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KYN28-12 armovable ac metal enclosed switch equipments
KYN28-12 armored removable DC metal enclosed switch equipment(hereinafter referredled to as “switch gear”).It is applicable to three phade AC 50HZ power system,uses for receiving and diteibuting electric energy and contrlling, protecting ang supervising the circuit.

Normal use condition

● Ambient air temperature:maximum temperature+40 ℃,minimum temperature -15℃.

● Humidity condition:daily average relative humidity: ≤95﹪,daily average vapor pressure shall not exceed 2.2Kpa;Monthly average relative humidity: ≤90﹪,Monthly average vapor pressure shall not exceed 1.8Kpa

● Altitude:Below 3000m.

● Earthquake intensity:Lower than 8 degrees.

● The ambient ait shall not be polluted by distinctive corrosive ot conbustble gas,vaporetc.

● Places free of frequent excessive vibrations.

● The user shall negotiate with manufacturer if the equipment is used beyond the normal conditions described in GB3906.

■ Design featuers

● Switch gear structure plesse see to figurel.

● Entirely metal armored,assembly structure, wide range of assembly schemes.

● The cabinet body adopts importes aluminized and galvanized sheet ,which is prossed

With CNC machine tool and advanced multiple flanging techniques ang connected with excellent nuts and bolts of high intensity,providing high precision,anticorrosion,Small weight,high intensity,and good parts versatility.

● It can assembly home produced VSI series or the imported VD4 series vacuum circuit breakers,with wide applicability,high reliability,free og maintenance for

Mainrenance for long years.

● Operation and testing positions will be established for the handcart,and both positions are equipped with safe and reliable positioning device and display device.

● All kinds of hancars shall change in a modulus cordwood manner, so as to insure that handcares of same kind can be freely exchanged,while carts of different kinds are stirictly stopped from entering.

● Fandcarts are transported with special use carrier loader, so it is easy and flexible to operate.

● Fandcarts are transported with special use carrier loader,so it is sasy and flexible to operate.

● The cadble room can be installed as many as 9 single-core cables.

● Highly reliable interlocking device meets fully the requirements of “five prevention”.

● There is pressure relief channel in each high voltage room ,so as to ensure personal safety.

● The front door is installed with a observation window to operating state of the components inside the room.

Srand dards of conformity of the product

   GB3906(3-35kv DC metal enclosed switch gear ).GB/T 11022(the shared technical requirements of high voltage switch gear and control rquipment standards),IEC60298(DC meatal enclosed switch gear and equipments with a rated voltage of over 1 KV and below 50KV),DL/T404（the order technical conditions of indoor AC high voltage switch cabinet）.