1.High quality, competitive price. 2.Made by our own factory. 3.high voltage DC Circuit breaker 4.Certification: ISO9001Features: Rated Voltage (KV)40.5Rated Current (A)2000Breaking Current (KA)31.5Rated Peak withstand current (KA)80Rated frequency (Hz)50 We can produce various types of DC circuit breaker as per your requirements! We hope to establish long-term relationship with you based on mutual be