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| Product Name: |
Hot ZN12-40.5 indoor high voltage vacuum circuit breaker
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| Supply Ability: |
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| Related proudcts |
vacuum, high voltage, |
| Specifications |
40.5kv high voltage vacuum circuit breaker |
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Main Technical Data
Rated voltage kv 40.5
Rated lighting impulse withstand voltage(peak) kv 185
Rated short-time power frequency withstand voltage(1min) kv 95
Rated short-circuit breaking current kA 25 31.5
Rated current A 1250/1600 1250/1600/2000
Rated peak withstanding current kA 63 80
Rated operations of short-circuit breaking current interruption times 20
Rated duration of short-circuit s 4
Rated operating sequence 0-0.3-CO-180s -CO
Supply voltage of open and close installation v AC,DC220 AC,DC110
Closing time ms 50~100
Opening time ms 30~60
Rated single capacitor bank breaking current A 630
Rated back to back capacitor bank breaking current A 400
Mechanical life times (M1 degree)10000
Mechanical characteristics adjustment data
Rated contact stroke mm 22¡À2
Contact overtravel mm 8¡À2
Average opening speed m/s 1.8¡À0.2
Average closing speed m/s 0.65¡À0.2
Contact bouncing duration at closing operation ms ¡Ü3
Type of operatinf structure Special 3AV sprinf operating structure
Three-pole simultaneity ms ¡Ü2
Condactive circuit resistance of each phases ¦Ì¦¸ ¡Ü45
Mechanical characteristics adjustment data
Rated contact stroke mm 11¡À1
Contact overtravel mm 8¡À2
Average opening speed m/s 1.0~1.8
Average closing speed m/s 0.6~1.1 0.8~1.3 0.8~1.3
Contact bouncing duration at closing operation ms ¡Ü2
Core distance between phases mm 210,230,250,275
Three-pole simultaneity ms ¡Ü2
Condactive circuit resistance of each phases ¦Ì¦¸ <40
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| Company: |
Wuhan Feite Electric.Co.Ltd
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| Contact: |
Ms. dawn feng |
| Address: |
No.113 Tian e hu Avenue,Caidian District |
| Postcode: |
430113 |
| Tel: |
86-027 84799945 |
| Fax: |
86-027-69162588 |
| E-mail: |
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