Chint NXB-63 H Miniature Circuit Breaker

The Chint NXB-63 H Miniature Circuit Breaker (MCB) is designed to provide dependable protection against overcurrents and short circuits in both residential and commercial installations. As part of the trusted Chint Circuit Breaker range, it combines advanced safety features with a compact design, making it a cost-effective and reliable choice for electrical distribution.

Available in 2-pole (2P) and 3-pole (3P) versions, the NXB-63 H adapts to both single-phase and three-phase circuits. The 1P model is commonly used to protect live or neutral conductors in household or light commercial wiring, while the 2P and 3P version ensures safety in industrial and triple-phase applications.

Key Features

• 1-pole protection
• Thermal-magnetic trip for reliable operation
• High short-circuit breaking capacity (up to 10kA)
• Compact size with easy DIN rail mounting
• Visual indication for quick status checks
• Trip curve options (B, C, D) to suit different applications
• Rated frequency: 50Hz

Specifications

• Model: Chint NXB-63 H
• Poles: 1P
• Rated current (In): multiple options
• Rated voltage (Un): standard AC ratings
• Breaking capacity (Icn): up to 10,000A
• Impulse withstand voltage: 4kV
• Mechanical life: up to 20,000 cycles
• Electrical life: up to 10,000 cycles
• Mounting: DIN rail
• Standards: compliant with international safety requirements

Applications

• Residential distribution boards
• Single-phase circuits (1P)
• Commercial and office installations
• Industrial electrical panels

Benefits

• Reliable overcurrent and short-circuit protection
• Enhanced safety for people and equipment
• Easy to install and maintain
• Space-saving compact design
• Long mechanical and electrical lifespan
• Cost-effective protection solution

Package Includes

• 1 × Chint NXB-63 H 1P Miniature Circuit Breaker

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CHINT NXB-63 H 3 Pole Miniature Circuit Breaker – Reliable 3-Phase Protection