Best Lockout Devices for Electrical Panels to Improve Safety
Electrical panel lockout devices are essential for meeting safety standards and protecting workers during maintenance. This guide reviews five top options designed to secure panels, prevent unauthorized access, and support compliant lockout/tagout practices across industrial and commercial settings. Each product is evaluated on compatibility, construction, ease of use, and OSHA-aligned features to help facilities choose the right solution.
| Product | Brand | Key Features | Best For |
|---|---|---|---|
| Electrical Panel Lockout Device – PS1 | Pinnacle Safety Products | Lockable mechanism on any panel door; prevents unauthorized access; enhances safety for personnel and equipment | General panel access protection |
| Master Lock Red Electrical Box Circuit Breaker Lockout, Tagout 493B | Master Lock | Grip Tight design; simple thumb turn; durable powder-coated steel; works on standard height and tie-bar toggles | Standard single/double toggle breakers |
| Panel Lockout for 12 to 36 in Panel Steel, Red | Brady | One-piece design; multiple attachment options; compact and lightweight for lockout bags | Fast installation with flexible mounting |
| AuRandoo 12 Pack Circuit Breaker Lockout Kit | AuRandoo | Clamp-On design for 120/277V; non-conductive red body; OSHA-compliant lockout tagout kit | Team lockout with multiple kits |
| PILISPARK Circuit Breaker Lockout | PILISPARK | Compact, thumb-activated lock; compatible with standard toggles; includes padlock | Compact, OSHA-compliant locking for standard panels |
Electrical Panel Lockout Device – PS1

The PS1 Electrical Panel Lockout Device from Pinnacle Safety Products provides a lockable mechanism that secures panel doors, preventing unauthorized access. Its design supports quick installation and reliable engagement, helping organizations maintain clear isolation points during maintenance and align with workplace safety programs.
Master Lock Red Electrical Box Circuit Breaker Lockout, 493B

The Master Lock 493B combines a Grip Tight design with a simple thumb turn to secure breakers. It is constructed from powder-coated steel and reinforced polymer, ensuring durability in harsh environments and compatibility with standard single and double toggles commonly found on 120V and 240V breakers.
Panel Lockout for 12 to 36 in Panel Steel, Red

Brady’s red panel lockout features a one-piece design with flexible attachment options, making it easy to install and remove. Its compact form and lightweight build support convenient storage in a lockout bag or toolbox, suitable for facilities with frequent lockout tasks.
AuRandoo 12 Pack Circuit Breaker Lockout Kit

This AuRandoo kit offers a secure clamp-on design that fits single-pole breakers and panels up to 16.5mm wide handles. The non-conductive red construction reduces risk of short circuits, and the kit includes OSHA-compliant lockout tags and a safety lock, enabling multi-point isolation for teams.
AuRandoo Circuit Breaker Lockout Kit – Single Pole

AuRandoo’s single-pole circuit breaker lockout kit uses a compact clamp-on mechanism suitable for 120/277V systems. Built with non-conductive materials, it provides a safe locking solution that fits a range of breaker panels and supports OSHA-compliant lockout/tagout procedures.
PILISPARK Circuit Breaker Lockout

PILISPARK offers a compact circuit breaker locking device designed for standard height and tie-rod toggles on 120/240V breakers. Its thumb-activated locking mechanism and included padlock support easy operation and enhanced security as part of a broader lockout/tagout program.
Buying Guide: Key Considerations For Selecting Lockout Devices
- Compatibility: Confirm the device fits the breaker types and panel sizes in your facility, including standard single and double toggles and various panel heights.
- Material and Durability: Look for non-conductive plastics or powder-coated metals that withstand industrial environments and reduce electrical hazards.
- Ease of Use: Prioritize clamp-on designs or thumb-turn mechanisms that allow quick and reliable locking, even in tight panel spaces.
- OSHA and Standards Alignment: Ensure kits include OSHA-compliant lockout/tagout tags and multiple-point isolation options when needed.
- Team Lockout Capabilities: For facilities with multiple workers, consider multi-pack kits and system-compatible padlocks to support group lockout procedures.
- Portability and Storage: A compact, well-organized lockout bag or kit helps teams carry tools to job sites and maintain organized tagging.
- Maintenance and Replacement: Check if components are readily replaceable (pads, tags, locks) to minimize downtime and keep procedures up to date.
- Cost vs Coverage: Assess total cost per point of isolation, including pads, tags, and bags, to determine the best value for your operation.
- Vendor Support: Consider manufacturer support, warranties, and clear installation instructions to reduce troubleshooting during rollouts.
