≤0.47 in, Pkg Qty 1000
Industrial|SKU: AE6896044
Miniature Circuit Breaker Lockout, Nylon, Pin Spacing ≤0.47 in, Pkg Qty 1000

This miniature circuit breaker lockout is constructed from durable nylon and is designed for single-pole breakers with pin spacing up to 0.47 inches. It provides a clear visual indicator of lockout status and prevents accidental re-energization during maintenance, supporting compliance with safety procedures. The device meets relevant industry standards for lockout/tagout applications and is packaged for high-volume industrial use.

$59.99In Stock
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Miniature Circuit Breaker Lockout, Nylon, Pin Spacing ≤0.47 in, Pkg Qty 300
Industrial|SKU: RG6519
Miniature Circuit Breaker Lockout, Nylon, Pin Spacing ≤0.47 in, Pkg Qty 300

This miniature circuit breaker lockout is constructed from durable nylon and is designed to secure single-pole breakers with a pin spacing of 0.47 inches or less. It provides a clear visual lockout point and prevents accidental breaker engagement during maintenance, supporting compliance with safety procedures. The device meets relevant industry standards and is supplied in a bulk package quantity of 300 units for facility-wide lockout/tagout programs.

$9.99In Stock
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Miniature & Molded Case Breaker Lockout Device, Nylon, Pkg Qty 1000
Industrial|SKU: AC5646573
Miniature & Molded Case Breaker Lockout Device, Nylon, Pkg Qty 1000

This nylon lockout device secures miniature and molded case circuit breakers during maintenance, ensuring compliance with safety procedures. Its one-size design fits a wide range of common breaker toggles, providing a universal, non-conductive solution. The durable construction meets industry lockout/tagout standards, offering a reliable hold to prevent accidental re-energization. Packaged in quantities of 1000, it supports efficient inventory management for facility-wide safety programs.

$39.99In Stock
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Mini Nylon Circuit Breaker Lockout for Wide Toggle Switches, Pkg Qty 2
Industrial|SKU: AH6621
Mini Nylon Circuit Breaker Lockout for Wide Toggle Switches, Pkg Qty 2

This mini nylon lockout device secures wide-toggle miniature circuit breakers during maintenance, ensuring compliance with lockout/tagout procedures. Its compact size fits confined panels, while the durable nylon construction resists corrosion and industrial chemicals. The outward-facing pins and wide-switch design provide a secure fit on common breaker types. Sold as a two-pack, it facilitates the locking of multiple energy sources or provides a necessary backup.

$59.99In Stock
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Molded case air circuit breaker lockout, model SK9, for 250 ampere to 400 ampere molded case circuit breakers, red
Industrial|SKU: QW3567882
Molded case air circuit breaker lockout, model SK9, for 250 ampere to 400 ampere molded case circuit breakers, red

Ampere Range Compatibility: Designed for 250A-400A molded case air circuit breakers, ensuring a secure fit for this specific amperage range. Electrical Protection Tool: Serves as an important electrical protection tool, primarily used to prevent misoperation of circuit breakers. Safety Assurance: Ensures the safety of electrical systems and personnel by preventing unauthorized operation of high-amperage circuit breakers. Durable Construction: Features a robust design suitable for industrial electrical environments, ensuring longevity and reliability. Wide Application Scope: Widely applicable to various power equipment and facilities, such as substations, power distribution systems, and generator sets.

$19.99In Stock
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Molded Case Breaker Lockout for 250A-400A, Plastic, Pkg Qty 8
Industrial|SKU: AE8315175
Molded Case Breaker Lockout for 250A-400A, Plastic, Pkg Qty 8

This plastic lockout device secures the operating handles of molded case circuit breakers rated from 250A to 400A, ensuring compliance with lockout/tagout (LOTO) procedures. Its universal one-size design fits a wide range of common breaker models, providing a reliable and visible isolation point. Constructed from durable plastic, the device meets relevant industry safety standards. The package contains eight individual lockouts for multi-point isolation or team use.

$89.99In Stock
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Molded Case Breaker Lockout for Handles Up to 0.41 Inches, Plastic, Pkg Qty 8
Industrial|SKU: AE8315461
Molded Case Breaker Lockout for Handles Up to 0.41 Inches, Plastic, Pkg Qty 8

This plastic lockout device secures the operating handles of molded case circuit breakers with a thickness of up to 0.41 inches. Its one-size design provides a universal fit for common breakers, facilitating compliance with lockout/tagout (LOTO) procedures. Constructed from durable plastic, the device meets relevant industry safety standards. The package contains eight individual locks for securing multiple points or for use by a team.

$89.99In Stock
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Molded Case Breaker Lockout, Plastic, 0.39 in Hole Spacing, Pkg Qty 8
Industrial|SKU: AE8315008
Molded Case Breaker Lockout, Plastic, 0.39 in Hole Spacing, Pkg Qty 8

This plastic lockout device secures molded case circuit breakers with a hole spacing of 0.39 inches or less. Its durable plastic construction and inward-facing pins provide a reliable, single-person lockout for enhanced safety during maintenance. The device meets industry lockout/tagout (LOTO) standards and is supplied as an eight-pack for efficient multi-point isolation on compatible equipment.

