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QINGCHANG ELECTRIC POWER EQUIPMENT CO., LTD.

High Voltage Vacuum Breaker, Vacuum Breaker manufacturer / supplier in China, offering Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker, Permanent Magnetic Motor Vacuum Circuit-Breaker Vs1, Permanent Magnetic Motor Vacuum Circuit-Breaker and so on.

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Supplier Homepage Product breaker Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker

Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 60000
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: ZN85-40
  • Operation: Energy-storage Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Vcb
  • Type: Circuit Breaker
  • Certification: ISO9001:2008
  • Transport Package: Wooden Case
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Insert
  • Poles Number: 3
  • Function: OVP(Overvoltage Protection)
  • Trademark: QC
  • Origin: China
Product Description

 Description of ZN85G-40.5
yueqing vacuum electric    ZN85G-40.5 series high-voltage vacuum circuit breaker is a kind of indoor high-voltage switch  equipment with 50/60HZ three-phase alternating current and 40.5KV rated voltage. The general framework  composedby the body and operation system.
The product is used for industrial and mining enterprise, power plant and transformer substation to protect and control equipments, also it can be used in the locations where need frequent operations.
The composite insulted material insures no pollution and explosion danger with high insulation level.
The product conforms to IEC 62271, GB1984, JB3855 and DL1403.
 
Technical parameter
Item UnitData
Rated voltageKv40.5
Rated frequencyHZ50/60
Rated currentKV185
Rated lighting impact withstand voltage(peak)Kv95
Rated short-time power frequency withstand voltage (1 min)KA202531.5
Rated short-circuit breaking currentA630,1250630,1250,16001250,1600,2000
Rated currentKA202531.5
Rated short-time withstand current(virtual value)KA506380
Rated peak withstand current (peak)KA506380
Rated operating sequence Off-0.3S -CO-180S-CO
Marking and breaking times of short-circuit currenttimes20
Duration of rated short-circuit current  s4
Mechanical lifetimes20000
Power frequency withstand voltage of secondary circuitV2000
Rated breaking current of single capacitor bankA630
Rated breaking current of back to backA400
Contact clearancemm22+/-2
Contact travelmm6+/-1
Bounce time of contact closingmsless than 3
Different period of three-phase at closing and trippingmsless than 2
Average closing speedm/s1.2+/-0.3
Average opening speedm/s0.65+/-0.15
Rated opening/closing operating voltageVAC110/AC220/DC110/DC220
Rated voltage of energy storage motorVAC110/AC220/DC110/DC220
Main conductive circuit resistanceΩless than 80
 
Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker
Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker

Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker
Zn85g-40.5 Indoor AC High Voltage Vacuum Breaker
 
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