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Shanghai Electric Group Busbar Trunking Co., Ltd.

Vacuum Circuit Breaker, Vcb, Vd4 manufacturer / supplier in China, offering 24kv 630A Indoor Draw-out Type Vacuum Circuit Breaker, Jxf Jff Type Stainless Steel Cabinet Distribution Box Enclosure, Distribution Busbar Trunking Busduct System Bbt Power Bbt and so on.

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Supplier Homepage Product vaccum circuit breaker 24kv 630A Indoor Draw-out Type Vacuum Circuit Breaker

24kv 630A Indoor Draw-out Type Vacuum Circuit Breaker

This product is currently unavailable, but you may contact the supplier directly, for further interest.
Basic Info
  • Model NO.: VD4
  • Operation: Energy-storage Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Embedded Pole Interrupter
  • Type: Circuit Breaker
  • Certification: VDE, ISO9001-2000, CCC
  • Specification: Iec62271-100
  • HS Code: 85389000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Installation: Insert
  • Poles Number: 3
  • Function: Circuit-Breaker Failure Protection
  • Trademark: Shanghai Electric
  • Origin: Shanghai
Product Description
The vacuum circuit-breakers of type VD4 are intended for indoor installation in air-insulated switchgear systems. They have a switching capacity capable of handling the loads occurring at Start-up and shutdown of equipment and plant units both in normal and in fault state.

Vacuum circuit-breakers have particular advantages for use in networks where there is a high switching frequency in the working current range and/or where a certain number of short-circuit Breaking operations are expected. Type VD4 vacuum circuit-breakers are suitable for autoreclosing, and have exceptionally high operating reliability and long life.

The vacuum circuit-breakers of type VD4, designed in column form, can be supplied both as individual units for switchgear Type ZS1, AMS, Unigear, KYN28, etc.

Applying ambient conditions
1. Ambient temperature: -10º C~+40º C.
2. The height above sea level: ≤ 1000m(besides the special requirements).
3. Relative humidity: The average humidity of a day should be no more than 95%; The average humidity of a month should be no more than 90%.
4. Saturated vapour pressure: The average pressure of a day should be no more than 2.2kPa; The average pressure of a month should be no more than 1.8kPa.
5. Earthquake intensity: Not exceed 8 degrees.
6. It should be installed in the places without fire, explosion, serious filth, chemical erosion and violent vibration.
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