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KYN61-40.5 Indoor AC Metal Armored Air Insulated Switchgear

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ProjectUnitParameter
Rated voltage

KV36/40.5
Rated insulation level Power frequency withstand voltage (1min)Relatively, interphase95/70
Vacuum Breakpoint Interval95/70
Lightning shock withstand voltage (peak)Relatively, interphase185/170
Vacuum Breakpoint Interval185/170
Auxiliary and control loop power frequency withstand voltage (1min)V2000
Rated FrequencyHZ50/60
Rated currentA630630
12501250
16001600
20002000
25002500
31503150
Rated short circuit breaking currentKA2531.5
Rated short-term withstand current(4sec)KA2531.5
Rated peak tolerable current6380
Rated short circuit closing current6380
Internal combustion arc rating31.5KA(1s)
Protection Level 
IP4X
Level of protection when the circuit breaker room door is opened
IP2X
Sizemm1200*25052*400
Maximum weight (unpacked)kg1800


  • Product Description
  • Main Features

The rated voltage of KYN61-40.5 inoorAC metal armored air insulated switchgear is 40.5kV (GB) and 36kV (IEC), with a maximum rated current of 3150A.It can provide two mainstream structures: central and floor mounted. Mainly used in thermal power plants, wind farms, steel mills, petroleum and petrochemical, textile,papermaking, and food industries.

1. Equipped with a complete and reliable "five prevention" locking device
2. The body and circuit breaker adopt a composite insulator structure, effectively improving theinsulation level and reducing the size of the body
3. Equipped with a reliabe grounding device with short- circuit making capability
4. The door panel of the circuit breaker room is equipped with a double layer special glasswindow to ensure the ability of arc faults inside the switchgear
5. Fully realize the operation and maintenance of closing the door in front of the cabinet
6. Can provide central or floor mounted structures according to customer requirements