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UBITB140C - 40 Amp Circuit Breaker

  • 40 Amp
  • 10k @ 120VAC
  • 1 Pole
Circuit BreakersSKU: UBITB140C

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UBITB140C - 40 Amp Circuit Breaker Description

UBITB140C - 40 Amp Circuit Breaker

Looking for a dependable 40 Amp circuit breaker that delivers safety and peace of mind? Meet the UBITB140C from UBI—a thermal-magnetic, single-pole breaker built to protect your home or light-commercial electrical panel against overloads and short circuits. Rated for both 120 V and 240 V systems, this unit offers reliable performance that electricians and DIY enthusiasts trust.

Key Features and Benefits

  • Thermal Magnetic Protection: This breaker reacts quickly to both sustained overloads and sudden short circuits, giving dual-layer defense for your circuits.
  • Wide Compatibility: Works seamlessly with most standard residential and light-commercial load centers, so you can install it without fuss.
  • High Interrupt Rating (10 kAIC): Built to safely interrupt fault currents up to 10,000 amps, keeping your system secure under stress.
  • Solid Construction: Crafted from quality materials to last, this breaker resists wear from everyday use and harsh conditions.

Technical Specifications

  • Model Type: UBITB140C (Type TB-C, Single-Pole)
  • Amperage: 40 Amps
  • Voltage: 120/240 V
  • Interrupt Rating: 10 kAIC
  • Wire Range: #14–4 AWG (Copper/Aluminum)

Material Compliance and Certifications

  • UL 489 Listed: Tested and approved for electrical safety and performance standards.
  • RoHS Compliant: Free from harmful materials, aligning with global environmental directives.

Suitability

  • This UBITB140C unit performs exceptionally well in:
    New home wiring projects and full panel upgrades
    Protecting lighting circuits, outlets, and critical equipment
    Retrofit or maintenance jobs in residential and light commercial settings
    Whether you’re upgrading your breaker box or adding circuits for new equipment, this breaker makes the job simpler, safer, and more reliable.

 


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

  • Poles:1
  • Amperes:40
  • A.I.C. Rating & Volts:10k @ 120VAC

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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