2.1 Service conditions of the soft starter:
Power supply: three-phase AC 380V or 660V±15%, 50 Hz or 60 Hz commercial power, private power station or diesel generator set, the power capacity must meet the soft starter’s starting requirements on motor.
Applicable motor: three phase squirrel-cage asynchronous motor, the rated power of the motor should match that of the soft starter. Start frequency: no requirements, the specific frequency shall be depended on the loading.
Cooling method: natural air cooling. Protection class: IP20
Environmental conditions: the place with elevation below 3000m, ambient temperature between-25 °C-—(-40°C, relative humidity under
90%, no condensation, no flammable, explosive, corrosive gas, no conductive dirt, good ventilation and vibration less than 0.5G.
The company can provide customers with products to be used under special conditions, such as explosion proof type, low temperature type and high pressure type soft starters, service conditions of such starters shall be otherwise indicated.