QO3401021 - Square D 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker

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Checkmark   CSA approved with 1 year warranty

QO3401021 - Square D 40 Amp 3 Pole 240 Volt Molded Case Circuit Breaker

Square D, QO Series, type QO, 3P, 3PH, 40A, 240V, 10kA@240V, common trip, complete with VISI-TRIP indicator, 120V shunt trip, thermal magnetic molded case miniature circuit breakers

  • Manufacturer: Square D
  • Family: QO Series
  • Type: QO
  • CSA Approved and UL Listed

Interrupting Rating

  • AIC Rating: 10kA@240V
  • AIC Rating: 10kA@120V
  • AIC Rating: 5kA@48V


  • 3 Pole
  • 40 Amp
  • 240 Volt
  • 3 Phase
  • Connection: Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Dimensions (H x W x L): 2.99" x 2.99" x 2.91"

Free Shipping Policy

FREE Shipping on orders over $49.

Canada Breakers offers one to five day delivery in Canada & United States. The variation depends on the warehouse location for the product(s).

CSA Approved with 1-Year Warranty

All products carry a 1-year warranty from Canada Breakers. All of our products are authentic, factory new and CSA approved.

Returns are Easy

You may return items within 30 days of delivery for a full refund.

Next Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, Canada Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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