NFJ631150 - 150Amp Circuit Breaker
- 150 Amp
- 22k @ 480VAC; 25k @ 240VAC
- 3 Pole
Purchase Options: Refurbished
NFJ631150 - 150Amp Circuit Breaker Description
NFJ631150 - 150Amp Circuit Breaker
The NFJ631150 150 amp circuit breaker is designed for dependable performance in commercial and industrial electrical systems where consistent protection matters. This 3-pole molded case circuit breaker uses proven thermal magnetic technology to help protect equipment and wiring from overloads and short circuits. Its bolt-on mounting style and load-side lug terminals make installation straightforward and secure, especially in maintenance or replacement scenarios where downtime needs to be kept to a minimum. Built for daily use in demanding environments, the NFJ631150 delivers steady protection and long service life, making it a practical choice for electricians, facility managers, and maintenance professionals who want confidence in their electrical protection components.
Key Features and Benefits
- Thermal Magnetic Protection – Helps guard electrical systems against overloads and short-circuit conditions using time-tested protection technology.
- Bolt-On Design – Provides a firm, reliable connection that stays in place, reducing the chance of loose connections during operation.
- Load-Side Lug Terminals – Allows for easy and secure wire termination, simplifying installation and future maintenance work.
- High Interrupting Capacity – Rated to handle fault conditions commonly found in commercial and industrial power systems.
Technical Specifications
- Poles: 3
- Amperage Rating: 150A
- Frame Type: NFJ
- Voltage Rating / AIC: 22k @ 480VAC; 25k @ 240VAC
- Operating Temperature: 40°C
- Dimensions: 4.13" W x 9.31" L x 3.75" D
- Weight: 12 lbs
- Breaker Type: Molded Case Circuit Breaker
- Trip Unit: Thermal Magnetic
- Mounting Style: Bolt-On
- Terminals: Load-Side Lugs
Material Compliance and Certifications
- The NFJ631150 is manufactured using quality materials that meet established industry standards for safety and performance.
- It is designed to comply with applicable electrical codes and certification requirements, helping ensure dependable operation and long-term durability in real-world applications.
Where It Works Best
- This 150 amp molded case circuit breaker is well-suited for maintenance, retrofit, and replacement applications in commercial buildings, industrial facilities, and electrical distribution systems.
- It’s a solid fit for panels and switchgear where reliable circuit protection, easy installation, and consistent performance are essential.
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:4.13
- Height:9.31
- Depth:3.75
- Poles:3
- Amperes:150
- A.I.C. Rating & Volts:22k @ 480VAC; 25k @ 240VAC
- Type:NFJ
- Approx Dimensions:4.13"W x 9.31"L x 3.75"D
- Additional Notes:40°C, Bolt-On, Thermal Magnetic, Molded Case Circuit Breaker. Includes Load-Side Lug Terminals. Also known as NFJ434150
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.
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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).