Why Choose the Chint NB1-63C3P04 Miniature Circuit Breaker?
The Chint NB1-63C3P04 is a compact and dependable miniature circuit breaker (MCB) designed to protect low voltage electrical circuits against overloads and short circuits. As part of the Chint NB1-63 series, it provides reliable circuit protection for residential, commercial and light industrial electrical installations.
This 3 pole C curve MCB features a 4 A rated current, making it suitable for low current three-phase control circuits, instrumentation systems, signalling equipment and lightly inductive loads. The C curve tripping characteristic allows for moderate inrush currents, making it suitable for mixed resistive and inductive applications.
With a rated short-circuit breaking capacity of 6 kA and a standard 35 mm DIN rail mounting format, the NB1-63C3P04 is easy to install within distribution boards and electrical control panels. Its 3 pole design provides simultaneous isolation and protection across all three phases.
Key Advantages
- Compact 3 pole miniature circuit breaker.
- 4 A rated current for low current three-phase circuits.
- C curve trip characteristic for moderate inrush current loads.
- 6 kA short-circuit breaking capacity.
- Reliable overload and short-circuit protection.
- DIN rail installation in distribution boards and control panels.
Key Features
- Chint NB1-63 series MCB.
- 4 A rated current.
- C curve tripping characteristic.
- 3 pole configuration.
- 6 kA breaking capacity.
- 400 V AC rated voltage.
- 35 mm DIN rail mounting.
- Suitable for overload, short-circuit protection and circuit isolation.
Reliable Protection for Three-Phase Mixed Load Circuits
Miniature circuit breakers such as the Chint NB1-63C3P04 automatically disconnect electrical circuits when overloads or short circuits occur. This helps protect wiring, connected equipment and electrical installations from excessive current and fault conditions.
The C curve characteristic trips between five and ten times the rated current, making it suitable for mixed resistive and inductive loads, control circuits, instrumentation circuits, relays, small transformers and three-phase circuits with moderate inrush current.
Typical Applications
- Three-phase distribution boards.
- Industrial control panels.
- Control and signalling circuits.
- Instrumentation circuits.
- Small transformers and relays.
- Electrical installations requiring 4 A three-phase protection.
