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| Parameter | 1P | 2P | 3P | 4P |
| Rated current In | 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A, 50A, 63A | |||
| Rated Working Voltage(Ue) | 250V DC | 500V DC | 750V DC | 1000V DC |
| Rated breaking capacity | up to 6000A | |||
| Rated impulse withstand voltage | 6KV | |||
| Instantaneous trip | 7 – 15In | |||
| Printing | Standard or Customized | |||
| Wiring | Incorrect polarity connection prevents proper fault current interruption. Always verify DC power electrode connections. | |||
UKB7Z DC MCB 1P 63A 250V DC Mini Circuit Breaker 6kA
UKB7Z miniature circuit breaker provides advanced electrical protection for DC systems with a rated voltage up to 1000V and a rated current up to 63A. Designed to deliver reliable overload and short-circuit protection, this MCB (miniature circuit breaker) is also suitable for infrequent switching operations in various DC applications.
Widely used in photovoltaic (PV) systems, communications infrastructure, and other industrial DC environments, the UKB7Z ensures safety and performance in demanding electrical systems. Its robust design makes it an ideal choice for solar energy installations, telecom power supplies, and other high-voltage DC circuits.
Free Quote NowKey Features
- 6kA breaking capacity for reliable short-circuit protection
- C characteristic curve with 7-15In instantaneous trip range
- Complies with IEC/EN60898 standards
- Contact position indicator for clear status monitoring
- Specialized DC Arc Extinguishing Technology
Applications
- Photovoltaic DC combiner box protection
- Telecommunications and Data Centers
- DC distribution boards and telecom power systems protection
- Energy Storage Systems (ESS) and Battery Banks
- DC protection for EV chargers
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