---
product_id: 228780068
title: "TRADESAFE Circuit Breaker Lockout Device, 10 Pack, 120/277 Volt, Clamp-on Single Pole Breaker Lock Out Device, OSHA Compliant, Premium Grade, Medium"
brand: "tradesafe"
price: "$146.99"
currency: USD
in_stock: true
reviews_count: 8
category: "Tradesafe"
url: https://www.desertcart.us/products/228780068-tradesafe-circuit-breaker-lockout-device-10-pack-120-277-volt
store_origin: US
region: United States of America
---

# 120/277V voltage range 10-pack clamp-on locks tool-free thumbscrew TRADESAFE Circuit Breaker Lockout Device, 10 Pack, 120/277 Volt, Clamp-on Single Pole Breaker Lock Out Device, OSHA Compliant, Premium Grade, Medium

**Brand:** tradesafe
**Price:** $146.99
**Availability:** ✅ In Stock

## Summary

> 🔐 Lock in Safety, Unlock Productivity!

## Quick Answers

- **What is this?** TRADESAFE Circuit Breaker Lockout Device, 10 Pack, 120/277 Volt, Clamp-on Single Pole Breaker Lock Out Device, OSHA Compliant, Premium Grade, Medium by tradesafe
- **How much does it cost?** $146.99 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/228780068-tradesafe-circuit-breaker-lockout-device-10-pack-120-277-volt)

## Best For

- tradesafe enthusiasts

## Why This Product

- Trusted tradesafe brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast, Tool-Free Deployment:** Stainless steel thumbscrew with nylon knob enables quick, firm lockout without any tools.
- • **Trusted USA Safety Partner:** From an established brand with a 5-year warranty, ensuring reliability and peace of mind.
- • **OSHA Compliance Made Simple:** Engineered and tested to exceed lockout/tagout safety standards, protecting your team and your business.
- • **Lockout Confidence, No Compromise:** Precision clamp-on design fits toggles up to 5/8" x 1/2" for secure single-pole breaker isolation.
- • **Built to Endure Industrial Demands:** Impact-resistant polypropylene and nylon construction ensures rugged, long-lasting safety.

## Overview

The TRADESAFE Circuit Breaker Lockout Device 10-pack offers premium-grade, clamp-on single-pole breaker locks compatible with 120 to 277 volts. Designed for heavy industrial use, these OSHA-compliant devices feature impact-resistant materials and a tool-free thumbscrew for fast, secure lockout. Trusted by professionals, backed by a 5-year warranty, and engineered to prevent unauthorized access and hazardous energy exposure.

## Description

TRADESAFE Circuit Breaker Lockout Device, 10 Pack, 120/277 Volt, Clamp-on Single Pole Breaker Lock Out Device, OSHA Compliant, Premium Grade, Medium: desertcart.com: Industrial & Scientific

Review: Best LOTO Clamps I have used - Most breaker clamps have the cover connected by a thin piece of plastic, which over time wears and breaker. These have the cover connected by a hinge so the cover does break off all the time. They also have a really nice piece that comes down and makes a great block on the opening the breaker. Cannot recommend these strong enough
Review: Great LOTO tabs - Great LOTO, I love this style, they hold on good and do not just slip off like some others. And for this price, it's a heck of a deal over some other brands of the exact same style....

## Features

- Precision Engineered Breaker Lock - Circuit breaker clamp on style engineered to lock out single-pole breakers with toggles up to 5/8-inch x 1/2-inch, isolates hazardous energy and prevents unauthorized access
- Rugged Circuit Breaker Locks - Single handle lockout breaker made of impact-resistant, non-conductive red polypropylene and black nylon, suitable for heavy industrial use
- Premium Breaker LOTO Devices - (10) 120 to 277 Volts red single pole breaker locks with 19/64-inch diameter padlock shackle hole, thumbscrew that has a stainless steel screw and nylon knob for fast and firm deployment, no tools required
- OSHA Compliant - Lockout tagout breaker lock developed and tested to help businesses exceed compliance with standards
- Trusted Safety Supplier - TRADESAFE is an established USA based and owned industry expert and reliable safety partner for LOTO compliance supplies

