NM632500 - 500Amp Circuit Breaker

NM632500 - 500Amp Circuit Breaker

The NM632500 500 amp circuit breaker is designed for high-load electrical systems where consistent protection is critical. It’s a three-pole, thermal magnetic molded case breaker commonly used in industrial and commercial maintenance work. With a full 500A rating and solid interrupting capacity at multiple voltage levels, this breaker helps protect equipment and wiring from overloads and short circuits without adding unnecessary complexity.

This unit installs with a bolt-on connection and includes load-side lug terminals, making it a practical option when servicing or maintaining existing electrical systems. It’s built to handle everyday electrical demands in environments where downtime and safety risks are not acceptable.

Key Features and Benefits

• 500 Amp Rating: Supports large electrical loads in heavy-use applications
• Thermal Magnetic Trip: Provides reliable protection against overloads and short circuits
• Three-Pole Design: Intended for three-phase power distribution
• Strong Interrupting Capacity: Rated to handle fault currents across common industrial voltages
• Bolt-On Installation: Allows for secure mounting and easier field installation
• Maintenance-Ready: Well suited for upgrades, repairs, and ongoing system service

Technical Specifications

• Amperage: 500A
• Poles: 3
• Interrupting Ratings:
  • 22kA @ 600VAC
  • 30kA @ 480VAC
  • 42kA @ 240VAC
• Frame Type: NM
• Trip Type: Thermal Magnetic
• Mounting: Bolt-On
• Terminals: Load-Side Lug Terminals Included
• Operating Temperature: 40°C
• Dimensions:
  • Width: 8.19 inches
  • Length: 15.50 inches
  • Depth: 4.13 inches

Material Compliance and Certifications

• Manufactured to meet applicable electrical safety and performance standards
• Designed for dependable use in controlled industrial and commercial environments
• Complies with recognized regulatory and quality requirements for molded case circuit breakers

Where It Works Best

• The NM632500 circuit breaker is best used in industrial facilities, commercial buildings, and large electrical systems that require dependable 500-amp protection. It’s commonly installed during maintenance, retrofit, or service work where compatibility with existing equipment and steady performance are important.