... 1. DC1200V Circuit Breaker 2.CB,Mechanical life: 20000times 3.connection up to 35mm2 4.Photovoltaic circuit breaker. DC1200V ... DC mcb Circuit breaker 2.CB,Mechanical life: 20000times 3.connection up to 35mm2 4.DC 5.From year 1992 ... °C~+40°C Mechanical life: 30,000timesConnection: 35mm2Standard: IEC60947-3 GB14048.3 Used with Solar concentrator , Solar inverter, solar cell, DC solar cable, solar power