CBI Electric Cartridge Fuses Circuit breaker 625495 - CBI Electric QYD18U250B0, CBI Electric manufactures the QYD18U250B0 circuit breaker, designed for use in photovoltaic systems. This unit supports a 50 A current at 80 V DC, making it ideal for solar power applications. Its robust construction ensures reliable protection in demanding electrical environments. CBI Electric QYD18U250B0 Circuit Breaker 50A 80V DC For Solar Systems