Product Description:
FN12-12(D) compressed air load switch, FZ12-12R(D) series compressed air load switch fuse combination appliance, suitable for 12KV and below three-phase power distribution system, as transformers, cables, overhead lines and other power equipment For control and protection; especially suitable for terminal substations and box-type substations of urban and rural power grids. And it is suitable for the control and protection of ring network and double radiation power supply unit.
FN12-12(D) series compressed air switch can switch load current and overload current.
FZ12-12R(D) series compressed air load switch-fuse combination can switch load current, overload current, break circuit short circuit current.
Item Meaning:
Application Condition:
Structure Feature:
1.The load switch, grounding switch, fuse and mechanism are on one frame, which can be flexibly combined, compact in structure, small in size, and easy to install;
2.The fracture is arranged in direct motion, with high dynamic and thermal stable current parameters, and the operation can be completed at one time;
3.With the static contact insulation cover, the ring main unit is structurally isolated, eliminating the need for phase-to-phase insulation partitions and fracture insulation inserts, which can prevent arc short-circuit accidents in the cabinet.
4.With a unique valve structure, after the load switch is opened, the grounding switch is closed and the valve is closed, and the protection performance is good;
5.There is a reliable mechanical locking device between the load switch, the grounding switch and the fuse, which meets the requirements of “five defenses”;
6.It has two forms of manual operation and electric operation of AC and DC dual-purpose operating power, which is convenient for realizing the “three remote” requirements of the power system.
Main Technical Parameters:
Optimized by Seraphinite Accelerator
