Gold Member Since 2014
Audited Supplier
Big Pawer Electrical Technology Xiangyang Inc. Co., Ltd.

High Voltage, Complete Set, Electrical Distribution Cabinet manufacturer / supplier in China, offering High Voltage Withdrawable Switchgear Kyn Series AC Metal-Enclosed Switchgear, Mv Ydq Series Liquid Resistor Rotor Soft Starter, Htr Series High Voltage Thermal Resistor Soft Starter and so on.

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Supplier Homepage Product Switchgear High Voltage Withdrawable Switchgear Kyn Series AC Metal-Enclosed Switchgear

High Voltage Withdrawable Switchgear Kyn Series AC Metal-Enclosed Switchgear

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 2000 Sets Per Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Money Gram, Western Union

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Basic Info
  • Model NO.: Kyn28A-12 (Z)
  • Structure: Cabinet, Protection
  • Measurement: in Following Diagram
  • Trademark: Big pawer
  • Origin: Xiangyang, Hubei Province, China
  • Voltage Level: High Voltage
  • Current: AC
  • Type: Power
  • Specification: CE, ISO9001
  • HS Code: 8537109090
Product Description
KYN28A-12(Z) (GZS1) armored withdrawable type AC mental-enclosed switchgear is indoor assembled distribution equipment. Its rated voltage is 3.6~12KV and frequency is 50Hz. It is used for applying power in power plant and receiving and distributing power in substation of industry enterprises and electrical system, as well as high voltage motor which starts frequently.

The switchgear complies with standards of GB3906, DL404, IEC-298 and so on. While it has five preventive function that are misoperation to circuit breaker, pulling and pushing cart with load, opening and closing earthing switch with electricity, applying power when the earthing switch is on earth position and mis-entering compartment with electricity.

Standards and specifications
GB3906-2006 3~35kV A. C. Metal-enclosed switchgear
GB/T-11022-1999 Common specifications for high-voltageswitchgear and controlgear standards
DL-T404-1997 Indoor AC high voltage switchgear panel
Main technical parameters of operation mechanism

Unit Value
Rated voltage KV 3.6 7.2 12
Rated current A 630 1250  1600  2000 2500 3150
Rated frequency HZ 50
Rated short-time withstand current KA 16 20  25 31.5 40
Rated peak withstand current KA 40 50 63  80 100
Rated power frequency withstand voltage KV 42 (1 min)
Rated lightning impulse withstand voltage KV 75
Rated duration of 
short circuit
S 4
Protection grade   IP4X


Main technical parameters of vacuum circuit breaker
Parameter Unit Value
 Rated voltage KV 12
Rated voltage A 630 1250 1600  2000  2500 3150
Rated frequency HZ 50
Rated short opening current KA 25 31.5 40
Rated short-time withstand current KA 25 31.5 40
Rated short closing current KA 63 80 100
Rated power frequency withstand voltage KV 42/1 min 
Rated lightning impulse withstand voltage KV 75 
Rated duration of 
short circuit
S 4
Closing time mS 30≤t≤70
Opening time mS 30≤t≤100
Rated short opening current times N 50(It is 30 at 40KA)
Mechanical life N 10000

Main technical parameters of operation mechanism 
Parameter Unit Value
Rated operation voltage Opening coil V DC220/110
Closing coil
Rated operation current Opening coil A (DC/AC)220/110V:0.9/1.8
Closing coil (DC/AC)220/110V:1.0/2.0
Power of stored energy motor W 70
Rated voltage of stored energy motor V DC220/110  AC220/110
Stored energy time S ≤15
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