Описание
VACZ5 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz,rated current 630 A and below,rated voltage 12kv and 7.2kv,for remotely making and breaking circuit,frequently starting and controlling AC motor.It also could be combined with fuse and protector to replace vacuum circuit breaker.
The contactor complies with GB/T 14808,IEC 60470 and JB/T 7122 standard,the main performance indicators have reached the international level.
2. Normal using conditions
а. Environment temperature : -5ºC~+40ºC, and average value is no more than +35ºC within 24 hour.
b. Altitude: no more than 1000m.
c. Atmospheric conditions: monthly highest humidity in the most wet month is no more than 90% and monthly average minimum temperature
shall be 25ºC. Condensation on the products due to temperature changes shall be considered.
д. Impact vibration: The place is without extensive shaking, impact, and vibration.
e. The place is without explosion hazard, enchant gas and sleet.
фон. No rain and snow in places
г. Pollution degree: Three grade
h. Installation type: .III
i. Installation condition: Slant angle between installation surface and vertical surface is no more than 15°.
3.Main technical parameter
| Type | Единица | VACZ5-160~630/7.2 | VACZ5-160~630/12 | ||||||
| Номинальное напряжение | kV | 7.2 | 12 | ||||||
| Rated current | А | 160 | 250 | 400 | 630 | 160 | 250 | 400 | 630 |
| 4s thermal stability current | А | 160 | 250 | 400 | 630 | 160 | 250 | 400 | 630 |
| Making capacity | A/100times | 1600 | 2500 | 4000 | 6000 | 1600 | 2500 | 4000 | 6000 |
| Breaking capacity | A/25times | 1280 | 2000 | 3200 | 5040 | 1280 | 2000 | 3200 | 5040 |
| Rated P.F. withstand voltage | kV | 28 | 42 | ||||||
| Rated lightning impulse withstand voltage(peak) | kV | 60 | 75 | ||||||
| Mechanical life time | раз | 10,00000 | |||||||
| Rated operation voltage | В | AC/DC 110,220,380 | |||||||
| Rated operation frequency | times/h | 300 | |||||||
| Closing time | РС | ≤80 | |||||||
| Opening time | РС | ≤40 | |||||||
| Tri-phase asynchronous time | РС | ≤2 | |||||||
| Clearance between open contacts | мм | 5.0±0.5 | 6.0±0.5 | ||||||
| Over travel | мм | 1.5±0.5 | |||||||
| Each conductive loop resistance | μΩ | ≤200 | |||||||
3.Pakaging
For Vacuum Circuit Breaker, pls click: https://china-vacem.en.made-in-china.com/product-group/roqEnxmCTUYh/Vacuum-Circuit-Breaker-catalog-1.html
4.International fairs
5. Company show
