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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