

The OMRON 3G3RX-A4185-E1F is a cutting-edge variable frequency drive from the RX series, engineered to deliver reliable and efficient motor control in demanding industrial environments. This 18.5 kW inverter supports 3-phase AC input from 380 to 480V, making it a versatile choice for global installations. Featuring advanced vector control without an encoder, the 3G3RX-A4185-E1F ensures high starting torque (200% at 0.5 Hz) and stable operation across a wide speed range. Its compact, IP20-rated enclosure allows easy panel mounting, while the built-in EMC filter and dynamic braking capabilities enhance system reliability. Whether for new projects or retrofitting existing machinery, this drive offers flexibility through integrated communication options and user-friendly programming.
| Parameter | Specification |
|---|---|
| Model Number | 3G3RX-A4185-E1F |
| Input Voltage | 3-Phase, 380-480V AC ±10%, 50/60 Hz |
| Output Voltage | 3-Phase, 0-100% of Input Voltage |
| Rated Output Current | 37 A (at 480V AC) |
| Rated Motor Power | 18.5 kW (25 HP) |
| Overload Capacity | 150% for 60 seconds, 200% for 0.5 seconds |
| Control Method | V/f Control, Sensorless Vector Control, Advanced Vector Control |
| Starting Torque | 200% at 0.5 Hz (Vector Control) |
| Frequency Control Range | 0.01 to 400 Hz |
| Frequency Accuracy | ±0.01% of Max Frequency (Digital Setting) |
| Analog Inputs | 2 (0-10V DC / 4-20 mA, selectable) |
| Analog Outputs | 1 (0-10V DC / 4-20 mA, selectable) |
| Digital Inputs | 8 (Programmable, NPN/PNP selectable) |
| Digital Outputs | 3 (Relay: 1, Transistor: 2) |
| Communication Interface | Modbus RTU (RS-485), Optional Fieldbus Modules |
| Built-in EMC Filter | Yes, Class C2 (EN 61800-3) |
| Braking | Built-in Dynamic Braking Transistor (External Resistor Required) |
| Enclosure Rating | IP20 (NEMA 1) |
| Ambient Temperature | -10°C to +50°C (Derating above 40°C) |
| Protection Functions | Overcurrent, Overvoltage, Undervoltage, Overload, Overtemperature, Phase Loss, Ground Fault |
| Standards | CE, UL, cUL, RoHS |
| Dimensions (W x H x D) | Approx. 245 x 380 x 180 mm |
| Weight | Approx. 5.5 kg |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22