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KYN61-40.5 Removable AC Metal-clad Switchgear

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 KYN61-40.5 Removable AC Metal-clad Switchgear

  • Summary

KYN61-40.5 removable AC metal-clad switchgear (short for switchgear as below)  applies to 40.5kV, 3 phase, AC and 50/60Hz electrical power network for receiving  and distributing power energy and also for control, monitor and protect ion. It  is applicable in general power system and occasions with frequent operation.  The product conforms to GB3906: 3~35kV AC Metal Enclosed Switchgear,  IEC60694 & GB/T11022: The common technical clauses of HV Switchgear  and controlgear Standard, DL/T404-1997: Order Technical term of Indoor AC  HV Switchgear and IEC62271-200 1~52kV AC Metal Enclosed Switchgear  and controlgear standard.

1. Ambient temperature: -10 ~40 , daily average:  35 ;  
2. Altitude:  1000m;  
3. Relative humidity: daily average  95%, monthly average  90%;  
4. Earthquake intensity:  8 degree;  
5. Applicable occasions should be free from corrosives, inflammables and vapour.

The switchgear is an assembly unit and the circuit breaker adopts handcart floor model. It owns simply change and well exchange  after equipping with advanced composite insulation vacuum circuit breaker. Lead screw nut propulsion mechanism is installed  in the handcart frame for preventing from fault operating and damaging propulsion mechanism, the handcart can be remove  easily; All of the operation steps can be carried out at closing condition; It is compulsory locking among main switch, handcart  and panel door to meet five protection; wide space for connecting several cable in cable cubicle. Earthing switch is used in  earthing and loop short circuit, protection degree of enclosure is IP3X, IP2X under opening condition.

The switchgear divides into enclosure and handcart, the enclosure is made of aluminium-zinc plated steel sheet after processed  by CNC machine and multi-bending, then is assembled with bolts. So it has strong mechanical strength and can guarantee  the neatness and good appearance. It consist of relay compartment, handcart comp artme nt, c able  degre e is IP2X when CB  handcart is on opening and testing position.   The switchgear is metal-clad removable, main circuit adopts composite insulation processing, emergency spreading to other parts.  CT and earthing switch are mounted in cable compartment and busbar compartment. The protection degree of enclosure is  IP3X, the protection and large space for several cables. The structural design of new completely insulated VCB or SF6 CB and  spring operating mechanism is integrated console model with such excellence of well exchange and simply change.

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