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Chapter 3 The conditions of use and installation requirements
PR5300 series soft starter should comply with the following conditions of use and installation
requirements; otherwise, the performance will not guarantee, it can shorten life of soft starter even
damage.
3-1.The conditions of use of the soft starter
3-1-1. Power supplies: The utility, self-power station, diesel generating sets three-phase AC
380 V plus or minus 10%, frequency 50 Hz or 60 Hz, the power supply capacity must meet soft
starter motor starting to the requirement.
3-1-2. Applicable motor: Mouse cage type three-phase asynchronous motor, ac motor rated
power should be matching with soft starter rated power .
3-1-3. Start frequency: No demands, depending on the specific number load up.
3-1-4. Cooling way: Forced air cooling.
3-1-5. Protection level: Increasing non-standard parts can reach IP20.
3-1-6. Environmental conditions: Below elevation 3000 meters, the environment
Temperature between -25 ℃~+ 40℃,relative humidity below 90% RH, no dewing, no
inflammable, no explosive, no corrosive gas easily, have no electrical conductivity dust, indoor and
ventilated good, vibration is less than 0.5 G place.
3-1-7. Ambient temperature: Storage, -25 to 70 degrees Celsius; online operation, 0 to 40
degrees Celsius, the maximum to 60 degrees Celsius, 40 degrees Celsius above 1 degrees Celsius
by the current rating to reduce the use of 2% drop.
We can offer under special conditions of use products, such as the explosion proof type, low
temperature, high pressure type type soft starter, its use conditions will need further instructions.
3-2.The installation requirements of the soft starter
The installation direction and distance: In order to ensure that the soft starter in use with
good ventilation and heat dissipation conditions, the soft starter should be installed vertically, and
around the equipment left enough space for heat dissipation, as shown in Figure 3.1, Figure 3.2,
Figure 3.3, Figure 3.4the graph to allow the minimum distance.
When the soft starter cabinet installation, in addition to the above requirements, must choose
top, below ventilated cabinet.
Figure 3.1 Figure 3.2
Installation requirement for PR5300G3 11-115kW
OUT
OUT
IN
IN
AIR
50mm
50mm
150mm
150mm
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