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KYN28-24 Type MV Switchgear

Short Description:

China KYN28 indoor metal-clad with drawable switchgear(hereafter short as swithgear) is a complete power distribution device for 3.6~24KV, 3 phase AC 50Hz.The switchgear meets IEC298, GB3906-91 standard. it can be used with VD4 from ABB, 3AH5 from Siemens domestic ZN65A, and VB2 from GE, etc....


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KYN28-24 Type MV Switchgear

China KYN28 indoor metal-clad with drawable switchgear(hereafter short as swithgear) is a complete power distribution device for 3.6~24KV, 3 phase AC 50Hz, single bus sectionalized system. It is mainly used for power transmission of middle/small generators in power plants, power receiving, transmission for substations in power distribution and power system of factories, mines and enterprises, and starting of large high-voltage motor,etc, so as to control, protect and monitor the system. The switchgear meets IEC298, GB3906-91. In addition to be used with domestic VS1 vacuum circuit breaker, it can be used with VD4 from ABB, 3AH5 from Siemens domestic ZN65A, and VB2 from GE, etc. It is truly a power distribution deviece with good performance.

In order to meet the requirement for wall mounting and front-end maintenance, the switchgear is equipped with a special current transformer, so that the operator can maintain and inspect it in front of the cubicle.

Service environment

a. Ambient temperature: Maximum temperature:+40℃     Minimum temperature: -15℃
b. Ambient humidity: Daily average RH no more than 95%;Monthly average RH no more than 90%
c. Altitude no higher than 2500m;
d. The air around without any pollution of duty,smoke,ercode or flammable air,steam or salty fog;

No.
Item
Unit
Parameters
1
Rated Voltage
KV
24
2
Rated Frequency
Hz
50/60
3
Rated Current
A
630 1250 1600 2000 2500 3150
4
Branch busbar rated current
A
630 1250 1600 2000 2500 3150
5
Main busbar rated current
A
630 1250 1600 2000 2500 3150
6
Dry
1min power frequency withstand voltage
Wet
KV
38
50/60
KV
48
60/65
7
Lightening impulse withstand voltage
kV
75
95/125
8
Rated Short-time Withstand Current (4s)
kA
20/25/31.5/40
9
Rated Short Circuit Breaking Current(Peak)
kA
40/50/63/80/100
10
Protection type
 
IP4X for housing

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