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40kV Vacuum Circuit Breaker, 1250A, 50Hz


$3723.08
Lower cost vacuum circuit breaker with 40kv rated voltage for sale online. Indoor vacuum circuit breaker has a switching capa
SKU: CHN-VCB-40
Free Shipping Worldwide
Delivery date: 6-12 days

VCB circuit breaker with 40kv for sale. The entire structure of vacuum circuit breaker presents the integrated installation off-switch body and operating mechanism. VCB breaker price is affordable and suit for engineering programs.

Features:

  • 40.5kV vacuum circuit breaker with Ideal contact material and shape, ensuring low current carrying value and stable contact resistance.
  • Integrated design of main conductive circuit made of compound isolation material and operating mechanism.
  • Few components and parts, compact and logical structure, assuring more reliable and safer operation.
  • VCB breaker adopts the composite insulation structure, with high insulation level,no pollution or explosion danger.
  • Compact design enables the breaker to be installed within almost all switchgears.
  • Superior cost performance, vacuum circuit breaker is the ideal choice for engineering programs.

Specification: (Parameters can be customized)

ModelCHN-VCB-40
Rated voltage40 kV
Maximum operating voltage12 kV
Rated current630 A, 1000 A, 1250 A, 1600 A, 2000 A, 3150 A
Rated short circuit breaking current20/25 kA, 31 kA, 40 kA, 50 kA
Rated short circuit switching current50/63 kA, 80 kA, 100 kA, 125 kA
Rated peak withstand current50/63 kA, 80 kA, 100 kA, 125 kA
4S Rated short-time withstand current20 kA, 31 kA, 40 kA, 50 kA
Rated insulation levelpower frequency withstand voltage (rated open circuit before and later): 42 kV
impulse withstand voltage (rated open circuit before and later): 75 kV
Mechanical life20000 times
Rated closing voltage of operating mechanism (DC)110 V, 220 V
Rated switching voltage of operating mechanism (DC)110 V, 220 V
Contactor torque11±1
Exceed range (the compress length of contact spring)4±0.5
Max.bouncing duration≤ 2
Average opening speed≤ 0.05
Average closing speed≤ 0.08
Opening time≤ 50
Closing time≤ 100
Accumulative allowable wear thickness of dynamic and static contacts3 mm
CertificationCE
Warranty12 months

Dimensions: (Unit: mm)

deSchematic Diagram:

Vacuum circuit breaker schematic diagram

Tips: What Information Should You Pay Attention to When Ordering?

  1. Vacuurn circuit breaker's name, model, main technical data and order quantity.
  2. Vacuurn circuit breaker's rated voltage and rated current and rated short-circuit breaking current, vacuurn circuit breaker's operation mechanism mode and control voltage.
  3. Spare parts narne and quantity, rated voltage of tripping and closing coil; Other questions or special requirements please contact with manufacturer.