Square D QO Circuit Breaker Pa...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$31.43
Square D QO Circuit Breaker Padlock Device, 2-3 Pole Handle Lock-Off

Square D QO Circuit Breaker Padlock Device, 2-3 Pole Handle Lock-Off

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Model: QO2PAF

In Stock (leaves warehouse same day if ordered before 3pm ET)

$31.43
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Square D QO Circuit Breaker Padlock Device, 2-3 Pole Handle Lock-Off, Fixed OFF Position

The Square D QO Padlock Device is a handle-lock accessory engineered for QO and QOB one, two and three pole thermal magnetic circuit breakers used for overcurrent protection and switching on ac and dc systems. This fixed-style device secures 2 and 3 pole breaker handles in the OFF position, giving electricians and facility staff a reliable lockout point on breakers built with an over-center, trip-free toggle mechanism and quick-make, quick-break action. Designed for the residential market segment, it supports safe, code-compliant lockout/tagout practices during panel maintenance.

Key Features

  • Padlock Device: Fixed-style accessory that locks 2 and 3 pole QO/QOB circuit breaker handles in the OFF position for controlled lockout.
  • Breaker Compatibility: Built for QO and QOB thermal magnetic circuit breakers with over-center, trip-free toggle mechanisms.
  • Quick-Make, Quick-Break Support: Complements the positive-action toggle mechanism of QO/QOB breakers without altering trip-free operation.
  • Fixed Mounting Style: Fixed configuration keeps the padlocking point positioned on the breaker handle for consistent lockout each time.
  • Residential Application: Sized and rated for Square D's residential (RESI) load center product line.
  • Environmentally Conscious Build: Mercury-free and halogen-free construction with no toxic heavy metals.

Certifications & Compliance

  • RoHS Eur Compliant (in scope, compliant status)
  • Halogen-Free Product
  • Mercury-Free
  • Toxic Heavy Metal Free
  • Green Premium Product

Technical Specifications

  • Warranty: 18 months
  • Returnability: Yes
  • Toxic Heavy Metal Free: Yes
  • Mercury Free: Yes
  • Packaging Without Single Use Plastic: Yes
  • ROHS Exemption Information: Yes

Typical Applications

  • Residential and Light Commercial Load Center Panels
  • QO/QOB Circuit Breaker Lockout/Tagout (LOTO) Programs
  • Panelboard Maintenance and Service Shutoffs
  • Handle Securing for 2 and 3 Pole Breaker Positions
  • Electrical Safety Compliance in Occupied Facilities

Why Square D?

Square D engineers its QO breaker accessories, including this padlock device, to support the same reliable, code-compliant performance electricians expect from QO/QOB circuit breakers. With mercury-free, halogen-free, and RoHS-compliant construction, this padlock device helps facility teams maintain safe lockout practices without compromising on Square D's environmental standards.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker Accessory
Series:
QO
Configuration:
2-3 Pole, Fixed, OFF Position
Country of Origin:
Mexico
Standards:
RoHS Compliant
Department:
Electrical
Product Group:
Wiring Devices
Product Subgroup:
Circuit Breakers

Square D QO2PAF – Frequently Asked Questions

1) Will the Square D QO2PAF padlock device fit a single pole QO breaker?
The QO2PAF is built to lock 2 and 3 pole QO and QOB breaker handles in the OFF position. It is a fixed-style device sized for multi-pole handle ties, so a single pole breaker is not the application for this part number. If you are locking off single pole QO breakers, you need the single pole version of the QO padlock accessory instead.
2) Does this Square D handle lock hold the breaker ON or only OFF?
OFF only. The QO2PAF is a fixed-style device that secures the handle in the OFF position, which is what a lockout/tagout program needs during panel maintenance. It does not provide a lock-on function.
3) Will a QO handle lock-off interfere with the breaker tripping while it is installed?
No. QO and QOB breakers use an over-center, trip-free toggle mechanism, and the padlock device is designed to complement that quick-make, quick-break action without altering trip-free operation. It gives you a padlocking point on the handle, not a mechanical block on the internal mechanism.
4) Is the QO2PAF the right lockout device for a residential load center?
Yes, that is exactly what it is sized for. Square D lists it against the residential (RESI) load center product line, and it is used on QO/QOB breakers in residential and light commercial panels for LOTO during service shutoffs.
5) What part number do I order for the Square D QO 2-3 pole handle lock-off?
Order QO2PAF. That is the Square D manufacturer part number for the fixed 2-3 pole QO/QOB handle lock-off in the OFF position, and it ships as a single configuration with no finish or size choices to specify.
6) Will an ABB Pro-Stak kit work as a lockout device for QO breaker handles?
No. The ABB Pro-Stak A2 MCCB stacking kit in the MBA1 series and the ABB XT4 Pro-Stak 6-pole sub-feed breaker accessory kit are mounting and sub-feed connection kits for ABB molded case breakers, not handle lock-offs. The Square D QO2PAF padlock device is a fixed accessory that secures 2 and 3 pole QO and QOB breaker handles in the OFF position so a padlock can be applied during lockout/tagout. If you need a padlocking point on a QO handle, the stacking kits do not provide one.
7) I have an ABB XT4 breaker panel - can I order the QO padlock device for it?
The QO2PAF padlock device is built for Square D QO and QOB thermal magnetic breakers with over-center, trip-free toggle mechanisms, so it is matched to the QO handle profile rather than to ABB molded case breakers. For an XT4 frame, the ABB accessory in the same family is the XT4 Pro-Stak 6-pole sub-feed circuit breaker accessory kit, which serves a sub-feed connection role rather than a handle lock-off role. Confirm the breaker series before ordering, since the padlock device is keyed to the QO series.
8) Does the Square D QO padlock device meet RoHS and environmental purchasing requirements?
It is RoHS compliant, and Square D builds it mercury-free, halogen-free and free of toxic heavy metals under its Green Premium designation. Packaging is free of single use plastic. That covers most institutional and sustainable-distributor procurement screens. Country of origin is Mexico.
9) Is a padlock included with the QO2PAF handle lock-off?
The QO2PAF is the padlocking attachment for the breaker handle itself. It gives you the lockout point; the padlock and tag come from your own LOTO kit, so plan on supplying those separately when you standardize a panel program.
How fast can I get the Square D QO2PAF delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D QO2PAF come with a warranty?
Absolutely. The Square D QO2PAF is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D QO2PAF?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D QO2PAF from ZenSupply?
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