NJJ232400 - 400Amp Circuit Breaker
- 400 Amp
- 22k @ 240VAC
- 2 Pole
Purchase Options: Refurbished
NJJ232400 - 400Amp Circuit Breaker Description
NJJ232400 - 400 Amp Circuit Breaker
The NJJ232400 400 amp circuit breaker is built for applications where high current and dependable protection are required. This 2-pole molded case breaker is commonly used in commercial and industrial electrical systems that need steady, predictable performance under load. With a 22kA interrupting rating at 240VAC, it’s designed to safely clear fault conditions and help protect downstream equipment from damage.
This breaker uses a thermal magnetic trip mechanism, which responds accurately to overloads and short circuits without unnecessary nuisance tripping. The bolt-on mounting style provides a secure fit inside the panel, while the included load-side lugs make wiring straightforward for electricians and maintenance teams. Overall, the NJJ232400 is a practical choice for keeping existing electrical systems operating safely and efficiently.
Key Features and Benefits
- Thermal Magnetic Trip Protection: Helps guard against overloads and short circuits
- 400 Amp, 2-Pole Configuration: Designed for higher-capacity power distribution
- Bolt-On Mounting: Helps maintain solid electrical connections
- Load-Side Lug Terminals Included: Allows for easier installation
- 22kA Interrupting Rating at 240VAC: Provides dependable fault protection
Technical Specifications
- Amperage: 400A
- Number of Poles: 2
- Interrupting Rating: 22kA at 240VAC
- Frame Type: NJJ
- Temperature Rating: 40°C
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Approximate Dimensions:
- Width: 8.25 inches
- Length: 10.13 inches
- Depth: 3.88 inches
- Weight: Approx. 23 lbs
- Mounting Type: Bolt-On
- Terminals: Load-side lugs
Material Compliance and Certifications
- Industry Standards: This circuit breaker is manufactured using materials that meet industry safety and performance standards.
- Electrical Code Compliance: It is designed to comply with applicable electrical codes, making it suitable for use in regulated commercial and industrial electrical systems.
Where It Works Best
- The NJJ232400 is typically used for replacement or maintenance in existing power distribution equipment. It’s a good fit for industrial facilities, commercial buildings, and other environments that require reliable protection for high-current circuits.
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:8.25
- Height:10.13
- Depth:3.88
- Poles:2
- Amperes:400
- A.I.C. Rating & Volts:22k @ 240VAC
- Type:NJJ
- Approx Dimensions:8.25"W x 10.13"L x 3.88"D
- Additional Notes:40°C, Bolt-On, Thermal Magnetic, Molded Case Circuit Breaker. Includes Load-Side Lug Terminals
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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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).