Zw7 -40.5 Outdoor Voltage Cacuum Breaker

China Zw7-40.5 Outdoor Voltage Cacuum Breaker, Find details about China Breaker, Outdoor Voltage from Zw7-40.5 Outdoor Voltage Cacuum Breaker

Model NO.
ZW7-40.5
Poles Number
3
Type
Circuit Breaker
Function
Circuit-Breaker Failure Protection
Trademark
CBLE
Transport Package
Carton
Specification
2630*2218
Origin
China. Wenzhou
HS Code
4546556365
Model NO.
ZW7-40.5
Poles Number
3
Type
Circuit Breaker
Function
Circuit-Breaker Failure Protection
Trademark
CBLE
Transport Package
Carton
Specification
2630*2218
Origin
China. Wenzhou
HS Code
4546556365
     Zw7-40.5 series outdoor high-voltage vacuum circuit breakers are three-phase ac 50HZ. Outdoor high-voltage electrical equipment with rated voltage of 40.5KV
   Zw7-40.5 series outdoor high-voltage vacuum circuit breakers are mainly used for the control and protection of outdoor 40.5KV transmission and transformation system, and also for the normal operation and short circuit protection of urban and rural power distribution networks and industrial and mining enterprises
The number seriesprojectunitDate
1Rate voltagekv40.5
2Rated insulation  levelpower frequency withstand voltagedry95
wet80
Lightning impulse withstand voltage185
3Rated voltageA1250,1600,2000
4Rated short circuit breaking currentkv20,25,31.5
5Rated operation sequence separate-0.3merge separate -180s merge separate
6Rated short circuit breaking timestimes12
7Rated short circuit closing currents50,63,80
8Rated peak withstand current 
9Rated short-time withstand current20,25,31.5
10Rated short circuit continuous current 4
11Average gate speedm/s1.5±0.2
12Average closing speed0.7±0.2
13Bounce time of contact closing m/s≤2
14Three phase closing time different 
15closing time≤150
16Break time≤60
17Mechanical lifetime10000
18Rated operation voltage and rated voltage in auxiliary circuitvDC220 ,110,24
AC220 , 110,24
19DC resistance in each phase loopuΩ≤100
20Static contact allows wear thicknessmm3
21weightkg800
Shape and mounting dimensions

Zw7-40.5 Outdoor Voltage Cacuum Breaker


1.On-Outlet terminals 2.Vacuum chamber 3.Hand hole cover plate 4.Under-Outlet terminals 5.Strut porcelain insulator 6.Box 7.Door 8.Lifting bolt 9.The handle 10.Operation mechanism 11.Earth brand 12.Insulating rod
13.Turn the arm 14.stents 15.Current transformer 16.bolt


Zw7-40.5 Outdoor Voltage Cacuum Breaker