Description

This intelligent on-line low power consumption motor soft starter can be applicable for 3 phase AC squirrel-cage asynchronous motors which rated voltage is AC 220V/380V/440/660V, 50/60 Hz, and rated current is 800A and below. The soft starter unit is modularization, and installed in cabinet or box to compose of control circuit of motor without bypass contactor and thermal relay, using switches. The soft starter can realize starting and stopping control, overload, failure-phase, three-phrase unbalance, over voltage and under voltage protection.

Characteristics:

   1) Low-consumption operation online (bypass contact is built in)

   2) Marginal triggering thyristor withstanding the high surge current

   3) Intelligent type digitization, three microcontrollers and high reliable circuit design

   4) Chinese-English display menu realizing the human machine dialogue

   5) Displaying the working voltage and circuit while running

   6) Installed the motor overload, phase-failure etc. protection

   7) Advanced soft starting and stopping function

   8) Installed the communication interface (optional)

   9) 4-20mA analogy signal outputting the motor working circuit

   10) Delayed starting function

   11) Strong controlling and protection function

   12) Fault diagnosis and humanity design

   13) Natural wind cooling, small size and pretty design