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バラCWのマグネトロンの受渡し時間は速く、非常に重要です:プロダクト常に送られたマッチ順序。私は私がそれらと決してnot disapointedのでそれらを信頼します。
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エドワードDeandaよりよい価格のより多くの真空の接触器の単位を開発すれば、そうすれば私達はより多くの顧客にあなたのプロダクトを販売し、より大きい市場を得てもいいです。ありがとう
Powerful Electric Motor Contactor Upper Lower Arrangement Packing
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x定格電流 | 400A | 評価される操作電圧 | 7.2KV |
---|---|---|---|
コイルの電圧 | 110/220v | 現在のタイプ | AC、DC |
ポーランド人の数 | 3 | 評価される頻度 | 50/60HZ |
証明書 | セリウム/ISO | 正味重量 | 28 KG |
ハイライト | vacuum contactor switch,low voltage vacuum contactor |
High-voltage Vacuum Contactor JCZ5-7.2kV/400A
High-voltage Vacuum Contactor JCZ5 are suitable for the distribution system of metallurgy, mine, petrol-chemistry and building, to control the equipment used electricity such as high-voltage motor of 7.2kV or under 7.2kV for JCZ5-7.2 type, transformer and capacitor loading etc. Especially suitable for frequent operation domain. It features in its small volume, light weight and packaged design of upper and lower arrangement. It is convenient to use and maintain, and is easy to form the complete equipment of F-C loop.
Technical Parameters
Main Technical Parameters | JCZ5-7.2J(D) | |
Rated Voltage | 7.2kV | |
Rated current | 800A, 630A, 400A, (200A) | |
Rated turn-on current | 6300A, 4000A,(2000A) | |
Rated interrupted current in maximum | 5040A, 3200A,(1600A) | |
Rated operating voltage | 110/220V.AC | |
Contacts' Industrial Frequency Bearing Voltage in OFF status | 32kV | |
Switch-on coil pick-up voltage | ≤DC6/3A | |
Coil and current maintenance | DC0.32/0.16A | |
Switch-off coil trip current | DC2.5/1.3A | |
Rated operating frequency | 300times/h | |
Mechanical life | 30*104 times | |
Electricity life | AC-3 | 25*104 times |
AC-4 | 10*104 times | |
Contact open space | 4.5+1-0.5mm | |
super distance | 1.5±0.5mm | |
Switch-on average speed | 0.15±0.05mm/s | |
Switch-off average speed | 0.45±0.15mm/s | |
Three phases switch-on synchronism | ≤2.0ms | |
Contact spring time | ≤5.0ms | |
Switch-on time | ≤150ms | |
Fixed switch-off time | ≤50ms | |
Several phases conductive circuit resistance(20℃) | ≤250μΩ | |
Contact spring length in switch-on condition | 34±1mm | |
Weight | about 28kgs |