Square D™ 40-Amp Outdoor Qo Lugs

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Square D™

40-Amp Outdoor Qo Lugs


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* Estimated stock levels as of Thu, Sep 21, 2023. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.


The QO load center and circuit breaker family is designed to satisfy individual requirements with a comprehensive selection.

  • Exclusive shielded copper bus features electro tin plated copper bus bars sandwiched between two rugged polymer shields to insulate and secure the interior.
  • Straight-in mains wiring and uniform termination lugs help minimize service cable bends, cutting waste and saving installation time.
  • Convertible mains allow fast field conversion between main breaker and main lugs to meet changing job requirements.
  • Standard 22,000/10,000 ampere series short circuit current rating on main breaker load centers provides increased application capability.
  • Single, captive interior mounting screw can't be lost.Interior mounts quickly and can easily be removed during rough-in for paint or theft protection.
  • Split branch neutral with up to 50% more terminations than UL requirement
  • Indoor enclosures designed to rotate 180° to accommodate top or bottom service entrance feed, saving expensive service cable.
  • Combination slot/square-drive neutral, ground, and cover screw accommodate both standard flat blade screwdrivers and square-head drivers. Three ground bar mounting locations (left, right, and end) make it easier to wire.



Amps 40
Indoor/Outdoor Surface
Maximum Single Pole Circuits 2
Spaces 2
Type Outdoor
Volts 120/240


Depth 4 in
Height 9-3/8 in
Width 4-3/4 in

Manufacturing Details
The following information is subject to change without notice

Country of Origin US
Shop USA Yes

Related Documents

Brochure (PDF)

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