We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
SQUARE D Handle Padlock Attachment for QOU Circuit Breakers, QOU1PL - Square D Circuit Breaker Locks, Padlocks & Interlocks
SQUARE DSquare D Circuit Breaker Locks, Padlocks & Interlocks

SQUARE D Handle Padlock Attachment for QOU Circuit Breakers, QOU1PL

The SQUARE D Handle Padlock Attachment (MPN QOU1PL) is a circuit breaker lock accessory designed for use with Square D QOU Circuit Breakers. This handle padlock attachment enables the locking of the circuit breaker…

SKU 3G-OTH-20910

Brand
SQUARE D
Item
Handle Padlock Attachment for QOU Circuit Breakers, QOU1PL
Part Number
QOU1PL
Category
Square D Circuit Breaker Locks, Padlocks & Interlocks
Available to Order
Also known as:QOU1PLSQUARE D
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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
QOU1PL
Type
Square D QOU Circuit Breakers
For Use With
Square D QOU Circuit Breakers
Accessory Type
Handle Padlock Attachment

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D Handle Padlock Attachment (MPN QOU1PL) is a circuit breaker lock accessory designed for use with Square D QOU Circuit Breakers. This handle padlock attachment enables the locking of the circuit breaker handle in the off position to prevent unauthorized operation.

Frequently Asked Questions

What is the Square D QOU1PL handle padlock attachment used for?

The Square D QOU1PL handle padlock attachment is a circuit breaker lock accessory used to secure the handle of Square D QOU circuit breakers in the off position. This prevents unauthorized or accidental operation, supporting lockout/tagout safety procedures in industrial and commercial electrical installations.

What are the specifications of the Square D QOU1PL?

The Square D QOU1PL is a handle padlock attachment accessory for Square D QOU circuit breakers. Its manufacturer part number is QOU1PL. It is designed exclusively for Square D QOU series breakers and enables locking the breaker handle in the off position for safety compliance.

Where to buy the Square D QOU1PL worldwide?

3G Electric supplies the Square D QOU1PL handle padlock attachment to customers worldwide. We handle full logistics, customs clearance, and delivery for global orders. Contact us to source this Square D circuit breaker lock accessory for your facility.

How to install the Square D QOU1PL padlock attachment?

To install the Square D QOU1PL, first ensure the QOU circuit breaker handle is in the off position. Attach the padlock attachment over the handle per the manufacturer's instructions, then insert a padlock through the attachment to lock the handle. Always follow your facility's lockout/tagout procedures.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SQUARE D

View all SQUARE D parts →
Removable padlocking device for Square D PowerPact B circuit breakers. Enables lockout/tagout by attaching a padlock to prevent unauthorized operation. Used in industrial and commercial electrical systems for safety procedures
SQUARE D
Removable padlocking device for Square D PowerPact B circuit breakers. Enables lockout/tagout by attaching a padlock to prevent unauthorized operation. Used in industrial and commercial electrical systems for safety procedures

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first