$89.99In Stock
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Molded Case Breaker Lockout, Plastic, 100A & Below, Pkg Qty 10
Industrial|SKU: AE8315293
Molded Case Breaker Lockout, Plastic, 100A & Below, Pkg Qty 10

This plastic lockout device secures molded case circuit breakers rated up to 100A, ensuring personnel safety during maintenance. Its one-size design fits a wide range of common breaker toggles, providing a universal and cost-effective solution. Constructed from durable plastic, it meets recognized industry standards for lockout/tagout (LOTO) procedures. The device accommodates multiple padlocks for group isolation and includes a bright red tag for clear hazard identification.

$89.99In Stock
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Molded Case Circuit Breaker Lockout Device, 0.43-0.51 in, Plastic, Pkg Qty 12
Industrial|SKU: AE8315009
Molded Case Circuit Breaker Lockout Device, 0.43-0.51 in, Plastic, Pkg Qty 12

This molded case circuit breaker lockout device provides a secure method for isolating electrical equipment during maintenance. Constructed from durable plastic, it fits breakers with a mounting hole spacing of 0.43 to 0.51 inches (11-13mm). The outward-facing pins ensure a positive lock on the breaker operating handle, preventing accidental re-energization. This device is designed to meet industry lockout/tagout (LOTO) standards and is packaged as a single unit for individual application.

$79.99In Stock
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Molded Case Circuit Breaker Lockout Kit, Nylon, Pkg Qty 5
Industrial|SKU: AF0491431
Molded Case Circuit Breaker Lockout Kit, Nylon, Pkg Qty 5

This molded case circuit breaker lockout kit provides a clear, standardized solution for electrical safety during maintenance. The durable nylon lockout device securely fits most common breaker toggles, preventing accidental activation. It includes a 1.5-inch insulated padlock for personal lockout and a bilingual warning tag to communicate hazard status. The five-pack configuration supports multiple personnel or points of isolation, facilitating compliance with lockout/tagout procedures for enhanced workplace safety.

$89.99In Stock
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Molded Case Circuit Breaker Lockout, Nylon, 1 Size, Pkg Qty 100
Industrial|SKU: AE6896058
Molded Case Circuit Breaker Lockout, Nylon, 1 Size, Pkg Qty 100

This universal molded case circuit breaker lockout is constructed from durable nylon for repeated use in industrial lockout/tagout (LOTO) procedures. Its one-size design fits a wide range of miniature and small molded case breakers, simplifying inventory. The device meets relevant industry standards for safety compliance, providing a positive physical lockout to help prevent accidental re-energization during maintenance. Each package contains 100 units for crew deployment.

$39.99In Stock
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Multifunctional circuit breaker lock, model ELCB05, red, for handle thickness up to 0.35 inch
Industrial|SKU: QW3567868
Multifunctional circuit breaker lock, model ELCB05, red, for handle thickness up to 0.35 inch

Wide Compatibility: Suitable for micro, small, and medium molded case circuit breakers with handle thickness ≤0.35 inch (9mm), providing versatile lockout. Durable Construction: Features a robust design with a red body, ensuring durability and visibility for lockout identification. Secure Locking Mechanism: Equipped with a reliable locking mechanism to prevent unauthorized operation of circuit breakers. Easy Application: Designed for convenient installation and removal, facilitating efficient lockout/tagout (LOTO) procedures. High Visibility: Red color ensures clear identification of locked-out equipment, enhancing safety in industrial environments.

$9.99In Stock
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Multifunctional small and medium circuit breaker lock, model BD D14, red, for handle thickness up to 0.35 inch
Industrial|SKU: QW3567866
Multifunctional small and medium circuit breaker lock, model BD D14, red, for handle thickness up to 0.35 inch

Precise Compatibility: Designed for small and medium circuit breakers with handle thickness ≤0.35 inch (9mm), ensuring a secure fit. Tool-Free Locking: Features a built-in locking screw, allowing for convenient locking without the need for tools. Durable Construction: Made from sturdy reinforced nylon and nickel-plated copper screws, ensuring durability and resistance to wear. Versatile Application: Suitable for various types of small and medium circuit breakers, providing a comprehensive lockout solution. High Visibility Red Color: Provides clear identification, suitable for lockout/tagout (LOTO) scenarios in industrial settings.

$9.99In Stock
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Multifunctional small circuit breaker lock, model M K21, for handle thickness up to 0.35 inch, for small and medium circuit breakers, red
Industrial|SKU: QW3567886
Multifunctional small circuit breaker lock, model M K21, for handle thickness up to 0.35 inch, for small and medium circuit breakers, red

Handle Thickness Compatibility: Designed for small and medium circuit breakers with handle thickness ≤0.35 inch (9mm), ensuring a secure fit. Durable Engineering Plastic: Made from engineering plastic nylon PA, which is not easily deformed, heat-resistant, and corrosion-resistant. User-Friendly Design: Features an easy-to-use design for convenient application and operation. Error Prevention: Helps prevent misoperations by securely locking out circuit breakers. Cost-Effective Solution: Provides an economical option for small and medium circuit breaker lockout, suitable for various applications.

