20 hp soft starter, 15 kW three phase 240v, 380v, 460v, 690v AC motor soft start, reduce motor starting current & voltage, protect motor from over-voltage, over-current and phase unbalance etc.
20 hp soft starter, 15 kW three phase 240v, 380v, 460v, 690v AC motor starter.
||GS2-015 (240v), GS3-015 (380v), GS4-015 (460v), GS6-015 (690v).
||20 hp (15 kw)
||30 amps at 380v/480v, 60 amps at 220v
||Three-phase 240V, 380V, 460V, 690V AC
||Squirrel-cage three-phase asynchronous motor
||It is recommended not to exceed 20 times per hour.
||DB9 interface, male plug, ① is RS485+, ⑥ is RS485-
||(1) Operation panel control. (2) Operation panel + external control. (3) External control. (4) External control + COM control. (5) Operation panel + external + COM control. (6) Operation panel + COM control. (7) COM control. (8) No start or stop operation.
||(1) Current-limiting to start. (2) Voltage ramp to start. (3) Torque control + current-limiting to start. (4) Torque control + voltage ramp to start. (5) Current ramp to start. (6) Voltage current-limiting double closed-loop start.
||(1) Soft stop. (2) Free stop.
||(1) Open loop protection for external instantaneous stop terminals. (2) Over-heat protection for soft starter. (3) Protection for too long starting time. (4) Input open phase protection. (5) Output open phase protection. (6) Unbalanced three-phase protection. (7) Starting over current protection. (8) Running overload protection. (9) Under voltage protection for power voltage. (10) Overvoltage protection for power voltage. (11) Protection for fault parameter setting of the soft starter. (12) Load short circuit protection. (13) Auto restart or incorrect wiring protection. (14) Incorrect wiring protection of external control stop terminals.
||Place to be used
||Indoor location with good ventilation free from corrosive gas and conductive dust.
||Below 1000M. It has to increase the soft starter rate power when the altitude is more than 1000M.
||-30 +55 oC
||90%RH without dew condensation.
||Natural wind cooling.
Tips: Choose a soft starter for fixed speed running motor
A variable frequency drive (VFD) is much more expensive than a soft starter, and has much higher energy losses so is more expensive to run. For a fixed speed operating induction motor, a soft starter is a lower capital cost and a lower running cost than a VFD. A VFD may not be necessary unless speed or torque control is required. Of course if money is not concerned a VFD is much better a soft starter and a VFD normally has built in all of soft start features.
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