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JCZ5-160 250 400 6307.2[12] AC High Voltage Vacuum Contactor

The JCZ5-7.2 and JCZ5-12 series indoor AC high voltage vacuum contactor, it is divided into closing mechanical keeping and electromagnetic keeping two forms. This contactor is suitable for three phase AC 50Hz,rated voltage 7.2kV and 12kV,rated current up to 630A electricity power system, for long-distance making and breaking circuit, control such as the high voltage motor, transformer and capacitive load electrical equipment, especially suitable for the frequent operation. This contactor has the small shape,light weight, the assembled structure adopts the international popular layout of packaged up and down, convenient use and maintenance.
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Normal working conditions

1. Altitude above sea should not be over 1,000m;

2. Ambient temperature is -5~40°C;

3. Average temperature in 24 hour limited below 35°C;

4. When the highest temperature is 40°C, the relative humidity should not be higher than 50%;

5.Pollution degree: class 3

Specification

Item Unit Data
Rated voltage kV 7.2/12
Rated current A 630 400 250
Rated closed current (valid values) 6300 4000 2500
Rated max breaking current 5040 3200 2000
4s thermal stability of the current 6300 4000 2500
Max breaking current 6300 4000 2500
Power frequency withstand voltage kV 42
Allows the operating frequency Time/h 300
Electric life AC-3 ×104times 25
AC-4 10
Electrical life 30
Rated operation voltage V AC110/220
Closing coil absorption current A ≤DC6/3
Keep coil keeping current D:DC   0.32/0.16
Shunt coil tripping current J:DC   2.5/1.3
Contact from mm 5.5~7
Contact distance 1.5±0.5
Average closing speed m/s 0.1~0.25
Average break-brake speed 0.3~0.6
Three phase break-brake synchronism ms ≤2
Closing time/break-brake time ≤150/≤50
Resistance(20℃) μΩ ≤250