Medium-voltage disconnect switch DFK series

SF6 gas-insulated

Overview The cable sectionalising switch is filled with SF6 gas with load switch or circuit breaker in the sealed tank. This switch shares the characteristics of cable sectionalising cabinet as well as RMU. It operates at the front and has incoming and outgoing cables at lateral sides, cooperates with anti-explosion valve at back, which gurantees the safety of staffs and equipments. Product Features • Fully shielded and insulated, safe and reliable.  • Multiple connection methods, easy assembling. • Compact, easy operation. • Isolating fault section, reducing power down affection area. • Convenient to inspect and maintain the network. Parameters Rated Short-time Withstand Current 20kA, 4S 1min Power Frequency Withstand Voltage 42kV Lightning Impulse Withstand Voltage 75kV 15min DC Withstand Voltage 78kV IP Rating of Primary Equipments IP67