NB125H - 125Amp Circuit Breaker
- 125 Amp
- 10k @ 120/240VAC
- 2 Pole
Purchase Options: New Surplus
NB125H - 125Amp Circuit Breaker Description
NB125H - 125Amp Circuit Breaker
If you’re replacing a worn or faulty breaker in an existing panel, the NB125H 125 Amp circuit breaker is built to get the job done safely and reliably. This 2-pole, 120/240VAC thermal magnetic breaker is commonly used in residential and light commercial electrical systems where dependable overcurrent protection is essential. Designed with a bolt-on connection, the NB125H mounts securely to the panel bus, helping maintain a solid electrical connection over time. With a 10,000 AIC rating, it’s made to interrupt fault currents quickly, helping protect wiring, equipment, and the overall electrical system from damage.
Key Features and Benefits
- 125 Amp Rating – Designed to handle circuits requiring 125A protection.
- 2-Pole Breaker – Suitable for 120/240VAC applications.
- Thermal Magnetic Trip – Protects against both sustained overloads and sudden short circuits.
- Bolt-On Mounting – Provides a secure, stable panel connection.
- 10kA Interrupting Capacity – Rated at 10,000 AIC at 120/240VAC.
- NB Frame Design – Built for consistent performance in everyday electrical applications.
Technical Specifications
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Part Number: NB125H
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Amperage: 125A
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Poles: 2
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Voltage Rating: 120/240VAC
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Interrupting Capacity: 10,000 AIC at 120/240VAC
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Connection Type: Bolt-On
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Trip Type: Thermal Magnetic
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Frame Type: NB
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Dimensions:
- Width: 2.00"
- Length: 4.25"
- Depth: 2.31"
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Weight: 2.25 lbs
Material Compliance and Certifications
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Industry Standards: The NB125H circuit breaker is manufactured using materials that meet established electrical industry standards. Each unit is tested for performance and safety to help ensure reliable operation under rated conditions. This attention to quality supports long-term use in properly matched electrical systems.
Where It Works Best
- The NB125H is commonly used for maintenance and replacement in residential panels, small commercial buildings, offices, and retail spaces. It’s a practical choice when you need a 125 amp, 2-pole bolt-on breaker for an existing 120/240VAC setup. Whether you’re updating aging equipment or restoring service, this breaker is designed to provide dependable circuit protection where it’s needed most.
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:2.0
- Height:4.25
- Depth:2.31
- Poles:2
- Amperes:125
- A.I.C. Rating & Volts:10k @ 120/240VAC
- Type:NB
- Approx Dimensions:2.00"W x 4.25"L x 2.31"D
- Additional Notes:Bolt-on, Thermal Magnetic 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
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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).