NJL424400 | Circuit Breaker | 400A | 2-Pole | 480V

NJL424400 Industrial Circuit Breaker delivers dependable overcurrent protection for demanding electrical systems. With a rating of 400A and two poles, this unit is designed for 480V applications in manufacturing, processing, and heavy equipment environments.

Designed for maintenance, retrofit, and replacement projects where exact specs matter, this breaker ensures you maintain system integrity when upgrading or restoring protection.

Key specifications

• Amperage: 400A
• Poles: 2-Pole
• Voltage: 480V

Why choose this NJL424400 model

• Exact reference for compatibility: The part number NJL424400 ensures a precise fit with compatible panels and equipment. Use the part number as the primary reference when verifying fit.
• Enhanced protection for 480V systems: Supports reliable isolation and interruption of fault currents in industrial settings.
• Reliable for rugged environments: Built to handle continuous operation in maintenance and replacement scenarios without compromising safety.
• Versatile use cases: Ideal as a spare part for service inventories, or as the targeted replacement in retrofit projects to align with existing infrastructure.

Use cases and scenarios

• Maintenance: Swap in a proven 400A, 2-pole breaker to restore full protection with minimal downtime.
• Retrofit: Upgrade or adapt panels to 480V distribution while maintaining correct protection and coordination.
• Replacement: Preserve system continuity by selecting the exact NJL424400 when a breaker fails or reaches end of life.

Practical notes

• Always confirm fit and ratings before ordering. The NJL424400 part number is the best compatibility reference.
• Review panel listings and termination styles to ensure a seamless installation.
• Keep a spare NJL424400 on hand to reduce downtime during planned maintenance or unexpected outages.

Secure your 480V, 400A two-pole protection with the NJL424400 circuit breaker and safeguard your industrial operations with reliable, match-ready performance.