250NA - 250A, 480V, 3-Pole, Switch

The 250NA is a rugged 3-Pole switch engineered for reliable on/off isolation and solid overcurrent protection in demanding industrial and commercial settings. With a 250A rating at 480V, this compact fusible switch delivers dependable performance where space and maintenance efficiency matter most.

• Three-pole, 480V, 250A configuration: Ensures simultaneous disconnect of all phases for safer maintenance and protected motor and circuit operation.
• Compact, maintainable fusible switch design: A space-efficient solution that simplifies wiring, servicing, and routine checks without compromising protection.
• Ideal for motor disconnects, panelboards, and branch circuits: A versatile choice for switching and protecting critical loads in centralized control and distribution panels.
• Rugged construction for challenging environments: Built to endure industrial and commercial installations where reliability is essential.
• Clear, straightforward operation: Fast isolation during maintenance or emergency stoppages, with predictable contact behavior and easy fault identification.

The 250NA is designed for real-world use cases—from turning off large motors on manufacturing lines to serving as a dependable protection point in panelboards and branch circuits. If you’re upgrading an existing power distribution setup or specifying a new disconnect for 480V three-phase systems, this switch delivers a compact footprint without sacrificing protection or serviceability.

Technical specifications

• Model: 250NA
• Amperage: 250A
• Voltage: 480V
• Poles: 3-Pole

In summary, the 250NA stands out for delivering sturdy isolation and controlled protection in a compact, maintainable package—making it an excellent choice for motor disconnects, panelboard integration, and reliable branch circuit protection in space-constrained installations.