Square D QO Series Circuit Breaker Handle Lock-Off Padlock Attachment

Square D QO Series Circuit Breaker Handle Lock-Off Padlock Attachment

The Square D QO Series Circuit Breaker Handle Lock-Off Padlock Attachment secures the handle of a Square D QO thermal magnetic circuit breaker in the off position, supporting proper lockout/tagout procedure for electricians and facility maintenance teams. It is designed for use across the QO and QOB one, two, and three pole breaker line, which provides overcurrent protection and switching on ac and dc systems with an over-center, trip-free toggle mechanism and quick-make, quick-break action. The accessory is TAA compliant, making it suitable for government and federal procurement requirements, and is built for use in residential and light commercial electrical systems.

Key Features

• QO Series Compatibility: Engineered for the QO range of Square D thermal magnetic circuit breakers, sized to fit the corresponding pole configuration on QO and QOB breakers.
• Handle Lock-Off: Accepts a standard padlock to lock the breaker handle in the off position for safe lockout/tagout during service or maintenance work.
• Trip-Free Toggle Compatibility: Supports QO and QOB breakers featuring an over-center, trip-free toggle mechanism with quick-make, quick-break action for reliable switching.
• TAA Compliant: Meets Trade Agreements Act requirements, supporting use on federally funded electrical projects and government procurement.
• Mercury Free Construction: Manufactured without mercury for safer handling and disposal throughout its service life.
• Halogen-Free Material: Constructed from a halogen-free product formulation for reduced environmental impact.

Certifications & Compliance

• TAA Compliant
• RoHS EUR Compliant with Exemptions
• Mercury Free
• Halogen-Free Product

Technical Specifications

• Product Type: Circuit Breaker Accessory
• Series: QO

Typical Applications

• Residential Load Centers and Panelboards
• QO Circuit Breaker Lockout/Tagout Safety Procedures
• Electrical Panel Maintenance and Service
• Commercial and Residential Electrical Installations

Why Square D?

Square D QO circuit breaker accessories are built to complement the performance and durability of the QO line, giving electricians and facility managers a reliable way to lock out breaker handles during maintenance. With TAA compliance, mercury-free, and halogen-free construction, this padlock attachment supports code-conscious, safety-focused electrical work across residential and commercial installations where lockout/tagout compliance is required.