The CHINT NXB-63 2P AC 400V 63A Miniature Circuit Breaker (MCB) is a high-quality electrical protection device engineered for safe and efficient power distribution. Designed for modern electrical systems, it provides dependable protection against overloads and short circuits, ensuring long-term system reliability.
With a 2-pole (2P) configuration, this breaker protects both live and neutral lines, making it suitable for single-phase AC systems. It operates within a voltage range of 230V–400V AC and supports frequencies of 50/60Hz, ensuring compatibility with standard electrical networks.
The NXB-63 series is known for its robust performance and durability. It features a breaking capacity of 6kA, allowing it to safely interrupt fault currents and protect connected equipment from damage. The thermal-magnetic trip mechanism ensures fast and accurate disconnection during abnormal conditions.
This MCB is widely used in residential buildings, commercial installations, and light industrial applications. It is ideal for protecting circuits such as lighting systems, distribution boards, HVAC equipment, and small machinery.
Built in compliance with IEC/EN 60898-1 standards, the CHINT NXB-63 guarantees safety, reliability, and long service life. Its compact design allows easy DIN rail mounting, making installation quick and convenient for electricians and installers.
Key Features:
2-pole (2P) configuration for enhanced safety
Rated current: 63A
Voltage rating: 230V–400V AC
Breaking capacity: 6kA
Protection against overload and short circuit
Thermal-magnetic tripping mechanism
Supports B, C, and D tripping curves
DIN rail mounting for easy installation
Complies with IEC/EN 60898-1 standards
Suitable for residential, commercial, and light industrial use
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