MVC4 medium voltage solid state soft starter provides soft start control for medium voltage motors. It can achieve smooth start and stop by adjusting acceleration / deceleration time.
This manual provides detailed instructions for operating and programming the MVC4 soft starter, designed for medium voltage AC motors. It covers setup, control connections, user interface, setpoint programming, metering, and troubleshooting. The device features programmable acceleration and deceleration, overload protection, and communication via Modbus RTU. Maintenance sections include failure analysis and SCR testing procedures.
| AC Supply Voltage | 1000 – 7200VAC +10 to – 15% (Model dependent) |
|---|---|
| Unit Running Overload Capacity | 125% - Continuous 500% - 60 seconds, 600% - 30 seconds |
| Power Circuit | 6 SCRs, 12 SCRs, 18 SCRs (Model dependent) |
| SCR Peak Inverse Voltage Ratings | 4500V - 19500V (Model dependent see Table 1) |
| Control Voltage | 120VAC (Customer supplied) |
| BIL Rating | 1000V – 30KV , 2300V - 7200V 60KV |
| Communication Protocol | Modbus RTU |
| Operator Interface | LCD Readout Alpha numeric LCD display Keypad 8 function keys with tactile feedback |
1000 – 7200VAC +10 to – 15% (Model dependent).
6 SCRs, 12 SCRs, or 18 SCRs, depending on the model.
Modbus RTU protocol via RS-485, RS-422, or RS232.
An alpha-numeric LCD display with an 8-function keypad and 12 status LEDs.