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QCB40 - 40 Amp Circuit Breaker

  • 40 Amp
  • 10k @ 120/240VAC
  • 2 Pole
Circuit BreakersSKU: UBIZ240B

Purchase Options: New Aftermarket Replacement

Quantity
$97.50

QCB40 - 40 Amp Circuit Breaker Description

QCB40 - 40 Amp Circuit Breaker

The QCB40 40 Amp Circuit Breaker is a reliable solution for protecting electrical systems that operate at 120/240 volts AC. Designed as a 2-pole breaker, it helps prevent damage caused by overloads and short circuits by quickly interrupting power when unsafe conditions occur. With a 10k A.I.C. interrupting capacity, the QCB40 is well suited for environments where fault currents can rise quickly, offering steady performance you can count on. Its practical design and consistent operation make it a solid choice for everyday electrical protection in residential, commercial, and light industrial applications.

Key Features and Benefits

  • 40 Amp Overcurrent Protection – Provides dependable protection for wiring and connected equipment by responding promptly to excess current.
  • 10,000 A.I.C. Rating – Safely interrupts high fault currents at 120/240 VAC, helping reduce the risk of electrical damage.
  • 2-Pole Configuration – Ideal for applications requiring protection across two conductors in 120/240V systems.
  • QCB Frame Design – Built with quality materials intended to handle repeated operation over time.
  • Space-Saving Profile – Compact dimensions allow for a clean fit in compatible electrical panels without crowding.

Technical Specifications

  • Poles: 2
  • Amperage Rating: 40 Amps
  • Voltage Rating: 120/240 VAC
  • Interrupting Capacity: 10k A.I.C.
  • Frame Type: QCB
  • Dimensions:
    • Width: 1.50 in
    • Length: 4.81 in
    • Depth: 2.50 in
  • Weight: 2.25 lbs

Material Compliance and Certifications

  • The QCB40 Circuit Breaker is manufactured in accordance with established industry safety and quality standards. It uses tested internal components and durable construction materials designed to perform consistently under normal operating conditions. Each unit is built with attention to electrical reliability and long-term service expectations.

Where It Works Best

  • This 40 amp circuit breaker is well suited for use in residential load centers, light commercial properties, and smaller industrial installations. Common applications include air conditioning systems, electric heating equipment, lighting circuits, and general-purpose branch circuits where dependable 120/240V protection is required.

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. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:1.5
  • Height:4.81
  • Depth:2.5
  • Poles:2
  • Amperes:40
  • A.I.C. Rating & Volts:10k @ 120/240VAC
  • Type:QCB
  • Approx Dimensions:1.50"W x 4.81"L x 2.50"D
  • Additional Notes:Bolt-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).

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