Outdoor Vacuum Circuit Breaker Switch Spring Energy Storage Operating Mechanism 12kv

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Zhejiang Beidian Technology Co., Ltd.

VIP   Audited Supplier 1 year
Profile Certified by SGS/BV
ZW8-12
High Voltage Circuit Breakers
Electric Type
High-Speed Circuit Breaker
Vacuum
Fixed
ACB
1
Circuit Breaker
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
ISO9001-2000, CCC
Bdn
Zhe Jiang
3
10000
10
630
Casting Insulation
BDN
Wooden Case
medium
China
85353010
Product Description
 

General

Outdoor AC vacuum circuit breaker is used to make and break load current, overload current and short-circuit current in12kV,50/60Hz power system. Its applicable for substations, industry and mining, urban and rural electricity power networks, especially applicable in occasions with frequent operation and automatic power distribution network.

Service environment

  • Altitude:≤2000mm;

  • Ambient air temperature:-40C-+45ºC;

  • Wind speed: 34m/s;

  • Earthquake intensity:8degree;

  • Relative humidity: monthly average 90%, daily average 95%;

  • Ice thickNess: 10mm;

  • Pollution degree: IV;

  • There will be have dew under the condition of high temperature low down hastily.

 

Product Parameters

NameUnitData
16kA20kA25kA
Rated voltagekV10
Max. operation voltagekV12
Rated currentA630/1250
Rated short-circuit breaking currentkA162025
Rated short-circuit making currentkA405063
Rated peak withstand currentkA405063
Rated short-time withstand currentkA162025
Rated Insulate level1min P.F withstand voltagekV42/48
Lightning impulse withstand voltage(peak)kV75
Rated operating sequence O-0.3s-CO-180s-CO
Mechanical lifetimes10000
Rated short-circuit breaking current breaking timestimes30
Rated Operating Setup Closing VoltageVAC220 DC220,100
Rated Operating Setup Opening VoltageVAC220 DC220,100
Contact Strokemm11±1
Contact Over travel (Contact Spring Constringent Length)mm3
Out Of Simultaneity Of Contact Closing And Openingms≤2
Contact Closing Bounce Timems≤2
Average opening Speedm/s1.0±0.2
Average Closing Speedm/s0.7±0.15
Opening Time The Highest Operating Voltages0.015-0.05
The Lowest Operating Voltages0.03-0.06
Contact Closing Times0.025-0.05
Current by Phase Circuit ResistanceμΩ≤120(≤200)
Contact erosion limitmm3

 

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