MCB 2P D-Curve, 6kA

CHINT NXB-63G-2P – 2-Pole Miniature Circuit Breaker

The CHINT NXB-63G-2P is a reliable miniature circuit breaker designed for the protection of single-phase electrical circuits. With its 2-pole design, it provides complete isolation of both the live and neutral conductors, ensuring enhanced safety and dependable protection in residential, commercial and light-industrial installations.

Key Features

• 2-pole protection for safe disconnection of live and neutral conductors.
• Thermal-magnetic trip mechanism for accurate overload and short-circuit protection.
• Compact DIN-rail design for quick and clean installation.
• Durable, high-quality housing designed for long-term performance.
• Clear ON/OFF indication for improved operational safety.
• Suitable for DB upgrades and new installations.

Typical Applications

• Single-phase distribution boards in homes and businesses.
• Lighting, plug circuits and small power loads.
• AC output protection for inverter and solar systems.
• Backup power circuits and generator boards.
• Workshops, offices and general electrical installations.

Installation Notes

• Mount on a standard 35 mm DIN rail inside a compliant enclosure.
• Ensure correct wiring orientation according to the breaker markings.
• Use appropriately rated conductors and follow torque specifications.
• Coordinate with upstream and downstream devices for proper selectivity.

The NXB-63G-2P offers dependable protection, enhanced safety and a clean installation experience, making it a trusted choice for electricians and solar installers.