$9.99In Stock
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Multi-Pole Breaker Lockout Device, Nylon, One Size, Pkg Qty 2
Industrial|SKU: AJ7345
Multi-Pole Breaker Lockout Device, Nylon, One Size, Pkg Qty 2

This multi-pole breaker lockout device provides a secure method for isolating electrical circuits during maintenance. Constructed from durable nylon, its one-size design fits most common multi-pole breakers, simplifying inventory. The device meets relevant industry safety standards for lockout/tagout procedures. Each package contains two lockout units, allowing for the simultaneous securing of multiple breakers or providing a ready spare.

$59.99In Stock
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Multi-Pole Miniature Breaker Lockout Device, Nylon, Pkg Qty 10
Industrial|SKU: AA4118794
Multi-Pole Miniature Breaker Lockout Device, Nylon, Pkg Qty 10

This multi-pole miniature breaker lockout device secures multi-pole breakers during maintenance to prevent accidental energization. Constructed from durable, non-conductive nylon, it meets industry safety standards for lockout/tagout (LOTO) compliance. The one-size design fits a wide range of common multi-pole miniature breakers, providing a versatile and reliable solution for electrical safety procedures. Sold in a convenient package quantity of ten for crew use.

$109.99In Stock
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Multi-Purpose Electrical Lockout Kit, 1.06 Inch, Metal, Pkg Qty 5
Industrial|SKU: AE1007172
Multi-Purpose Electrical Lockout Kit, 1.06 Inch, Metal, Pkg Qty 5

This multi-purpose electrical lockout kit provides a compliant solution for securing industrial equipment during maintenance. The metal construction ensures durability, and the 1.06-inch locking diameter accommodates a wide range of common breaker switches and valves. The kit includes one electrical switch lock, one padlock, and one safety tag to facilitate a group lockout procedure, meeting industry standards for safety isolation.

$99.99In Stock
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New cartridge circuit breaker lock, model BD D11X, for handle width up to 0.71 inch, red
Industrial|SKU: QW3567873
New cartridge circuit breaker lock, model BD D11X, for handle width up to 0.71 inch, red

Precise Compatibility: Designed for circuit breakers with handle width ≤0.71 inch (18mm), ensuring a secure fit. Durable Construction: Made from sturdy polypropylene PP and high-strength modified nylon PA materials, ensuring longevity and resistance to wear. Innovative Blade Design: Features a new blade-type design, requiring less force on the special-shaped screw while achieving a tighter fit. Secure Base and Clamp: The base can easily clamp the bottom of the switch body, and the slidable long clamp ensures the circuit breaker is securely locked. High Visibility Red Color: Provides clear identification, suitable for lockout/tagout (LOTO) scenarios in industrial settings to easily spot locked-out equipment.

$9.99In Stock
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New cartridge circuit breaker lock, model BD D12X, for handle width up to 1.65 inch, red
Industrial|SKU: QW3567871
New cartridge circuit breaker lock, model BD D12X, for handle width up to 1.65 inch, red

Precise Compatibility: Designed for circuit breakers with handle width ≤1.65 inch (42mm), ensuring a secure fit. Durable Construction: Made from sturdy polypropylene PP and high-strength modified nylon PA materials, ensuring longevity and resistance to wear. Innovative Blade Design: Features a new blade-type design, requiring less force on the special-shaped screw while achieving a tighter fit. Secure Base and Clamp: The base can easily clamp the bottom of the switch body, and the slidable long clamp ensures the circuit breaker is securely locked. High Visibility Red Color: Provides clear identification, suitable for lockout/tagout (LOTO) scenarios in industrial settings to easily spot locked-out equipment.

$9.99In Stock
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Nylon Circuit Breaker Lockout Device for 0.39 in Breakers, Pkg Qty 2
Industrial|SKU: AE2220359
Nylon Circuit Breaker Lockout Device for 0.39 in Breakers, Pkg Qty 2

This nylon circuit breaker lockout device secures breakers up to 0.39 inches thick and 0.67 inches high, ensuring compliance with lockout/tagout (LOTO) procedures. Its durable nylon construction provides reliable insulation and resistance to industrial environments. The device is designed for a universal fit on standard circuit breakers and meets common industry safety standards. Sold as a two-pack, it facilitates the simultaneous locking of multiple energy sources for comprehensive worksite safety.

$59.99In Stock
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Nylon Circuit Breaker Lockout Device for Mini Breakers, Clamps ≤0.39 in, Pkg Qty 1000
Industrial|SKU: AA7267735
Nylon Circuit Breaker Lockout Device for Mini Breakers, Clamps ≤0.39 in, Pkg Qty 1000

This nylon lockout device secures miniature circuit breakers with a clamping thickness of up to 0.39 inches. Its manual-tightening screw provides a fast, tool-free installation for efficient safety compliance. Constructed from durable nylon, it is designed for repeated use in electrical lockout/tagout procedures. The device meets relevant industry safety standards and is supplied in a bulk package for facility-wide deployment.

$19.99In Stock
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Frequently Asked Questions

Common questions about Electrical Lockout Devices

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