NJL631250 - 250Amp Circuit Breaker

NJL631250 - 250Amp Circuit Breaker

The NJL631250 molded case circuit breaker is designed for electrical systems that need steady, dependable protection without unnecessary complexity. Rated at 250 amps with a 3-pole design, it’s commonly used in commercial and industrial applications where power loads are high and consistency matters. The thermal magnetic trip mechanism responds quickly to overloads and short circuits, helping protect connected equipment and reduce the risk of electrical damage. A bolt-on mounting style keeps the breaker firmly in place, which is especially helpful in panels that see regular service or upgrades.

Key Features and Benefits

• Thermal Magnetic Trip Unit: Provides accurate protection against both prolonged overloads and sudden fault conditions.
• Bolt-On Design: Helps maintain secure electrical connections and reduces the chance of movement over time.
• Load-Side Lug Terminals: Included to make wiring simpler and more straightforward during installation or maintenance.
• Designed for Multi-Voltage Systems: Works across a range of common industrial voltage ratings.

Technical Specifications

• Amperage Rating: 250 Amps
• Number of Poles: 3
• Interrupting Capacity:
  • 42kA at 240VAC
  • 30kA at 480VAC
  • 22kA at 600VAC
• Frame Type: NJJ
• Operating Temperature: 40°C
• Overall Dimensions:
  • Width: 8.25 inches
  • Length: 10.13 inches
  • Depth: 3.88 inches
• Approximate Weight: 23 lbs
• Mounting Style: Bolt-on with load-side lug terminals

Material Compliance and Certifications

• The NJL631250 is manufactured using durable materials intended for long-term electrical use.
• It is built to meet applicable industry standards and electrical codes, making it suitable for installations where safety, reliability, and compliance are required.

Where It Works Best

• This circuit breaker is a good fit for commercial and industrial electrical distribution systems, particularly in facilities that operate high-demand equipment or multiple voltage levels.
• It’s commonly used for maintenance replacements, system upgrades, or panel configurations that require dependable circuit protection without overcomplication.