1.General description
VACZ1 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz,rated current 630 A and below,rated voltage 24kv,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
a. 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.
d. Impact vibration: The place is without extensive shaking, impact, and vibration.
e. The place is without explosion hazard, enchant gas and sleet.
f. No rain and snow in places
g. 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
4.Product show
5.International fairs
VACZ1 series AC vacuum contactor is suitable for power system of AC tri-phase 50Hz,rated current 630 A and below,rated voltage 24kv,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
a. 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.
d. Impact vibration: The place is without extensive shaking, impact, and vibration.
e. The place is without explosion hazard, enchant gas and sleet.
f. No rain and snow in places
g. 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
| Item | Unit | VACZ1 160/24 | VACZ1 250/24 | VACZ1 400/24 | VACZ1 630/24 |
| Main circuit rated voltage | kV | 24 | 24 | 24 | 24 |
| Main circuit rated current | A | 160 | 250 | 400 | 630 |
| Main circuit current making capacity | A/100times | 1600 | 2500 | 4000 | 6300 |
| Main circuit make-break capacity | A/25times | 1280 | 2000 | 3200 | 5000 |
| Maximum breaking capacity | A/3times | 3200 | 4000 | 4500 | 6000 |
| Mechanical life | Thousand times | 100 | 100 | 100 | 100 |
| Engineering lock life | Thousand times | 10 | 10 | 10 | 10 |
| Electrical life | Thousand times | 25 | 25 | 25 | 25 |
| Permanent magnet mechanism life | Thousand times | 10 | 10 | 10 | 10 |
| Power-frequency withstand voltage of main circuit | kV | 65 | 65 | 65 | 65 |
| Phase to phase/phase to earth power frequency withstand voltage | kV | 65 | 65 | 65 | 65 |
| Lightning impulse withstand voltage | kV | 90 | 90 | 90 | 90 |
| Rated operating frequency | times/h | 150 | 150 | 150 | 150 |
| Rated operating frequency of permanent magnet mechanism | times/h | 30 | 30 | 30 | 30 |
| Terminal pressure | N | >100 | >100 | >100 | >100 |
| Clearance between open contacts | mm | 12±1 | 12±1 | 12±1 | 12±1 |
| Over travel | mm | 2±5 | 2±5 | 2±5 | 2±5 |
| Main circuit resistance | μΩ | ≤180 | ≤180 | ≤180 | ≤180 |
5.International fairs