This AC L.V. vacuum contactor is used in electrical network with AC 50Hz or 60Hz, rated main loop voltage 2kV, rated current 800A to connect and break the circuit and start and control AC machinal electromotor. Combining with sort of protecting equipment, it can also works as magnetic starter or explosion-proof magnetic starter. Its shape and installation dimension is same as VACJ20-630/2 contactor. They can be changed,which offers good options for upgrading and maintenance.
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, etchant 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°.