24kv draw-out indoor medium voltage air insulated switchgear

24kV Withdrawable Indoor Medium Voltage Air Insulated Switchgear General KYN28 indoor metal-clad withdrawable switchgear(hereinafter short as switchgear)is a complete power distribution device for 3.6~24kV, 3-phase AC 50Hz, single-bus and single-bus sectionalized system. It is mainly used for power transmission of

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24kV Withdrawable Indoor Medium Voltage Air Insulated Switchgear 

General 

KYN28 indoor metal-clad withdrawable switchgear(hereinafter short as switchgear)is a complete power distribution device for 3.6~24kV, 3-phase AC 50Hz, single-bus and 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 also be used with VD4 from ABB, 3AH5 from Siemens domestic ZN65A, and VB2 from GE, etc., it is truly a power distribution device 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 Condition 

A. Ambient temperature: Maximum temperature: +40ºC Minimum temperature: -15ºC
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; 


Technical Datas

NoItemUnitParameter
1Rated voltageKV3.6KV, 7.2KV, 12KV, 24KV
2Rated frequencyHz50/60
3Rated currentA630; 1250; 1600; 2000; 2500; 3150; 4000
4Branch busbar Rated currentA630; 1250; 1600; 2000; 2500; 3150; 4000
5Main busbar Rated currentA630; 1250; 1600; 2000; 2500; 3150; 4000
61 min Power frequency withstand coltageWetKV2850/60
DryKV3460/65
7Lighting impulse withstand voltageKV7595/125
8Rated short circuit breaking current(peak)KA40/50/63/80/100
9Short time withstand currentKA20/25/31.5/40
10Protection type  IP4X for housing       
 

Mainly Structure






24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear





 

1) compartment busbar compartment; circuit breaker compartment; cable compartment; low-voltage compartment.
1 - main device: circuit breaker, contactor,
2 - current transformers,
3 - earthing switch,
4 - voltage transformers,
5 - support-bushing insulators,
6 - bushing insulators
7 - surge arresters,
8 - support insulators (reactance),
9 - main busbars.
10 - connecting (distribution) busbars,
11 - earth-fault current transformer,
12 - earthing conductor,
13 - metal movable particions,
14 - cable ducts (optionally),
15 - vent flaps.

24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear
Control Setting                                                Wiring                                                            CHNT Accessories 
24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear


 
          Withdrawable Vacuum Circuit Breaker                                                                                           Voltage Transformer               
24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear

24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear

  Packing & Shipping



24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear







24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear
24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear
24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear
24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear
24kv Withdrawable Indoor Medium Voltage Air Insulated Switchgear

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