NSF250A NSF250A Circuit Breaker, 250A, 3-Pole

The NSF250A 3-Pole Circuit Breaker delivers dependable overcurrent protection for demanding industrial electrical service, maintenance, and replacement projects. With a 250 A rating across three poles, this breaker is built to safeguard large three-phase feeders and motors, helping you minimize downtime and extend equipment life. Use the part number NSF250A to verify compatibility with your application and panel configuration.

Key benefits that matter in the field

• Three-pole design for 3-phase systems: Provides coordinated protection across all phases, reducing the risk of unbalanced loads and phase faults.
• 250 A capacity: Suits high-current feeders and motor circuits common in industrial environments, enabling reliable shutdown when faults occur.
• Ideal for service, maintenance, and replacement: A straightforward upgrade path for aging panels or new installations, helping you meet uptime goals without overhauling your infrastructure.
• Compatibility at a glance: Confirm fit by part number (NSF250A) and application requirements to ensure seamless integration with your equipment and panels.
• Support when you need it: If you’re unsure about compatibility, you can message us and we’ll assist with matching the right part to your system.

Who benefits most

• Electrical contractors and panel manufacturers conducting industrial installations or upgrades
• Maintenance teams performing routine replacements on high-current, three-phase circuits
• Plant engineers overseeing motor-control centers and large feeders in manufacturing or processing facilities

Real-world use cases

• Retrofit projects where existing panels require higher-current protection for new three-phase equipment
• New installations in facilities with heavy motor loads, conveyors, pumps, and HVAC systems
• Preventive maintenance cycles that rely on consistent, reliable circuit protection across all three phases

Specifications at a glance

• Amperage: 250 A
• Poles: 3
• Product Type: Circuit Breaker
• Part Number: NSF250A

Notes: Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm the right fit for your system.