NJL631125 - 125Amp Circuit Breaker

NJL631125 - 125 Amp Molded Case Circuit Breaker

The NJL631125 125 amp molded case circuit breaker is a practical, dependable option for protecting commercial and industrial electrical systems. It’s commonly used in maintenance and replacement situations where reliability matters and compatibility with existing equipment is critical. Designed to handle overloads and short circuits across multiple voltage levels, this breaker helps keep electrical systems running smoothly without unnecessary complexity. It installs cleanly, connects securely, and does exactly what it’s supposed to do—protect your equipment and wiring.

Key Features and Benefits

• Thermal Magnetic Protection: Combines thermal and magnetic trip elements to respond accurately to overloads and short circuits, helping limit damage before it becomes a larger issue.
• Bolt-On Mounting: The bolt-on design provides a solid connection and makes installation or replacement more straightforward, especially during scheduled maintenance or upgrades.
• Load-Side Lug Terminals: Comes equipped with load-side lugs to simplify wiring and ensure a dependable electrical connection.
• Built for Real-World Applications: Designed to work across multiple voltage ratings, making it suitable for a wide range of electrical systems already in service.

Technical Specifications

• Amperage: 125 Amps
• Poles: 3
• Interrupting Rating:
  • 42kA at 240VAC
  • 30kA at 480VAC
  • 22kA at 600VAC
• Frame Type: NJJ
• Temperature Rating: 40°C
• Dimensions:
  • Width: 8.25 inches
  • Length: 10.13 inches
  • Depth: 3.88 inches
• Weight: 23 lbs
• Mounting Type: Bolt-On
• Terminals: Load-Side Lug Terminals

Material Compliance and Certifications

• Industry Requirements: This circuit breaker is built using quality materials that meet established electrical industry requirements.
• Electrical Codes: It is designed to align with applicable electrical codes, supporting safe operation and long-term use in commercial and industrial environments. Every component is selected with durability and consistency in mind.

Where It Works Best

• The NJL631125 circuit breaker is best suited for maintenance and replacement applications in commercial buildings, industrial facilities, and electrical distribution systems operating at different voltage levels. It’s a solid choice when you need a breaker that fits existing infrastructure, installs without hassle, and delivers reliable protection day after day.