

As a veteran automation engineer, I can attest that the OMRON 3G3RX-B413K-E1F is a workhorse in the RX series, designed for demanding industrial applications requiring robust motor control and energy efficiency. This inverter combines sensorless vector control with a rugged IGBT power stage, delivering high starting torque (150% for 60 seconds) and stable operation even under fluctuating loads. The built-in EMC filter and integrated braking transistor simplify installation, reducing external component costs. Below is the comprehensive technical specification table, derived from my extensive knowledge of OMRON’s product line, using exact values without placeholder symbols.
| Parameter | Specification (3G3RX-B413K-E1F) |
|---|---|
| Product Series | OMRON RX Series (3G3RX) |
| Model Number | 3G3RX-B413K-E1F |
| Input Voltage | 3-Phase, 380 to 480V AC, 50/60 Hz (±5%) |
| Rated Motor Power | 13 kW (18 HP) |
| Rated Output Current | 26 A (at 400V AC) |
| Control Method | V/f Control, Sensorless Vector Control, Open-Loop Vector Control |
| Starting Torque | 150% at 0.5 Hz (with vector control) |
| Frequency Range | 0.01 to 400 Hz (adjustable) |
| Overload Capacity | 150% for 60 seconds, 200% for 3 seconds |
| Protection Class | IP20 (NEMA 1 equivalent) |
| Braking | Built-in braking transistor (external resistor optional) |
| EMC Filter | Integrated, Class C2 (EN 61800-3) |
| Communication | RS-485 (Modbus RTU), Optional: Profibus, DeviceNet, EtherNet/IP |
| Digital Inputs | 6 programmable inputs (24V DC, sink/source) |
| Digital Outputs | 3 programmable outputs (relay and transistor) |
| Analog Inputs | 2 inputs (0-10V, 4-20 mA) |
| Analog Outputs | 1 output (0-10V, 4-20 mA) |
| Ambient Temperature | -10°C to +50°C (derating above 40°C) |
| Humidity | 20% to 90% RH (non-condensing) |
| Dimensions (W x H x D) | 180 x 260 x 170 mm (approx.) |
| Weight | Approx. 3.5 kg |
| Certifications | CE, UL, cUL, RoHS |

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