Gold Member Since 2016

Hv, Vacuum, Breaker manufacturer / supplier in China, offering Outdoor High Voltge Vacuum Cirbuit Breaker (ZW7-40.5), Daily Program Analogue Time Switch with Metal Box (TB-388B), 3 Stages Intelligent Dual Power Change Over Switch (YMQ-2000A/4P-3) and so on.

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Supplier Homepage Product HV electric Outdoor High Voltge Vacuum Cirbuit Breaker (ZW7-40.5)

Outdoor High Voltge Vacuum Cirbuit Breaker (ZW7-40.5)

FOB Price: US $2,790-13,999 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,790-13,999/ Piece
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Port: Shanghai, China
Production Capacity: 10000/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: ZW7-40.5
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Poles Number: 3
  • Function: Overcurrent Protection, OVP(Overvoltage Protection)
  • Trademark: YMANY
  • Origin: China
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CE, CB, CCC
  • Transport Package: Standard Export Package
  • HS Code: 85352100
Product Description
ZW7-40.5 Series Outdoor High Voltage Vacuum Circuit Breaker
rated voltage40.5kV
rated current1250A         1600A       2000A
rated short-circuit breaking current20 25 31.5kA
rated frequency50Hz
 closing  time≤90ms
rated operating sequence0-0.3s-CO-180s-CO
rated short-circuit closed current50  63  80kA
rated peak  withstand current50  63  80kA
rated short time withstand current20  25  31.5kA
rated short-circuit duration4s
mechanical life10000times
average opening speed1.5±0.3ms
average closing speed0.6±0.3ms
contact closing bounce duration≤5ms
three phase closing and opening synchronism≤2ms
opening time≤60ms
NOItemUnitTechnical Data
1Rated voltageKV12
21 min power frequency withstand voltage42
Lighting impulse withstand voltage(peak value)75
3Rated FrequencyHz50
4Rated currentA630, 1250, 1600, 2000, 2500, 3150, 4000
5Rated short time withstand currentKA20, 25, 31.5, 40
6Rated withstand current(peak)50, 63, 80, 100
7Rated short-circuit opening current20, 25, 31.5, 420
8Rated short-circuit closing current50, 63, 80, 100
9Rated duration of short-circuitS4
10Contact's clearance  3.5±0.5
11Contact's travel  9±1/11±1
12Average opening speedM/s1.1±0.2
13Average closing speedM/s0.6±0.2
14Opening timeMs35-60
15Closing timeMs20-45
16Mechanical lifeTimes30000
17Rated operating order  O-0.3S-CO-180S-CO(<40KA)
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