Chint NB1-63 - 40A, 2-Pole, Circuit Breaker

Engineered for reliability in demanding electrical environments, the Chint NB1-63 40A, 2-Pole Circuit Breaker delivers precise overcurrent protection for panelboards, switchboards, and control panels. Built for industrial, commercial, and OEM settings, it helps safeguard equipment and maintain uptime by interrupting fault currents safely and predictably.

• Current rating: 40A
• Poles: 2-Pole
• Breaker type: Circuit Breaker
• Applications: Panelboards, switchboards, and control panels within distribution systems

The two-pole configuration provides robust protection across two live conductors, simplifying wiring and ensuring synchronized protection across phases in common distribution and motor control setups. This NB1-63 model is purpose-built for environments where dependable protection and safe operation are critical, from dense industrial panels to commercial gear racks and OEM assemblies.

• Ideal for industrial, commercial, and OEM applications requiring reliable overcurrent protection
• Compact design suited for integration into standard distribution enclosures and control cabinets
• Clear, predictable protection for circuits powering motors, conveyors, HVAC equipment, and power distribution

Practical use scenarios include installing the NB1-63 as the primary overcurrent device in new installations or as a trusted replacement in existing panels where 40A protection is required. It’s well-suited for motor control centers, panelboard upgrades, and equipment racks that demand dependable circuit interruption to minimize downtime and protect wiring and meters.

Tips for optimal deployment: ensure the device is wired in accordance with your system’s design and the panel manufacturer’s guidelines, and verify lead sizing and secure mounting within the enclosure. With the Chint NB1-63, you get a dedicated, purpose-built solution that aligns with real-world distribution needs while delivering clarity of protection across two critical conductors.