ZW32 Outdoor Vacuum Circuit Breaker
ZW32 Outdoor Vacuum Circuit Breaker
ZW32 Outdoor Vacuum Circuit Breaker

ZW32 Outdoor Vacuum Circuit Breaker

Model NO.
ZW32
Leistung Energie's ZW32 Outdoor Vacuum Circuit Breaker
Quantity:

Main Specifications and Technical Parameters for ZW32

Table 1 Circuit Breaker's Main Technical Data

No.ItemUnitData
12kV24kV
1Rated voltagekV1224
2Rated frequencyHz5050
3Rated currentA630/1250630/1250
4Rated short circuit breaking currentkA20/2520/25
5Rated peak withstand currentkA50/6350/63
6Rated short time withstand current / lasting timekA/s   20/4,     25/420/4, 25/4
7Rated short circuit closing current (peak)kA50/6350/63
8Rated operating sequenceO-0.3s-CO-180s-CO
9Mechanical life times1000010000
10Rated short circuit breaking current breaking timestimes5020
111min power frequency withstand voltage(Wet) between poles, to earth/between open contactskV3450
(Dry) between poles, to eath/ between open contactskV4265
12Lighting impulse withstand voltage (peak) between poles, to earth/ between open contactskV75/85125/145
13Secondary circuit power frequency withstand voltage (1min)V20002000

Table 2 Circuit Breaker's Main Mechanical Data

No.ItemUnitData
12kV24kV
1Clearance between contactsmm9±112±1
2Contact's over travelmm2.5±0.53.5±1
3Open speedm/s1.4±0.21.4±0.2
4Closing speedm/s0.7±0.20.7±0.2
5Contact closing jumping timems≤2≤2
6Pole center distancemm340±1.5380±1.5
7Three pole open/close nono-simultaneltyms≤2≤2
8Each pole conducting circuit resistanceμΩ≤70≤70
9Closing timems25-6025-60
10Open timems20-6020-60
11Motor's rated powerw4040

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