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nb1-63dc-2p-c50 chint 50a 2 pole c curve dc500v (solar) type miniture circuit breaker
Chint NB1-63DC-2P-C50 50A two pole Type C DC miniature circuit breaker rated at 500V DC with 6kA breaking capacity for solar PV, battery storage and DC distribution systems.
£13.32
Why Choose the Chint NB1-63DC-2P-C50 DC Miniature Circuit Breaker?
The Chint NB1-63DC-2P-C50 is a high-performance two pole Type C DC miniature circuit breaker (MCB) designed to provide dependable overload and short circuit protection for direct current electrical systems. As part of the proven Chint NB1-63DC Series, it is specifically engineered for photovoltaic systems, battery energy storage, telecommunications infrastructure and industrial DC power distribution.
Featuring a 50A current rating, Type C tripping characteristic and a 500V DC rated voltage, the NB1-63DC-2P-C50 is ideal for protecting higher current DC circuits where safe fault interruption and reliable isolation are essential. Its compact DIN rail mounted design allows straightforward installation inside PV combiner boxes, DC distribution boards, battery enclosures and industrial control panels.
Manufactured in accordance with IEC/EN 60947-2, this Chint DC circuit breaker automatically disconnects the circuit during overload or short circuit conditions, helping protect cables, equipment and connected loads. The NB1-63DC Series also offers a 6kA breaking capacity, high mechanical durability and reliable performance in demanding DC applications.
Key Advantages
- 50A DC miniature circuit breaker for dependable circuit protection.
- Two pole Type C configuration for DC installations.
- 500V DC rated voltage for photovoltaic and battery systems.
- 6kA breaking capacity for reliable fault interruption.
- Protects against overloads and short circuits.
- Compact DIN rail mounting design for straightforward installation.
Key Features
- Chint NB1-63DC Series DC miniature circuit breaker.
- 50A rated current.
- Two pole (2P) configuration.
- Type C tripping characteristic.
- 500V DC rated voltage.
- 6kA short circuit breaking capacity.
- Manufactured to IEC/EN 60947-2.
- Suitable for DIN rail installation in DC electrical enclosures.
Reliable Protection for DC Power Systems
Direct current systems require circuit breakers specifically designed to interrupt DC fault currents safely. The Chint NB1-63DC-2P-C50 provides dependable overload and short circuit protection while helping safeguard photovoltaic arrays, battery storage systems, telecommunications equipment and industrial DC installations.
Its Type C tripping characteristic is suitable for circuits with moderate inrush currents, while the two pole configuration enables reliable isolation of both conductors where required. The compact modular housing also helps maximise available space within modern electrical panels.
Typical Applications
- Solar photovoltaic systems.
- PV combiner boxes.
- Battery energy storage systems.
- DC distribution boards.
- Telecommunications power systems.
- Industrial DC control panels.
Technical Specifications
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| Voltage | 500 V DC | |
|---|---|---|
| Current | 50 A | |
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | Chint | |
| Series | NB1-63DC | |
| Model | NB1-63DC-2P-C50 | |
| Product type | DC Miniature Circuit Breaker (MCB) | |
| Current rating | 50A | |
| Number of poles | 2 Pole | |
| Tripping curve | Type C | |
| Rated voltage | 500V DC | |
| Breaking capacity | 6kA | |
| Standard | IEC/EN 60947-2 | |
| Mounting type | 35 mm DIN rail | |
| Protection rating | IP20 | |
| Mechanical life | 20,000 operations |
Frequently Asked Questions
What is the Chint NB1-63DC-2P-C50 used for?
The NB1-63DC-2P-C50 protects DC electrical circuits against overloads and short circuits in solar PV, battery storage, telecommunications and industrial DC power systems.
What current rating does this DC MCB have?
This model has a 50A current rating.
What voltage is the NB1-63DC-2P-C50 rated for?
The two pole version is rated for 500V DC.
What does the Type C tripping characteristic mean?
Type C circuit breakers trip between approximately 7 and 10 times their rated current, making them suitable for DC circuits with moderate inrush currents.
Where is this DC circuit breaker typically installed?
It is designed for DIN rail installation inside PV combiner boxes, DC distribution boards, battery systems and industrial electrical control panels.
Trusted for DC Circuit Protection
Chint NB1-63DC miniature circuit breakers are trusted by renewable energy installers, panel builders and electrical engineers for dependable overload and short circuit protection across modern DC power systems.
