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VS1-12 Vacuum circuit breaker
Seo Tags：
Complete Switchgear Series
Category：
- Product Description
-
VS1-12 vacuum circuit breaker, an indoor switchgear for three-phase AC 50Hz power systems with a rated voltage of 12kV. It serves as a protection and control unit for power grid equipment and power equipment in industrial and mining enterprises. Suitable for places that require frequent operation at rated working current, or multiple disconnections of short circuit current. The circuit breaker adopts an integrated design of the operating mechanism and the circuit breaker body, which can be used as a fixed installation unit or equipped with a dedicated propulsion mechanism to form a handcart unit.
Rated parameter
No.
Item
Unit
Value
1
Rated voltage
kV
12
2
Rated insulation level
1-minute power frequency
withstand voltage (effective value)kV
42
Lightning impulse withstand
voltage
(peak value)kV
75
3
Auxiliary circuit 1-min power frequency withstand voltage
V
2000
4
Rated frequency
Hz
50
5
Rated current
A
630、100、1250、1600、2000、2500、3150
6
Rated short-circuit breaking current
kA
20、25、31.5、40、50
7
4S thermal stability current
kA
20、25、31.5、40、50
8
Rated short-circuit closing current (peak)
kA
50、63、100、130
9
Rated dynamic stable current
kA
50、63、100、130
10
Rated breaking current of a single capacitor
A
630
11
Rated back-to-back capacitor bank breaking current
A
400
12
Rated operating sequence
Breaking-0.3s-closing and breaking-180s-closing and breaking,
Breaking-180s-closing and breaking-180s-closing and breaking13
Closing time
ms
60(+10-15)
14
Opening time
ms
60(+10-15)
15
Rated short-circuit current breaking times
50
16
Mechanical lifespan
times
20000
17
Arc time
ms
≤15
18
Allowable wear accumulation thickness
of dynamic and static contactsmm
3
19
Rated operating voltage
Closing coil
V
AC:110,220
DC:110、220Opening coil
20
Coil power
Closing coil
W
245
Opening coil
21
Energy storage motor power
W
70
22
Rated voltage of energy storage motor
V
DC:110、220
23
Energy storage time
S
≤15
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Address: 918 Gaoxin 7th Road, Qingshanhu District, Jiangxi Province, China
Telephone: 0086-791-88161086 / 88161206
E-mail: sales@hanspower.com
Website: www.hanspower.com
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