Chint NB1-63B1P20 SP Type B MCB 20A 6kA

The NB1-63B1P20 is a compact and reliable miniature circuit breaker (MCB) designed to protect electrical circuits from overload and short-circuit faults. As part of the NB1-63 series, it is commonly used in residential, commercial, and light industrial electrical distribution systems where safe and stable power protection is required.

With a 20A rated current and 6kA breaking capacity, this device ensures rapid disconnection under fault conditions, helping to safeguard wiring, appliances, and connected electrical equipment. Its Type B tripping curve makes it well-suited for general-purpose circuits with moderate inrush currents, such as lighting and socket outlet circuits.

The NB1-63B1P20 is designed for DIN rail mounting, allowing quick and secure installation into standard distribution boards and control panels.

Key Features:

• Model: NB1-63B1P20
• Type: Miniature Circuit Breaker (MCB)
• Poles: 1P (Single Pole)
• Rated Current: 20A
• Breaking Capacity: 6kA
• Tripping Curve: Type B (3–5 In)
• Mounting: DIN rail installation
• Function: Overload and short-circuit protection