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
Basic Info.
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
Product Desciption
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
Shape and mounting dimensions
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 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 series | project | unit | Date | ||
| 1 | Rate voltage | kv | 40.5 | ||
| 2 | Rated insulation level | power frequency withstand voltage | dry | 95 | |
| wet | 80 | ||||
| Lightning impulse withstand voltage | 185 | ||||
| 3 | Rated voltage | A | 1250,1600,2000 | ||
| 4 | Rated short circuit breaking current | kv | 20,25,31.5 | ||
| 5 | Rated operation sequence | separate-0.3merge separate -180s merge separate | |||
| 6 | Rated short circuit breaking times | times | 12 | ||
| 7 | Rated short circuit closing current | s | 50,63,80 | ||
| 8 | Rated peak withstand current | ||||
| 9 | Rated short-time withstand current | 20,25,31.5 | |||
| 10 | Rated short circuit continuous current | 4 | |||
| 11 | Average gate speed | m/s | 1.5±0.2 | ||
| 12 | Average closing speed | 0.7±0.2 | |||
| 13 | Bounce time of contact closing | m/s | ≤2 | ||
| 14 | Three phase closing time different | ||||
| 15 | closing time | ≤150 | |||
| 16 | Break time | ≤60 | |||
| 17 | Mechanical life | time | 10000 | ||
| 18 | Rated operation voltage and rated voltage in auxiliary circuit | v | DC220 ,110,24 | ||
| AC220 , 110,24 | |||||
| 19 | DC resistance in each phase loop | uΩ | ≤100 | ||
| 20 | Static contact allows wear thickness | mm | 3 | ||
| 21 | weight | kg | 800 | ||
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
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