11kv 20kv 630A Indoor Drawable Vacuum Circuit Breaker
- Model NO.: VD4
- Operation: Electric Type
- Arc-extinguishing Medium: Vacuum
- Structure: Embeded Pole
- Type: Circuit Breaker
- Certification: VDE, ISO9001-2000, CCC
- Specification: IEC60694. GB1984-2003
- HS Code: 85389000
- Breaking Capacity: High Voltage Circuit Breakers
- Speed: Normal Type Circuit Breaker
- Installation: Withdrawable & Fixed
- Poles Number: 3
- Function: Circuit-Breaker Failure Protection
- Trademark: Shanghai Electric
- Origin: Shanghai
This circuit breaker is made with mature APG technology. The application of VS1 terminal buffer guarantees the indoor terminal is ever more reliable in nay operation environment. VS1 can fully meet the requirement of GB, DL, IEC, DIN, VDE as well as standards of other advanced industrial countries.
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.