Chint NB1-63C3P63 Triple Pole Type C MCB 63A 6kA

The NB1-63C3P63 is a high-capacity miniature circuit breaker (MCB) designed to provide reliable protection against overload and short-circuit faults in three-phase electrical systems. As part of the NB1-63 series, it is suitable for residential, commercial, and industrial applications where dependable circuit protection and continuous operation are essential.

Featuring a 63A rated current and a 6kA breaking capacity, the NB1-63C3P63 ensures rapid fault interruption to protect electrical wiring, equipment, and connected loads from damage. Its Type C tripping curve is designed to accommodate moderate to high inrush currents, making it ideal for circuits supplying motors, transformers, HVAC equipment, and other inductive loads.

The 3-pole (3P) configuration provides simultaneous disconnection of all three phases, ensuring balanced protection and enhanced safety in three-phase distribution networks. Designed for DIN rail mounting, it enables quick and secure installation in distribution boards, switchboards, and control panels.

Key Features:

• Model: NB1-63C3P63
• Type: Miniature Circuit Breaker (MCB)
• Poles: 3P (Three Pole)
• Rated Current: 63A
• Breaking Capacity: 6kA
• Tripping Curve: Type C (5–10 In)
• Mounting: DIN rail installation
• Function: Overload and short-circuit protection