This is a medium voltage solid state soft starter from 1.0 to 7.2kV. It has overcurrent, overvoltage, overload, short circuit and other protection functions, and can control the motor's start, stop and speed adjustment.
The Motortronics MVC4 is an SCR-based controller designed for the starting, protection, and control of AC medium voltage motors. It features a Class E2 design with fiber optic connections and low voltage control circuitry, suitable for voltages ranging from 1.0 to 7.2kV. The unit includes advanced motor protection features such as two-stage electronic overload curves, phase current imbalance protection, and dynamic reset capacity.
| AC Supply Voltage | 1000 – 7200VAC +10 to – 15% |
|---|---|
| Unit Running Overload Capacity | 125% - Continuous |
| Frequency | 50 or 60Hz |
| Power Circuit SCRs | 6, 12, or 18 SCRs |
| SCR Peak Inverse Voltage Ratings | 4500V - 19500V |
| Ambient Temperature | 0° to 40°C |
| Auxiliary Contacts | 8 Relays (4 programmable) |
| BIL Rating | 1000V – 30KV |
| Protocol | Modbus RTU |
| Signal Type | RS-485, RS-422 or RS232 |
The unit supports an AC supply voltage range of 1000 to 7200VAC.
The starter includes 8 relays, 4 of which are programmable.
It supports Modbus RTU via RS-485, RS-422, or RS232 signals.
The unit has a running overload capacity of 125% of the motor FLA continuously.