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Tengen International Industrial Limited
Tengen International Industrial Limited
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Outdoor 12kV Vacuum High Voltage Circuit Breaker Automatic Superposition Device

Tengen International Industrial Limited
Tengen International Industrial Limited
Province/State: Zhejiang
Country/Region: China
Tel: 86--18657768658
Contact Person:
Mr Wang

Outdoor 12kV Vacuum High Voltage Circuit Breaker Automatic Superposition Device

Brand Name : Tengen
Model Number : CHZW8-12
Certification : CCC
Place of Origin : Zhejiang, China (Mainland)
MOQ : 1
Price : negotiable
Payment Terms : T/T, L/C, Western Union
Supply Ability : 700 Pieces per Month
Delivery Time : 5-15 work days after confirm the payment
Packaging Details : Standard package or according to customer's requirements
Product : ZW8
Rated voltage : 12kV
Rated current : 630A/1250A
Rated short circuit drop out current : 12.5/16/20KA
Breaking current frequency under rated short circuit : 30times
Rated sequence of operations : 0-0.3s-co-180s-CO
Rated peak withstand current : 50KA
Isolating fracture break distance : > 200mm
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CHZW8-12 series outdoor high voltage vacuum automatic superposition device


SPECIFICATION

CHZW8-12 series outdoor high voltage vacuum automatic superposition device is applied for distribution net system of three-phase, AC 50Hz with voltage 10-12KV, this device can make breaking and superposition operation in the AC circuit according to the preset breaking and superposition order, and can make reset or dead lock automatically after that, and also can be equipped with high voltage switch equipment with automatic control and protection function and breaking device, it can make distribution automatically without the support of other control system, this system can rapidly breaking and isolating the fault, and reduce the range of electricity cutting off to the smallest, so that it is the ideal equipment for urban and rural power net reform, and the superposition can be equipped with disconnecting switch according to customer's requirement.


AMBIENT CONDITION


  1. Altitude: not more than 2000m, the plateau is not higher than 4000m.
  2. Environment: -30°C ~40°C , -50°C low temperature type circuit breaker limit.
  3. Relative humidity: daily average value not more than 2.2kpa, on average less than 1.8 kpa.
  4. Earthquake intensity: less than 8.
  5. Can according to user requirements increase electric anti jump.
  6. Wind: ss 700Pa (equivalent to the wind speed 34m/s)
  7. Air pollution level: common grade III, special grade.

Available in more than GB/T11022-1999 specified above normal environmentalconditions, the user can be resolved in consultation with the manufacturer.


TECHNICAL SPECIFICATION


ItemHIParameters
Rated voltageKV12
Rated insulation levelPower frequency withstand voltageDry testKVPhase space. Grounding42: Fracture48
Wet testExternal insulation 34 on the ground
Lightning impulse withstand voltage(Peak value)Phase space. Grounding75: Fnacture85
Rated currentA630/1250
Rated short circuit drop out currentKA12.5/16/20
Rated operating sequence0-0.3s-C0-180s-C0
Breaking current frequency under rated short circuitTimes30
Rated short circuit break and close current(pcak)KA50
Rated peak withstand currentKA50
Rated short time withstand currentKA12.5/16/20
Rated short circuit duration times4
Breaking time under rated operating voltagems15-50
Close brake timems25-50
Machine lifeTimcs10000
Rated operating voltage and auxiliary circuit rated voltageV-24 -220
Over-current adjustment (continuously adjustable)20-300%
Quick-break adjustment (continuously adjustable)20-1000%
Zero-sequence adjustment (continuously adjustable)10-100%
Coincidence intervalS0.1-600
Select the time limit
The number of coincidenceTimes0-3
Remote distancem30
Communication distancem1200

OVERALL DIMENSION



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