GFB140 - 40 Amp Circuit Breaker
- 40 Amp
- 10k @ 120VAC
- 1 Pole
Purchase Options: New In Box
GFB140 - 40 Amp Circuit Breaker Description
GFB140 - 40 Amp Circuit Breaker
Upgrade your electrical safety with the Thomas & Betts GFB140, a premium 40 Amp single-pole circuit breaker designed to deliver reliable ground-fault protection in any environment. Whether safeguarding a home bathroom, commercial laundry room, or industrial workspace, this breaker detects unintended current leaks and shuts down circuits fast—helping prevent shocks, fires, and costly equipment damage. Built to exceed industry standards, the GFB140 combines trustworthy performance with compact convenience, making it the go-to choice for electricians and DIYers alike.
Key Features and Benefits
- High Fault-Handling Power: Rated at 10 kA interrupting capacity to manage unexpected surges and provide dependable protection for your system.
- Compact & Lightweight: At just 1″ x 1″ x 1″ and 0.5 lbs, the GFB140 fits neatly into tight panel spaces and is easy to install even in confined areas.
- Dual Voltage Compatibility: Supports both 120 V and 240 V systems for versatile use in a wide range of residential and light-commercial applications.
- Trusted Manufacturer: Engineered by Thomas & Betts, a respected name in electrical hardware, ensuring high quality and consistent performance.
Technical Specifications
- Brand: Thomas & Betts
- Frame Type: GFB
- Amperage Rating: 40 Amp
- Voltage Rating: 120 / 240 Volt
- Interrupt Rating: 10 kAIC
- Poles: Single-pole
- Dimensions (L×H×W): 1″ × 1″ × 1″
- Weight: 0.5 lb
Material Compliance and Certifications
- Compliance: Manufactured to meet or exceed rigorous electrical safety standards, the GFB140 is fully compliant with North American ground-fault protection requirements. For specific certifications (UL, CSA, etc.), contact the manufacturer directly—ensuring your installation aligns with the latest code mandates.
Suitability
- Bathrooms, kitchens, laundry rooms – areas prone to moisture and accidental shock risk
- Outdoor fixtures and circuits that require added safety in exposed environments
- Light commercial spaces—workshops, utility rooms, and break areas—where both 120 V and 240 V systems are in use
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:1.0
- Height:3.19
- Depth:2.5
- Poles:1
- Amperes:40
- A.I.C. Rating & Volts:10k @ 120VAC
- Type:GFCB
- Approx Dimensions:1.00"W x 3.19"L x 2.50"D
- Additional Notes:HACR Rated, Common Trip, 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).