Square D QOU1PA Circuit Breaker Padlock Attachment

Product Description

The SQUARE D QOU1PA is a padlock attachment accessory designed for use with 1-pole QOU circuit breakers. It physically locks a breaker in the off position, providing lockout/tagout (LOTO) compliance at the panel. Electricians and maintenance professionals use this attachment to meet OSHA lockout/tagout requirements during electrical service work. The part ships as a single unit and installs directly onto the breaker without additional hardware. Its compact form factor measures 3.5 inches in length, 2 inches in width, and 0.4 inches in height, adding minimal bulk to the panel.

This padlock attachment is suited for residential and light commercial electrical panel applications wherever 1-pole QOU breakers are installed. It supports standard lockout/tagout safety programs and is commonly specified by facility maintenance teams, electrical contractors, and industrial safety coordinators who require positive lockout at the breaker level.

Key Features

• Locks 1-pole QOU circuit breakers in the off position for LOTO compliance
• Compact profile: 3.5 inches long, 2 inches wide, 0.4 inches tall
• Single-unit packaging suitable for individual breaker applications
• Direct-fit attachment requiring no additional hardware
• Supports OSHA lockout/tagout program requirements at the panel

Compatibility

Designed for use with 1-pole QOU series circuit breakers from SQUARE D.

Installation Notes

Installation is performed by a licensed electrician or qualified maintenance professional. De-energize the panel and verify the circuit is dead with a rated voltage tester before handling any breaker or attachment. The QOU1PA attaches directly to the breaker handle and accepts a standard padlock through its hasp opening. Follow NFPA 70E and applicable facility LOTO procedures during installation and removal.