General descriptionJCZ5 series indoor AC high voltage vcauum
contactors are three-phase AC, 50 Hz,7.2KV, 10KV indoor electrical
equipment. It is suitable for power system with rated vltage of
7.2kv, 12kv and below and rated current of 630A. It can control and
operate high voltage electrical equipment frequently.Technical
parametersModelJCZ5-7.2/160JCZ5-7.2/250JCZ5-7.2/400JCZ5-7.2/630Rated
voltage(kv)7.2Rated current(A)160250400630Main circuit joint
capability(A/100 times)1600250040006300On-off capability of main
circuit(A/10times)1280200032005000Limit breaking capacity(A/3
times)3200400045006300Mechanical life(Ten thousand
times)200Mechanical lock life(Ten thousand times)10Main circuit
power frequency voltage withstand(kV)32Auxiliary circuit power
frequency voltage withstand(kV)2.5Power frequency voltage withstand
of control circuit(kV)2Rated operating
frequency(times/h)300Frequency of mechanical lock
operation(times/h)30Contact opening(mm)4±0.5Overrange(mm)1.5±0.3/*
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