Master Lock 1457E410KA Lockout Tagout Group Kit - Electrical LOTO

In this review of the Master Lock 1457E410KA Lockout Tagout Group Lockout Kit, the bottom line is simple: it is a compact, electrical-focused lockout kit best suited for individual workers or small teams who need a ready-to-use OSHA-minded kit. The kit's single biggest reason to buy is the organized, ultra-durable carrying case that keeps multiple non-conductive padlocks and common electrical lockout devices together so a technician can secure circuits and switches quickly. The review looks at build, included devices and practical use on job sites where electrical isolation is the priority.

Key Features

• Organized carrying case: The S1017 safety case holds the kit components securely and protects devices from shop wear so everything stays ready for use.
• Electrical focus: The included circuit breaker and switch lockouts are tailored for electrical lockout applications, making common electrical isolation tasks faster and more reliable.
• Non-conductive padlocks: The Zenex thermoplastic 410RED padlocks provide a lightweight, non-conductive body that reduces risk when working around energized equipment.
• Keyed-alike convenience: The three 410RED padlocks are supplied keyed alike so a single key operates multiple locks for quick reentry by the authorized user.
• Varied lockout devices: The kit includes hasps, circuit breaker lockouts, a switch cover and Danger tags, which together address several common lockout scenarios without needing extra purchases.

Who It's For

This kit is ideal for individual electricians, maintenance techs, and small maintenance crews who perform frequent electrical lockouts and prefer a single, portable solution. It is particularly useful where non-conductive padlocks and compact circuit breaker lockouts are required as part of a facility level lockout tagout program.

Those who need large-scale plant deployment, master key control across many users, or extensive valve and machinery lockouts should look for a larger, more comprehensive kit or a fully configurable program instead of this single group kit.

Pros & Cons

Pros

• Durable carrying case keeps devices organized and protected for regular jobsite use.
• Includes multiple electrical lockout devices and hasps to cover common circuit and switch isolation tasks.
• Non-conductive, lightweight thermoplastic padlocks help reduce electrical hazard concerns.
• Keyed-alike padlocks simplify key management for an individual user.

Cons

• Kit is focused on electrical lockout and may lack some valve or large machinery lockout items for broader facility programs.

Specifications

Carrying case dimensions	8 in x 5-1/4 in x 15-1/2 in
Included padlocks	Three 410RED Zenex thermoplastic keyed-alike padlocks and one 7C5RED padlock
410RED padlock body size	1-1/2 in wide body
410RED shackle	1/4 in diameter, 1-1/2 in long, 25/32 in wide
Included lockout devices	420 and 427 lockout hasps; 493B and 491B circuit breaker lockouts; 496B switch cover
Tags	One pack 497A Danger Do Not Operate, 12 tags per pack

Our Verdict

The Master Lock 1457E410KA is a practical, well-organized electrical lockout kit that offers good value for individual technicians and small teams. Its durable case, non-conductive keyed-alike padlocks and a thoughtful selection of circuit breaker and switch lockouts make it a reliable starting point for OSHA-minded lockout tagout work, while larger operations may need to supplement it for full plant coverage.

Frequently Asked Questions

Are the padlocks keyed alike?
Yes, the three 410RED Zenex thermoplastic padlocks are supplied keyed alike so one key opens all locks for the user.

Is this kit focused on any particular type of lockout?
Yes, the kit focuses on electrical lockout applications with circuit breaker lockouts, a switch cover, hasps and non-conductive padlocks.

Does the kit include Danger tags?
Yes, it includes one pack of 497A Danger Do Not Operate tags with 12 tags per pack.