Motor Protection Relays
JR-100 Motor Soft Starter Protection Module
Soft-start protection module reducing inrush current and protecting motors during ramp-up.
Motor Protection Relays
MD-300 Motor Protection & Control Relay with Communication
Model: MD-300
Communicative motor protection relay adding start/stop control and Modbus monitoring.
Specifications
Technical Specifications
| Rated Current | 1–800A (via CT) |
|---|---|
| Protection | Overload, Phase-loss, Unbalance, GF |
| Control | Start / Stop relay outputs |
| Communication | RS485, Modbus-RTU |
| Supply | 85–265V AC/DC |
| Mounting | DIN rail 35mm |
Features
Key Features
- Full motor protection suite
- Integrated start / stop control
- RS485 Modbus-RTU monitoring
- Trip-cause recording
- Real-time current / status
- DIN-rail mounting
Applications
Applications
Automated PlantsPumpsFansConveyorsHVAC
Overview
Product Description
The MD-300 adds integrated start/stop control and RS485 Modbus communication to the MD-200 protection set. It supports remote motor control and condition monitoring, and logs trip causes for easier maintenance in automated plants.