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FWI-SS series Motor Soft Starter
● Check any damage to the product because of the transport, such as the spare
parts are apart from the main body or the shell be damage etc.
● Check others, including the Certificate of Soundness, and the User Manual.
3. Usage condition and installation requirement
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 power, self-provided power, diesel oil dynamotor, 3-phase
alternating current 380V, 480V or 660V±10%, 50Hz or 60Hz.The power capacity
to the soft start must meet the motor starting requirement.
Motor Matched: squirrel-case asynchronous motor whose power is matched with
the soft starter
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 2000m, the temperature of
the environment should be between -25～ 40, relative humidity should be less
than 90%, no vapor, no flammable, volatile, corrosive gas. No electric dirt, indoor
installation, ventilated, vibration is less that 0.5G. Note: Over more, we can
manufacture other type soft starters which are used in special conditions, such as
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