Why Choose the Chint NB1-63DH4P16 Miniature Circuit Breaker?
The Chint NB1-63DH4P16 is a robust and dependable 4 pole miniature circuit breaker (MCB) designed to provide overload and short-circuit protection in low-voltage electrical distribution systems. As part of the trusted Chint NB1 Series, this device is suitable for commercial, industrial and control panel applications where reliable circuit protection and isolation are required.
With a 16 A rated current, D curve tripping characteristic and 10 kA breaking capacity, the NB1-63DH4P16 is ideal for circuits with high inrush currents, such as transformer-fed circuits, discharge lighting and inductive loads. Its four-pole design allows simultaneous protection and switching of three-phase circuits with neutral.
The compact DIN rail format makes installation straightforward inside distribution boards, control panels and electrical enclosures. Built for dependable operation, the Chint NB1-63DH4P16 helps safeguard electrical circuits while supporting safe isolation during maintenance and fault conditions.
Key Advantages
- 4 pole miniature circuit breaker for three-phase and neutral protection.
- 16 A rated current suitable for low-voltage distribution circuits.
- D curve characteristic for circuits with high inrush current.
- 10 kA breaking capacity for enhanced fault protection.
- Provides overload protection, short-circuit protection, switching and isolation.
- Compact DIN rail mounting for distribution boards and control panels.
Key Features
- Chint NB1 Series miniature circuit breaker.
- 4 pole configuration.
- 16 A rated current.
- D curve tripping characteristic.
- 10 kA rated breaking capacity.
- Designed for AC 50/60 Hz low-voltage circuits.
- DIN rail mounting for fast panel installation.
- Suitable for protection, switching and circuit isolation.
Reliable Circuit Protection for Electrical Distribution
Miniature circuit breakers such as the Chint NB1-63DH4P16 are designed to automatically disconnect electrical circuits when overload or short-circuit conditions occur. This helps protect cables, connected equipment and electrical installations from damage caused by excessive current.
The D curve characteristic makes this MCB particularly suitable for circuits where higher starting currents are expected. It provides dependable protection while reducing nuisance tripping in suitable high-inrush applications.
Typical Applications
- Three-phase electrical distribution boards.
- Industrial control panels and machinery circuits.
- Transformer and inductive load circuits.
- Discharge lighting and high inrush applications.
- Commercial building electrical installations.
- Low-voltage power distribution systems.
