The RX Series provides advanced motor protection, monitoring and flexible control for 3‑phase AC induction motors up to 2000 A.
The Motortronics RX Series combines solid‑state overload protection with thermal modeling, voltage, current and power metering, and a bright 4‑digit LED display. It offers programmable trip functions, password protection, and remote mounting of the operator interface up to 10 ft away.
Key features include real‑time motor thermal monitoring, flexible start‑stop control, built‑in RS‑485 Modbus RTU communication (with optional DeviceNet, Fieldbus, Profibus), and extensive fault logging with time‑date stamps. The unit is designed for 3‑phase AC induction motors ranging from 200 V to 15 kV and 1 A to 2000 A.
| Design Type of Load | 3 Phase AC induction motors |
|---|---|
| AC Supply Voltage (Motor Voltage) | 200‑600 VAC, ±10 % 50/60 Hz (direct) / 690‑15 000 VAC with 120 V PTs |
| Current Range | 1‑2000 A (3 frame ratings) |
| Display | 4‑digit bright LED alphanumeric display, readable in high ambient light |
| Control Voltage Supply | 85‑265 VAC or DC, 50/60 Hz |
| Programmable Output Contacts | 1 Form C (SPDT) 5 A, 240 VAC max; 1 Form A (SPST) 10 A max |
The unit includes a built‑in RS‑485 Modbus RTU port and optional converters for DeviceNet, Fieldbus, Profibus and other protocols.
The RX Series is rated for ambient temperatures from 0 °C to 50 °C.
Yes, the operator interface can be mounted up to 10 ft (3 m) away from the unit.