HVJ3 – 7.2 KV Vacuum Contactor
The vacuum contactor is mainly used in the power system with AC 50Hz and rated voltage 7.2kV, for making or breaking circuit and to make electromagnetic starter with suitable protective device and F-C switchgear.
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| Model | Rated voltage(v) |
Rated current
（Main circuit）(A)
| Parameter of main contacts |
Power frequency
Withstand voltage
V(effective value)
| |||||
Main
circuit
|
Control
circuit
|
Clearance
(mm)
| Overtravel (mm) | pressure (N) | |||||
Main
circuit
|
Auxiliary
circuit
|
Control
circuit
| |||||||
| HVJ3-7.2/160 | 7200 | 220/110 | 160 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| HVJ3-7.2/250 | 7200 | 220/110 | 250 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| HVJ3-7.2/400 | 7200 | 220/110 | 400 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| HVJ3-7.2/630 | 7200 | 220/110 | 630 | 3.5±0.3 | 2±0.2 | >85N | 32000 | 2500 | 2000 |
| Model | Making capacity | Breaking capacity | Limit opening current(A) | Overload | Mechanism life | Weight(kg) |
| HVJ3-7.2/160 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
| HVJ3-7.2/250 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
| HVJ3-7.2/400 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
| HVJ3-7.2/630 | 10Ie,100times | 8Ie,25times | 10Ie | 8Ie,10s | 1million times | 25.5 |
Note: “Ie” represents the rated current of main circuit
