NM632250 - 250Amp Circuit Breaker

NM632250 - 250Amp Circuit Breaker

The NM632250 250 Amp Circuit Breaker is a solid choice for maintenance and replacement work in commercial and industrial power systems. It’s a 3-pole, bolt-on molded case breaker designed to handle high current loads while providing dependable protection against overloads and short circuits. Rated for systems up to 600VAC, this breaker is commonly used in existing electrical installations where reliability and fit matter more than bells and whistles.

Built with a thermal magnetic trip unit and a 40°C operating rating, the NM632250 is made to perform consistently under everyday working conditions. The bolt-on mounting style helps ensure a tight, stable connection, while the molded case housing provides added protection in electrical rooms, panels, and switchgear. It’s the kind of breaker electricians reach for when the job needs to be done right the first time.

Key Features and Benefits

• 250 Amp Rating
  Handles heavy electrical loads found in many commercial and industrial applications.
• 3-Pole Design
  Supports three-phase systems used in larger power distribution setups.
• Bolt-On Mounting
  Creates a secure connection that helps reduce movement and long-term wear.
• Thermal Magnetic Protection
  Trips during overloads and short circuits to help protect equipment and wiring.
• Molded Case Construction
  Built for daily use in electrical environments rated up to 40°C.

Technical Specifications

• Amperage: 250A
  
• Poles: 3
  
• Voltage Rating: Up to 600VAC
  
• Interrupting Capacity:
  • 22kA @ 600VAC
  • 30kA @ 480VAC
  • 42kA @ 240VAC
• Frame Type: NM
  
• Dimensions: Approx. 8.19" W x 15.50" L x 4.13" D
  
• Ship Weight: Approx. 38 lbs
  
• Temperature Rating: 40°C
  

Material Compliance and Certifications

• Made from electrical-grade materials suitable for long-term use
• Designed to meet applicable industry safety and performance standards
• Suitable for use in regulated commercial and industrial electrical systems

Where It Works Best

• The NM632250 is commonly used in maintenance, repair, and replacement projects where a 250 amp, 3-pole breaker is required. It works well in manufacturing facilities, commercial buildings, mechanical rooms, and other power distribution environments where dependable circuit protection is essential. This breaker is especially useful when servicing existing systems that need a compatible, high-capacity solution without redesigning the panel.