QO340 - 40 Amp Circuit Breaker
- 40 Amp
- 10k @ 240VAC
- 3 Pole
Purchase Options: New
QO340 - 40 Amp Circuit Breaker Description
QO340 - 40 Amp Circuit Breaker
The QO340 40 Amp Circuit Breaker from Schneider Electric’s QO series is built for reliable, everyday protection in residential, commercial, and light industrial electrical systems. This 3-pole breaker is rated for 40 amps and operates at 120/240 volts AC, making it a solid choice for handling a variety of circuit protection needs. With its 10kA interrupting capacity and thermal magnetic trip design, it quickly reacts to overloads and short circuits to help keep your wiring and equipment safe.
Key Features and Benefits
- Dependable Overcurrent Protection: The thermal magnetic trip system provides fast, accurate protection when circuits are overloaded or shorted.
- VisiTrip™ Indicator: A small but helpful feature that shows when the breaker has tripped, saving time during troubleshooting.
- Straightforward Installation: Designed with a plug-in mounting style, it’s easy to install or replace without extra hassle.
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Flexible Applications: Works in both AC and DC setups, making it suitable for homes, commercial buildings, and some industrial equipment.
Technical Specifications
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Amperage: 40A
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Voltage: 120/240V AC
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Interrupting Capacity: 10kA @ 120/240V AC
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Number of Poles: 3
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Mounting: Plug-in
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Wire Compatibility: AWG 8 to AWG 2 (copper or aluminum)
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Torque Requirement: 44.3 lbf.in (5 N.m)
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Dimensions:
- Height: 3.0 inches
- Width: 2.2 inches
- Depth: 2.9 inches
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Weight: 0.800 lbs
Material Compliance and Certifications
- UL Listed: File E84967
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CSA Certified: Master Contract 153555
- RoHS and REACh Compliant: Reduced environmental impact
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Green Premium™ Label: Meets Schneider Electric’s sustainability standards
Suitability
- This breaker is a practical choice for protecting electrical circuits in breaker panels across different environments—from homes to offices to small manufacturing setups. It’s a popular option among electricians and contractors who need a circuit breaker they can trust to perform consistently.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:2.25
- Height:3.0
- Depth:2.5
- Poles:3
- Amperes:40
- A.I.C. Rating & Volts:10k @ 240VAC
- Type:QO
- Approx Dimensions:2.25"W x 3.00"L x 2.50"D
- Additional Notes:Plug-On Circuit Breaker
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).