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SQUARE D Handle Lockoff: Handle Lockoff - Square D Circuit Breaker Locks, Padlocks & Interlocks
SQUARE DSquare D Circuit Breaker Locks, Padlocks & Interlocks

SQUARE D Handle Lockoff: Handle Lockoff

The SQUARE D Handle Lockoff (MPN QO1LO) is a circuit breaker lock accessory designed for use with Square D QO Circuit Breakers. This handle lockoff provides a means to secure the breaker handle in the off position…

SKU 3G-OTH-20759

Brand
SQUARE D
Item
Handle Lockoff: Handle Lockoff
Category
Square D Circuit Breaker Locks, Padlocks & Interlocks
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO1LO
For Use With
Square D QO Circuit Breakers
Accessory Type
Handle Lockoff
View Full Spec Sheet

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Handle Lockoff (MPN QO1LO) is a circuit breaker lock accessory designed for use with Square D QO Circuit Breakers. This handle lockoff provides a means to secure the breaker handle in the off position, enhancing safety during maintenance or equipment servicing.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Square D Handle Lockoff QO1LO used for?

The Square D Handle Lockoff QO1LO is a circuit breaker lock accessory used to secure the handle of Square D QO circuit breakers in the off position. This enhances safety during maintenance or equipment servicing by preventing accidental re-energization, complying with lockout/tagout procedures in industrial and commercial electrical panels.

What are the specifications of the Square D Handle Lockoff QO1LO?

The Square D Handle Lockoff (MPN QO1LO) is an accessory type handle lockoff designed for use with Square D QO circuit breakers. It is manufactured by Square D and provides a secure means to lock the breaker handle in the off position. No voltage or current ratings apply as it is a mechanical locking device.

Where to buy Square D Handle Lockoff QO1LO worldwide?

You can source the Square D Handle Lockoff QO1LO through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Square D accessories for your maintenance needs.

How to install the Square D Handle Lockoff QO1LO?

To install the Square D Handle Lockoff QO1LO, first ensure the circuit breaker handle is in the off position. Slide the lockoff device over the handle until it snaps into place, then insert a padlock through the lockoff hole to secure it. Always follow your facility's lockout/tagout procedures and consult the manufacturer's instructions for proper use.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D square d circuit breaker locks, padlocks & interlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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