ITE | CJ3B400 | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On

The ITE CJ3B400 Circuit Breaker is a robust, bolt-on solution built for demanding industrial electrical distributions. With a 400A rating across three poles and a 600V capacity, this unit is purposefully designed for maintenance, retrofit, and replacement projects where exact specifications matter. When you need a dependable breaker that fits a compatible three-pole, 600V enclosure, the CJ3B400 is a precise match.

Key specifications

• Amperage: 400 A
• Poles: 3-Pole
• Voltage: 600 V
• Mounting: Bolt-On

Why choose the CJ3B400 for your panel

This ITE circuit breaker is engineered for reliability in real-world environments where vibration, space constraints, and continued operation matter. The bolt-on design provides a secure, solid connection to compatible bus systems, making it ideal for retrofit and replacement projects in industrial panels, commercial distributions, and service entrances. Using the CJ3B400 as your reference part number helps ensure compatibility with your existing enclosure and labeling, minimizing downtime and compatibility guesswork.

Ideal use cases

• Maintenance and servicing of legacy ITE panels that require a 400A, 3-pole, 600V bolt-on breaker
• Retrofit projects aimed at upgrading feeder protection in industrial distribution systems
• Replacement for aging breakers in spare parts inventories to maintain uninterrupted power delivery
• New installations in environments where a reliable, bolted connection is preferred for long-term stability

Practical guidance for installation and compatibility

• Always confirm fit and ratings before ordering; the CJ3B400 part number is the best reference for compatibility
• Ensure your enclosure or panel supports bolt-on breakers and matches the three-pole, 600V configuration
• Verify bus bar arrangement and mounting footprint to align with the CJ3B400 specifications

For projects requiring a trusted, high-capacity protection device within 600V industrial systems, the ITE CJ3B400 delivers straightforward installation, solid performance, and compatibility clarity. Add it to your order to ensure your distribution network runs with dependable protection that aligns with established specs.