MCB 1P C-Curve, 6kA

CHINT NXB-63G-1P-C – 1-Pole C-Curve Miniature Circuit Breaker

The CHINT NXB-63G-1P-C is a compact and reliable miniature circuit breaker designed for single-phase electrical circuits. With its C-curve tripping characteristics, it provides dependable protection for general-purpose loads that may experience moderate inrush currents, making it suitable for residential, commercial and light-industrial installations.

Key Features

• 1-pole protection for compact single-phase circuits.
• C-curve tripping – ideal for circuits with moderate inrush currents such as lighting, small motors and inverter outputs.
• Thermal-magnetic trip unit for accurate overload and short-circuit protection.
• DIN-rail mounted design for fast and tidy installation.
• Clear ON/OFF indication for enhanced operational safety.
• Durable, high-strength housing designed for long service life.

Typical Applications

• Lighting circuits and general-purpose plug circuits.
• Small motors, pumps, fans and appliances.
• Solar inverter AC output distribution.
• Residential and commercial distribution boards.
• Workshops, offices and auxiliary circuits.

Installation Notes

• Mount on a standard 35 mm DIN rail in a compliant DB enclosure.
• Follow correct wiring orientation according to the breaker markings.
• Use appropriate conductor sizes and torque settings.
• Coordinate with upstream/downstream devices for proper fault discrimination.

The NXB-63G-1P-C offers dependable C-curve protection and a compact, installer-friendly design—making it a trusted choice for electricians, solar professionals and system integrators.