Indoor Drawable Type Vacuum Circuit Breaker
|FOB Price:||US $1 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $1/ Piece|
|Production Capacity:||5000 PCS/Year|
|Payment Terms:||L/C, T/T, Money Gram|
- Model NO.: VD4
- Operation: Electric Type
- Arc-extinguishing Medium: Vacuum
- Structure: Conventional Circuit Breaker
- Function: Overcurrent Protection, Circuit-Breaker Failure P
- Trademark: Rockwill
- Origin: China
- Breaking Capacity: High Voltage Circuit Breakers
- Speed: Normal Type Circuit Breaker
- Installation: Fixed/Drawable
- Type: Circuit Breaker
- Certification: ISO9001-2000, CE
- Specification: IEC, ANS
- HS Code: 85352100
This circuit breaker is standards as IEC62271-100, GB1984-2003 high voltage circuit breaker for order as well as IEC60694.
This circuit breaker is made with mature APG technology. The application of RVB terminal buffer guarantees the terminal is ever more reliable in nay operation environment.
A) Air temperature: Maximum temperature: +40C; Minimum temperature: -25C
B) Humidity: Monthly average humidity 95%; Daily average humidity 90%.
C) Altitude above sea level: Maximum installation altitude: 2500m
D) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
E) No frequent violent shake.
|4||1min Power frequency withstand voltage||kV||38/42||45/49|
|5||Lightning impulse withstand voltage||kV||75||95|
|6||Rated short circuit breaking current (peak)||kA||63/80/100|
|7||Rated short breaking current||kA||20/25/31.5/40kA|
|8||Rated short circuit making current (peak)||kA||63/80/100/125|
|9||Cable charge breaking current in earthing fault||A||20||20|
|10||Rated withstand current (peak)||kA||63/80/100|
|11||Short time withstand current (4s)||kA||31.5|
|14||Rate of rise of transient recovery voltage||kV/uS||0.34||0.42|
|15||Peak of transient recovery voltage||kV||20.6||30|