The Square D exclusive Qwik-Open™ mechanism, with a trip reaction within 1/60th of a second, is standard on all 1P 15 and 20 A QO circuit breakers.

QO breakers come in single-pole, double-pole, and 3-pole breaker options – all ¾-inch in size to save wire. Securely fasten circuit ...

Specifications ; Mounting Type, Plug-in ; Number of Poles, 1P ; Circuit Breaker Type, Standard ; Ratings, HACR and Switching Duty rated ; Electrical Connection ...

Rating 4.8

(1,316) · $204.00 · Free in-store returns

The Square D by Schneider Electric QO 15 Amp 3-Pole Bolt-On Circuit Breaker is intended for overload and short-circuits protection of your electrical system.

Rating 4.6

(50) · $78.00 · 30-day returns

Rating 4.8

(1,316) · $24.61 · Free in-store returns

The ANSI-certified and UL-listed unit is rated for 120/240 VAC and 10,000 AIR. All QO circuit breakers are equipped with the exclusive Visi-Trip indicator. When ...

4.4

632 · 3–5 day delivery · Free 90-day returns

This breaker is compatible with Homeline load centers and CSED devices. The ANSI-certified and UL-Listed unit is rated for 120/240 VAC and 10,000 AIR.

Plug-on QO circuit breakers are for use in QO load centers, NQ and NQOD panelboards, OEM mounting bases, and Speed-D® switchboard distribution panels. Square D ...