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SQUARE D Handle Lockoff for QO Circuit Breakers, QO1LO - Square D Circuit Breaker Locks, Padlocks & Interlocks
SQUARE DSquare D Circuit Breaker Locks, Padlocks & Interlocks

SQUARE D Handle Lockoff for QO Circuit Breakers, QO1LO

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 for QO Circuit Breakers, QO1LO
Part Number
QO1LO
Category
Square D Circuit Breaker Locks, Padlocks & Interlocks
Available to Order
Also known as:QO1LOSQUARE D
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

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

Technical Documents

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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.

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 electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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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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