Electrical Lockout Devices
Complete electrical supplies including wire and cable, conduit, fittings, boxes, panels, breakers, switches, receptacles, lighting, and electrical components for residential, commercial, and industrial installations.
Buying Guide: How to Choose Lockout & Tagout Kits
Match lockout kits to your energy sources, crew size, lock ownership model, and OSHA 1910.147 workflow.
159 products

Wide Compatibility: Designed for circuit breakers with handle thickness ≤0.67 inch (17mm) and width ≤1.89 inch (48mm), offering broad applicability. Durable ABS Construction: Made from ABS engineering plastic with good impact resistance and insulation, suitable for harsh environments. Adjustable Baffle: Equipped with an adjustable baffle at the bottom, allowing adjustment based on the circuit breaker handle's stroke for different switch locking. Easy Locking Mechanism: Can be fixed by rotating the screw rod clockwise by hand, with metal tooth block design for secure locking. Padlock Compatibility: Features a 0.3 inch (7.5mm) lock hole, compatible with any safety padlock or hasp for multi-person lockout.

This circuit breaker lockout device provides a tool-free method for securing handles up to 0.47 inches thick by 0.65 inches wide, suitable for breakers rated up to 250A. Constructed from durable nylon, its clamp-style design ensures a secure fit without the need for additional tools, facilitating compliance with lockout/tagout (LOTO) procedures. The device meets relevant industry safety standards for electrical lockouts. Each package contains 24 units for multi-point isolation requirements.

This circuit breaker lockout device secures breakers with handles up to 0.91 inches wide and 0.59 inches thick, ensuring a precise fit for common industrial models. Constructed from durable nylon, it provides reliable, non-conductive protection during maintenance. The device meets relevant industry standards for lockout/tagout (LOTO) procedures, helping to enforce critical safety compliance. Each package contains five units for multi-point isolation on a single system.

This circuit breaker lockout device provides a secure, non-conductive method for isolating electrical equipment during maintenance. Constructed from durable nylon, it is designed for breakers with handles up to 1.65 inches wide. The clamp-style mechanism installs quickly without tools, ensuring compliance with lockout/tagout (LOTO) procedures. Each unit meets relevant industry safety standards and is sold in a convenient 100-piece package for facility-wide use.

This circuit breaker lockout device is constructed from durable nylon and is designed for single-pole breakers with handles up to 0.79 inches wide. It provides a positive lockout point to isolate energy during maintenance, enhancing compliance with safety procedures. The device meets relevant industry standards for lockout/tagout (LOTO) applications. It is supplied in a bulk package quantity of 1000 units for facility-wide safety programs.

This circuit breaker lockout kit provides a tool-free solution for securing breakers with handles up to 12 inches thick by 16.5 inches wide, typically rated for 250A or less. The plastic clamp-on device installs instantly without tools, while the included insulated padlock and safety tag ensure a compliant lockout/tagout procedure. The kit meets industry standards, offering a complete, single-user package for isolating energy sources during maintenance or service to enhance workplace safety.

Precise Compatibility: Designed for circuit breakers with handle width ≤0.91 inch (23mm) and thickness ≤0.59 inch (15mm), ensuring a secure fit. Versatile Lockout Hole: Features a 0.3 inch (7.5mm) lockout hole, compatible with any safety padlock or hasp for multi-person lockout. Adjustable Baffle: Equipped with an adjustable baffle at the bottom, allowing adjustment based on the circuit breaker handle's stroke length for use with different brand switches. Durable Construction: Made from high-quality materials, ensuring durability and reliability for circuit breaker lockout applications. Comprehensive Lockout Solution: Enables effective locking of circuit breakers to prevent unauthorized operation during maintenance or repair.

Reinforced PA Nylon Circuit Breaker Lockout providing secure lockout protection in a Pkg Qty 12 configuration for industrial environments. This lockout device is engineered with durable PA nylon to support secure operation, offering features such as compact design and easy installation, ensuring reliable safety performance in electrical safety applications. The Pkg Qty 12 configuration is ideal for bulk use in industrial environments, offering convenience and efficiency for high-usage scenarios where multiple units are required.

Application Compatibility: Suitable for standard single and double pole toggle switches, enabling lockout of 480/600V circuit breaker switches. Durable ABS Construction: Made from high-strength ABS material, offering excellent insulation and corrosion resistance. Simple Locking Mechanism: Features an easy-to-use manual adjustment and clamping mechanism for secure locking. Medium Size Design: Tailored for medium-sized circuit breaker switches, providing a comprehensive lockout solution for standard applications. Reliable Lockout: Effectively prevents unauthorized operation of circuit breakers, ensuring safety during maintenance or repair.

Wide Compatibility: Designed for wide double pole toggle switches, suitable for locking out 480/600V circuit breaker switches. Durable ABS Construction: Made from high-strength ABS material, featuring excellent insulation and corrosion resistance. Simple Locking Mechanism: Features an easy-to-use manual adjustment and clamping mechanism for secure locking. Large Size Design: Suitable for larger circuit breaker switches, providing a comprehensive lockout solution for high-width applications. Reliable Lockout: Provides an effective means to lock out circuit breakers, preventing unauthorized operation during maintenance or repair.

