FZN25-12RD / 630 electric load switch with fuse

I. Product Overview FZN25-12 series vacuum load switch and combinations, for three-phase AC 50Hz. 10kV distribution system. With no pollution, no fire and explosion hazards, to frequent operation, etc., can be used as ring counter, the main element box-type substation or other types of switchgear, control for variable, cables, overhead lines and other electrical equipment protection, widely used in factories, residential quarters, high-rise buildings, schools, parks and other distribution systems. Second, the scope FZN25-12D / load switch FZN25-12D combination of electrical main three-phase power supply ring network city distribution and industrial equipment for load control and short circuit protection purposes. Since the protective effect of the combination of electrical transformers and other electrical equipment to be more reliable than circuit breakers, especially for the ring, the radiation-generation unit and the box-type substation ratio. Third, the use of environmental conditions Altitude not more than 1000M; ambient temperature: up to + 40 ℃; minimum -15 ℃; Relative humidity: daily average of less than 95%, on average less than 90%; environmental conditions: non-corrosive gases, flammable gas, water vapor obviously, no recurrent severe vibration. Fourth, the structural characteristics of the load switch for the frame structure, unique compact, integrated isolation switch, load switch, fuses, grounding switch as one of the high-performance high-voltage electrical products. Disconnectors for the direct-acting, parallel to the direction of movement of the vacuum arc chamber direction. Switch off after opening mouth has obvious security partitions, when the grounding switch is closed at the same time, the linkage of security and grounding switch automatically charged separator stationary contact (bus room> closed to repair or replace a fuse is absolutely secure.