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KYN61-40.5AC Drawout Metal-clad and Metal-enclosed Switchgear
KYN61-40.5AC Drawout Metal-clad and Metal-enclosed Switchgear

1.suitable for bus power system 2.heat shrinkable insulating material 3.epoxy coating insulating technology

KYN61-40.5AC Drawout Metal-clad and Metal-enclosed Switchgear

Model Description

K---------------------------------------metal-clad

Y---------------------------------------withdrawable

N---------------------------------------Indoor

61--------------------------------------design No.

40.5-------------------------------------rated voltage (KV)

Summary

KYN61-40.5 AC withdraw out metal-clad and metal-enclosed Switchgear is suitable for single-bus and the single-bus power system of three-phase AC 50HZ, 35KV. And it mainly used in the power plants, substation, industrial and mining enterprises, high-rise buildings to receive and distribute power, and monitor control and protect of the circuit. It complies with the standard of IEC60298, GB3906, and DL404 and has the perfected “five defense” system.

It is with the withdraw out ZN85-40.5 (3AV3) vacuum circuit breaker or SF type of SP series of SF6 circuit breaker. It applies the heat shrinkable insulating material and epoxy coating insulating technology. The optimized electrode shape makes the structure compacted, small sized. The cabinet applies the high-quality aluminum-zinc alloy steel sheet, processed by NC, connected by high-intensity bolts, nut and rivet nut; the surface applies the mining spray or galvanized process. The cubicles are isolated by metal clapboard with unique pressure channel.

Technical parameters

Item

Unit

Value

Rated voltage

KV

40.5

Rated insulation level

1 min power frequency withstand voltage

KV

Phase-phase

Phase-earth

Isolation fracture

95

118

Rated lightning impulse withstand voltage

185

215

Rated short-time withstand current (4S)

KA

20, 25, 31.5

Specified short circuit drop-out current

KA

20, 25, 31.5

Rated withstand current (peak)

KA

50, 63, 80

Rated short circuit making current

KA

50, 63, 80

Rated current

A

1250-2500

Protection degree

IP4X

External dimension (W*D*H)

mm

1400*2800(3000)*2800 (3000: SF6)

KYN61-40.5AC Drawout Metal-clad and Metal-enclosed Switchgear

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