HV Switchgear KYN61-40.5KV Technical Manual

KYN61 air-insulated metal-clad withdrawable switchgear (hereinafter as “switchgear”) is a necessary indoor power distribution equipment in 40.5 kV 3-phase AC 50/60Hz. It is mainly used to distribute electrical power in power station and substations of mine, industry and electrical power supply system. Also it is used in control, protection and monitoring etc for line circuit as well as frequently operation site. The switchgear meet the requirements of standard IEC62271-200 、IEC62271-100 etc

Main characteristic
1. Cabinet structure adopts assembly type, circuit breaker adopts handcart floor type structure;
2. Fitted with completely new type of composite insulation of vacuum circuit breaker, and has good compatibility and replace simply characteristic;
3. Handcart frame is provided with a screw nut propelling mechanism, which can be easily moved by the hand cart, and can prevent the damage of the pushing structure from the misoperation ;
4. All operations can be carried out when the door closed;
5. Main switch, trolley,  interlock between switchgear door adopts the mandatory mechanical locking to meet “five protection” function;
6. The space of cable room  is ample, and can connect a plurality of cables;
7. The quickly earth switch for grounding  and line circuit short circuit;
8. Shell protection class IP3X, when handcart room door opening , protection level IP2X;
9. Products comply with IEC62271-200 ,GB 3906-2006, DL/T 404-2007 and reference to the standard of international IEC 298.

Service Conditions