NJJ232125 - 125Amp Circuit Breaker

NJJ232125 - 125Amp Circuit Breaker

The NJJ232125 is a 125-amp, 2-pole molded-case circuit breaker for compatible equipment that uses the Type NJJ breaker design. It has a bolt-on connection, thermal-magnetic trip, and an interrupting rating of 22 kA.I.C. at 240VAC. The breaker is also rated at 40°C and comes with load-side lug terminals. Size is another detail you'll want to check before using it as a replacement: the NJJ232125 measures 10.13 inches high, 8.25 inches wide, and 3.88 inches deep. If you're maintaining older electrical equipment, these details matter. A breaker may have the right amperage but still be wrong for the application because of its mounting, dimensions, pole configuration, or other ratings. That's why you should match the NJJ232125 to the breaker being replaced and the equipment's requirements. When your system calls for this specific Type NJJ configuration, it offers a practical way to maintain the original form, fit, and function. It's built to last and intended for use in properly matched electrical applications.

Key Features and Benefits

• 125-amp rating for equipment designed to use a breaker with this amperage.
• 2-pole configuration for compatible two-pole applications.
• 22k A.I.C. at 240VAC interrupting rating.
• Thermal-magnetic trip provides overload and short-circuit protection.
• Bolt-on design for equipment that accepts this mounting configuration.
• Includes load-side lug terminals for appropriate load connections.
• 40°C rating provides another useful specification when checking application requirements.
• Known dimensions make it easier to compare the breaker with the existing unit and available mounting space.
• Built to last when properly selected, installed, and maintained.

Technical Specifications

• Part Number: NJJ232125
  
• Type: NJJ
  
• Product Type: Molded Case Circuit Breaker
  
• Amperage: 125A
  
• Poles: 2
  
• A.I.C. Rating & Voltage: 22k @ 240VAC
  
• Trip Type: Thermal-Magnetic
  
• Mounting Style: Bolt-On
  
• Temperature Rating: 40°C
  
• Height: 10.13 in.
  
• Width: 8.25 in.
  
• Depth: 3.88 in.
  
• Ship Weight: 12.00 lbs. 
  
• Terminals: Load-Side Lug Terminals Included
  

Material Compliance and Certifications

• No specific material compliance or certification information was provided for the NJJ232125 circuit breaker, so none is claimed here. If your job requires a particular listing, certification, or material standard, check the markings on the actual breaker and the applicable product documentation.
• This is especially important on jobs where equipment specifications, local electrical codes, or facility requirements call for documented approvals. Confirm those requirements before installation rather than assuming they apply based on the breaker type alone.

Where It Works Best

• The NJJ232125 125 amp circuit breaker is intended for compatible electrical equipment that requires its specific Type NJJ design and ratings. It can be useful for maintenance and replacement work on legacy electrical systems, especially when you need to keep the existing breaker configuration.
• Before replacing an existing breaker, compare more than the amp rating. Check the NJJ232125 part number, 2-pole configuration, bolt-on mounting, 22k @ 240VAC interrupting rating, physical size, 40°C rating, and terminal arrangement. These details help determine whether the breaker is suited to the equipment.
• For a system designed around this NJJ configuration, the goal is simple: match the breaker to the application and maintain the required form, fit, and function of the existing installation.