Cb CB3H400 - Circuit Breaker

The CB3H400 Circuit Breaker is engineered to deliver unwavering overcurrent protection in the toughest electrical environments. Designed for reliability, it protects essential systems by quickly interrupting faults, helping prevent damage to wiring, components, and downstream equipment.

Ideal for panelboards, switchboards, control panels, and OEM equipment, this breaker is crafted to perform where safe operation matters most. It serves industrial facilities, commercial installations, and OEM integrations that require dependable protection in distribution panels and motor control centers.

• Targeted overcurrent protection: precise interruption to guard circuits, motors, and drives from overloads and short circuits, reducing the risk of cascading faults.
• Rugged reliability: built to maintain consistent performance in demanding environments found in panelboards, switchboards, and control installations.
• Versatile deployment: suitable for industrial, commercial, and OEM applications where safe, predictable interruption is critical to uptime.
• Protection for critical infrastructure: supports the safe operation of distribution panels and motor control centers, helping keep production lines moving.
• Operational peace of mind: fewer unexpected outages and easier maintenance planning thanks to dependable fault interruption.

Who benefits most: maintenance teams in manufacturing plants, electrical integrators building robust control systems, and facilities engineers overseeing commercial power distribution. If your setup relies on reliable circuit protection in panels and MCCs, the CB3H400 is a practical, no-nonsense choice that aligns with real-world needs.

Practical usage notes: verify compatibility with your existing panel configuration and ensure correct rating alignment for overcurrent protection. This breaker is designed to integrate into standard distribution architectures where durable, safe fault interruption is essential for continuous operation and long-term system resilience.