EM-GS User's Manual
3. Usage Condition and Installation
5
3. Usage Condition and Installation
It is strict rule for the users to use or install the soft starter according to the requirement; otherwise, it will be in bad
result.
3.1 The usage condition
Power Supply:
City grid power, self-provided power, diesel oil dynamotor, 3-phase alternating current
220V/380V/480V/660V±15%, 50Hz or 60Hz. The power capacity of the soft start must meet the motor starting
requirement.
Matched Motor:
Motor should be three phase squirrel asynchronous motor, and its power capacity must be
matched with soft starters.
Starting Frequency:
The starting time is according to the loading equipments.
Cooling Mode:
Naturally wind cooling.
Protective Grade: IP20
Environment Conditions:
when altitude is less than 1000m, the temperature of the environment should be
between -25
o
C ~ 40
o
C, relative humidity should be less than 90% RH, no vapor, no flammable, volatile,
corrosive gas. No electric dirt, indoor installation, ventilated, vibration is less 0.5G.
3.2 The installation requirement
The direction and distance of installation: In order to make sure that the soft starter be in good ventilation and
heat dissipation, please install the product in vertical direction, and be sure the space around the product is
enough. (See the following diagram 3.1)
If the soft starter is installed in a box, please note that the ventilation is very good, as well as the above notes.
(See the following diagram 3.1)
Diagram 3.1 Diagram 3.2 Diagram 3.3