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CHINT NB1-63 Din Rail Mount Circuit Breaker Supplies

Manufacturer: CHINT
Model: NB1-63 Miniature Circuit Breaker
Rated Current Range: 1A-63A
Rated Voltage: 230/400V AC
Breaking Capacity: 4.5kA / 6kA
Trip Curve Options: B, C, D curves
Pole Options: 1P / 2P / 3P / 4P
Mounting: DIN rail mounting

Product Description

The CHINT NB1-63 series rail-mounted circuit breaker is a high-performance, compact, and durable low-voltage protection device suitable for residential, commercial, and light industrial circuits. Offering a rated current range from 1A to 63A, it supports multiple tripping characteristic curves (B, C, D) to effectively protect circuits from overload and short-circuit damage. Its modular design allows for easy installation on standard DIN rails, providing single-pole to four-pole options to ensure flexible configuration and reliable operation, making it ideal for everyday power distribution and circuit protection.

Standard Features

  • Overload Protection: Automatically trips when current exceeds rated value to prevent circuit damage

  • Short-Circuit Protection: Rapid interruption of high fault currents to protect wiring and equipment

  • Multiple Pole Options: Available in 1P, 2P, 3P, and 4P configurations for versatile circuit protection

  • Trip Curve Selection: B, C, and D curves for different applications and load types

  • DIN Rail Mounting: Easy installation and replacement on standard 35mm DIN rails

  • Manual Switching: Allows safe manual ON/OFF operation of circuits

  • Compact Design: Space-saving size suitable for distribution boards and control panels

  • Reliable Operation: High mechanical and electrical endurance for long-term use

Technical Specifications

ModelRated Current (A)PoleSupply VoltageBreaking Capacity
NB1-63 B11 A1P230/400V AC6 kA
NB1-63 B66 A1P230/400V AC6 kA
NB1-63 C1010 A1P230/400V AC6 kA
NB1-63 C1616 A1P230/400V AC6 kA
NB1-63 C2020 A1P230/400V AC6 kA
NB1-63 C2525 A1P230/400V AC6 kA
NB1-63 C3232 A1P230/400V AC6 kA
NB1-63 C4040 A1P230/400V AC6 kA
NB1-63 C5050 A1P230/400V AC6 kA
NB1-63 C6363 A1P230/400V AC6 kA
NB1-63 D1616 A2P230/400V AC10 kA
NB1-63 D3232 A2P230/400V AC10 kA
NB1-63 D6363 A2P230/400V AC10 kA
NB1-63 D1616 A3P230/400V AC10 kA
NB1-63 D3232 A3P230/400V AC10 kA
NB1-63 D6363 A3P230/400V AC10 kA
NB1-63 D1616 A4P230/400V AC10 kA
NB1-63 D3232 A4P230/400V AC10 kA
NB1-63 D6363 A4P230/400V AC10 kA

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