Side-mounted Indoor High Voltage Vacuum Circuit Breaker
The Side-mounted indoor high voltage vacuum circuit breaker produced by Chinese factory Kexun is mainly used for protection and control circuits. It is suitable for places with rated voltage of 12kV and frequency of 50Hz where frequent operation or circuit current interruption is required. It can be installed in fixed switchgear or used alone.
Model: VS1
Brand:KEXR
●structural characteristics of The Side-mounted indoor high voltage vacuum circuit breaker
▶Lateral Operation Mechanism
▶Epoxy Resin Insulated Pole
▶Trip-Free Spring Operating System
▶Front/Rear Cable Terminations
● Side-mounted indoor high voltage vacuum circuit breaker using conditions
▶Ambient temperature range: The temperature surround Side-mounted indoor high voltage vacuum circuit breaker should be -15~40℃
▶Altitude: The Side-mounted indoor high voltage vacuum circuit breaker should be installed less than 1000 meters.
▶Relative humidity: the daily average is not more than 95%, the monthly average is not more than 90%, the daily average of saturated vapor pressure is not more than 2.2×10-3MPa, and the monthly average is not more than 1.8×10-3MPa.
▶Earthquake intensity: less than 8 degree
▶Places without fire, explosion, serious pollution, chemical corrosion and severe vibration.
● Technical parameters of The Side-mounted indoor high voltage vacuum circuit breaker
Item
Unit
Data
Rated voltage
KV
12
Rated current
A
630~1250
1250
1250
Rated short circuit break current
KA
20
25
31.5
Rated short circuit closing current
KA
50
63
80
Rated peak withstand current
KA
50
63
80
4S short circuit withstand current (peak)
KA
20
25
31.5
Rated insulate level
Working withstand voltage
KV
42(48)
Impact withstand voltage
75(85)
Rated operating sequence
Break-0.3s-close-180s-close
Mechanical life
Time
10000
Rated short-circuit current interruption
Time
50
Rated opening voltage of operating mechanism(DC)
V
110,220
Contact terminal distance
mm
11±1
Overtravel (contact spring compression length)
mm
35±0.5
Three-phase separation and closing bounce time
ms
≤2
Contact closing bounce time
ms
≤2
Average opening speed
m/s
1.1±0.2
Average closing speed
m/s
0.6±0.2
Opening time
Max operating voltage
s
≤0.05
Min operating voltage
≤0.08
Closing time
s
0.1
Allowable wear accumulation thickness of dynamic and static contacts
mm
3
Hot Tags: Side-mounted Indoor High Voltage Vacuum Circuit Breaker
For inquiries about cable branch box, high voltage switchgear, low voltage switchgear or price list, please leave your email to us and we will be in touch within 24 hours.
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies.
Privacy Policy