

The OMRON 3G3RX-A4075-E1F is a robust and versatile variable frequency drive engineered for demanding industrial applications requiring precise speed and torque control of three-phase induction motors. This model belongs to the RX Series, renowned for its energy-saving capabilities, reliable performance, and ease of integration. With a power rating of 7.5 kW at 400 VAC input, the 3G3RX-A4075-E1F is perfectly suited for medium-duty loads such as centrifugal pumps, fans, compressors, and conveyor systems. It features a built-in EMC filter to comply with European standards, ensuring stable operation in electrically noisy environments. The drive supports both V/f and vector control modes, including sensorless vector control, delivering excellent low-speed torque and dynamic response. Its intuitive keypad allows for quick parameter setting, while the integrated RS-485 Modbus RTU port enables straightforward connectivity to PLCs and SCADA systems. Optional plug-in cards add Ethernet/IP, Profibus DP, or DeviceNet for advanced networking. The compact IP20 enclosure saves cabinet space, and the robust heat sink design ensures reliable cooling even under continuous full-load operation. The 3G3RX-A4075-E1F also includes protective features such as overcurrent, overvoltage, and overtemperature protection, making it a durable choice for harsh industrial settings.
| Parameter | Specification |
|---|---|
| Model | 3G3RX-A4075-E1F |
| Manufacturer | OMRON |
| Series | RX Series |
| Rated Output Power | 7.5 kW (10 HP) |
| Rated Input Voltage | Three-phase, 380-480 VAC, 50/60 Hz |
| Rated Output Current | 16.5 A (at 400 VAC) |
| Control Method | V/f control, sensorless vector control, vector control with encoder feedback (optional) |
| Frequency Range | 0.0 to 400.0 Hz |
| Overload Capacity | 150% for 60 seconds, 200% for 3 seconds |
| Built-in EMC Filter | Class C2 (EN 61800-3) |
| Communication Interface | RS-485 Modbus RTU (standard); optional Ethernet/IP, Profibus DP, DeviceNet via plug-in cards |
| Analog Inputs | 2 (0-10 VDC / 4-20 mA, selectable) |
| Analog Outputs | 1 (0-10 VDC / 4-20 mA, selectable) |
| Digital Inputs | 6 (programmable, NPN/PNP) |
| Digital Outputs | 2 (relay), 1 (open collector) |
| Protection Functions | Overcurrent, overvoltage, undervoltage, overtemperature, motor overload (electronic thermal), phase loss |
| Ambient Temperature | -10°C to +50°C (derating above 40°C) |
| Enclosure Rating | IP20 |
| Dimensions (W x H x D) | Approx. 140 mm x 260 mm x 170 mm |
| Weight | Approx. 2.8 kg |
| Cooling Method | Forced air cooling with internal fan |
| Standards Compliance | CE, UL, cUL, RoHS |

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