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08B36R19B |
| Best Sellers Rank | #12,694 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Lockout & Tagout Kits |
| Brand | TRADESAFE |
| Brand Name | TRADESAFE |
| Circuit Breaker Type | Standard |
| Current Rating | 20 Amps |
| Customer Reviews | 4.6 out of 5 stars 232 Reviews |
| Included Components | (10) 120/277V Clamp-on Breaker Lock Out Devices, (1) inner bag (0.16mm x 15cm x 22cm), (1) customized out bags (0.13mm x 15cm x 23cm) |
| Manufacturer | TRADESAFE |
| Model | D12 |
| Mounting Type | Clip-In Mount |
| Number Of Poles | 1 |
| Number of Poles | 1 |
| UPC | 709388282397 |
| Unit Count | 10.0 Count |
| Voltage | 120 Volts, 277 Volts |
| Warranty Description | All of our products are warrantied for a period of FIVE (5) years. This limited warranty is broken into two halves: The first TWO (2) years is a full replacement warranty. The second THREE (3) years is a prorated warranty. The entire FIVE (5) year warranty period is measured from the original date of purchase of the original product and applies only to the original purchaser. (If the original purc… |

## Product Details

- **Brand:** TRADESAFE
- **Circuit Breaker Type:** Standard
- **Current Rating:** 20 Amps
- **Mounting Type:** Clip-In Mount
- **Number Of Poles:** 1

## Images

![TRADESAFE Circuit Breaker Lockout Device, 10 Pack, 120/277 Volt, Clamp-on Single Pole Breaker Lock Out Device, OSHA Compliant, Premium Grade, Medium - Image 1](https://m.media-amazon.com/images/I/71nNReGTNZL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Does this breaker lockout work with older circuit breakers?**
A: Our circuit breaker lockouts can fit a range of circuit breakers, both old and new models, depending on the width and thickness of the toggles. This breaker lockout can fit breakers with ⅝-inch width x ½-inch thick toggles.

**Q: Will this fit single, double, or multi-pole circuit breakers?**
A: This circuit breaker lock is designed for single pole breakers with ⅝-inch width x ½-inch thick toggles.

**Q: Can the circuit breaker be locked in the ON position using this lockout?**
A: Although it depends primarily on the design of the circuit breaker and is not generally advised for safety reasons, our breaker locks can lockout a circuit breaker on the ON position.

**Q: Can the breaker panel door be closed even when these lockouts are applied?**
A: Generally, yes. But that depends if there’s enough space between the panel door and the switches.

**Q: How to ensure no one accidentally removes these breaker lockouts once installed?**
A: TRADESAFE circuit breaker locks come with padlock holes so that LOTO locks can be easily affixed to them for security. Our lockout locks are available in eight colors: red, green, blue, yellow, orange, purple, black, and white - sold separately.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Best LOTO Clamps I have used
*by D***K on May 11, 2025*

Most breaker clamps have the cover connected by a thin piece of plastic, which over time wears and breaker. These have the cover connected by a hinge so the cover does break off all the time. They also have a really nice piece that comes down and makes a great block on the opening the breaker. Cannot recommend these strong enough

### ⭐⭐⭐⭐⭐ Great LOTO tabs
*by W***4 on July 8, 2025*

Great LOTO, I love this style, they hold on good and do not just slip off like some others. And for this price, it's a heck of a deal over some other brands of the exact same style....

### ⭐⭐⭐⭐⭐ Perfect for what we needed
*by E***E on September 28, 2025*

Perfect for what we needed

## Frequently Bought Together

- TRADESAFE Circuit Breaker Lockout Device, 10 Pack, 120/277 Volt, Clamp-on Single Pole Breaker Lock Out Device, OSHA Compliant, Premium Grade, Medium
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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-27*