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Omron 3G3MX2-A4004-E 0.4 kW 3-Phase 400 V Variable Frequency Drive

The Omron 3G3MX2-A4004-E is a 0.4 kW, 3-phase 400 V general-purpose VFD designed for precise speed and torque control of small industrial motors in compact automation systems.

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Product Description

The Omron 3G3MX2-A4004-E belongs to Omron’s reliable MX2 series, offering advanced motor control in a compact package perfect for small conveyors, packaging machines, fans, pumps, and light-duty equipment. It combines V/f control with sensorless vector control to deliver strong low-speed torque and precise speed regulation, making it ideal for applications requiring smooth starts, stops, and dynamic response.

Built-in protection functions safeguard both the drive and motor against overcurrent, overvoltage, undervoltage, overload, and overtemperature conditions, helping maximize uptime. Flexible acceleration/deceleration ramps, S-curve profiles, and multi-step speed settings let users customize motor behavior to match specific mechanical loads and reduce wear. The drive’s simple logic functions handle basic sequencing and interlocking without external controllers for straightforward applications.

Multiple programmable digital I/O terminals support start/stop, forward/reverse, jog, multi-speed selection, and alarm signals. Analog inputs accept 0–10 V or 4–20 mA speed references, while an analog output provides feedback on frequency, current, or other parameters. Standard Modbus RTU communication over RS-485 enables easy integration with PLCs, HMIs, and SCADA systems. With its IP20 panel-mount design and intuitive keypad, installation, commissioning, and maintenance are straightforward even for non-specialists.

Specifications Table

Category Specification
Rated Power 0.4 kW (0.5 HP)
Input Voltage 3-phase 380–480 V AC, 50/60 Hz
Output Voltage 3-phase 0–400 V
Rated Current (HD) 1.8–2.0 A
Rated Current (ND) Up to 2.1 A
Output Frequency 0.1–400 Hz (up to 1000 Hz carrier)
Control Modes V/f, sensorless vector
Overload Capacity 150% for 60 seconds
Enclosure IP20
Dimensions (WxHxD) 108 × 128 × 143.5 mm
Weight 1.5 kg
Ambient Temp -10°C to +40°C (operation)

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