This clamp-on breaker lockout provides a secure, non-conductive solution for locking out 480/600V circuit breakers. Constructed from durable nylon, it offers electrical insulation and resistance to corrosion. The one-size design fits most standard breakers, ensuring versatile application across a facility. Each package contains two locks, facilitating group lockout procedures in compliance with industry safety standards for electrical maintenance and servicing.

This clamp-on circuit breaker lockout device is constructed from durable nylon and is designed for molded case circuit breakers with handles up to 2.83 inches wide. It provides a secure, non-conductive lockout point to meet industry safety standards for electrical maintenance. The package includes one clamp-on lock, one padlock, and one safety tag for clear identification. This solution ensures compliance with lockout/tagout (LOTO) procedures by preventing the accidental energization of equipment during service.

This copper BNC female to N male adapter facilitates reliable RF signal transmission across industrial communication systems. Constructed from high-conductivity copper, the 6.56 ft assembly ensures minimal signal loss and superior durability in demanding environments. The connector interfaces strictly adhere to established industry standards for consistent performance and compatibility. Designed for seamless integration, this component supports robust data integrity within complex electrical infrastructures. Each package contains ten units, providing an efficient supply solution for large-scale deployment and maintenance operations requiring precise impedance matching.

This dual-use circuit breaker lock is constructed from durable nylon and is designed to secure both miniature and molded case circuit breakers with handle thicknesses up to 11mm (approximately 0.43 inches). It provides a reliable, standardized lockout point to meet industry safety procedures during maintenance. The one-size design simplifies inventory, and its non-conductive material offers an additional layer of protection for personnel working on electrical systems.

This E15A steel lockout device secures miniature circuit breakers and small air switches during maintenance, ensuring compliance with safety procedures. Its durable steel construction provides reliable, long-term use in industrial environments. The compact design fits standard breaker toggles, effectively preventing accidental or unauthorized operation. Each package contains five individual locks to outfit multiple points in an electrical panel.

Compatible with cables of diameters Φ0.37in, 0.41in, 0.45in, 0.47in, and 0.72in (9.5mm, 10.4mm, 11.4mm, 12mm, 18.2mm). Designed for electrical and pneumatic plug lockout applications. Supports multiple safety padlocks for collective lockout. High-visibility red color with "DANGER - LOCKED OUT DO NOT OPERATE" label. Durable construction for reliable lockout-tagout (LOTO) in industrial environments.
This panel-mount electrical lockout device features a robust steel construction designed for durable industrial applications. With a compact 1.5-inch profile, it effectively isolates power sources to ensure compliance with safety regulations during maintenance procedures. The unit is engineered for straightforward installation on standard electrical panels, providing a secure physical barrier against accidental energization. Supplied in convenient packages of 50, these devices offer an efficient solution for large-scale facility safety programs requiring reliable, high-volume lockout/tagout equipment.
This electrical lockout device secures 5/8-inch steel circuit breakers to ensure compliance with safety protocols during maintenance. Constructed from durable steel, the unit withstands harsh industrial environments while providing a robust barrier against accidental re-energization. The design facilitates easy installation and clear visual identification of locked-out equipment, significantly reducing workplace electrical hazards. Supplied in convenient packages of 50, these devices offer an efficient solution for large-scale facility safety programs requiring consistent, reliable isolation of power sources across multiple breaker panels.

This electrical plug lockout device secures standard and industrial plugs during maintenance, preventing accidental re-energization. Constructed from durable plastic, it fits plug apertures ranging from 0.37 to 0.72 inches (9.5-18.2mm). The design meets relevant industry safety standards for lockout/tagout (LOTO) procedures. Each package contains six devices to outfit multiple points in your safety program.

Suitable for various electrical plugs (max diameter 3.50in, max length 5.00in) and air hose male threaded fittings. Holes on the lock can secure cables or lock downward-bending pneumatic male threaded accessories. Compatible with 110V/220V/550V plugs, offering wide voltage range applicability. Made of polystyrene material, ensuring durability and reliability. Designed for electric and pneumatic plug lockout, meeting diverse industrial safety needs.

Wide Handle Compatibility: Designed for circuit breakers with handle width ≤2.83 inch (72mm), ensuring a secure fit for extra large applications. Durable Material 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.

Wide Compatibility: Suitable for standard single and double pole circuit breaker switches, with a design applicable to most circuit breaker switch types. Simple and Reliable Locking: Features an easy-to-use manual adjustment and clamping mechanism for secure locking. Compact Design: Narrow design allows for side-by-side and tight stacking, saving space during storage and use. Portable and Lightweight: Lightweight construction makes it easy to carry and store. Durable Construction: Made from powder-coated steel and reinforced polymer, suitable for harsh environments, and compatible with all MasterLock safety padlocks and hasps.

Suitable for 6~125A industrial waterproof plugs, offering wide current range compatibility. Made of ABS engineering plastic, durable and heat-resistant from -20℃ to +90℃. Compact and lightweight design, applicable to various industrial waterproof plugs. Tool-free operation, enabling quick locking of different types and sizes of industrial plugs. Can be used with padlocks and hasps for collective lockout management, ideal for industrial, chemical, and flammable-explosive environments.

Designed for medium-sized industrial plugs, ensuring precise fit. Made of engineering PP material, providing durability and strength. Waterproof design, suitable for harsh industrial environments. Supports multiple padlocks simultaneously via the hasp for collective lockout. High-visibility red color with clear "DANGER" label for safety awareness.