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3G3MX2-A4040-V2

Omron 3G3MX2-A4040-V2 MX2 Inverter 4kW 400V Three-Phase VFD

SKU: 3G3MX2-A4040-V2

USD 255.00

Omron 3G3MX2-A4040-V2 is a 4kW MX2 series VFD with three-phase 400V input for medium-power motor speed control in industrial applications.

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Product Overview

The Omron 3G3MX2-A4040-V2 is a powerful variable frequency drive from the MX2 series, delivering 4kW output for demanding industrial motor control applications. Operating on three-phase 400V AC input, this inverter features advanced vector control technology for precise speed and torque regulation. The MX2 series includes built-in safety functions meeting SIL3 and PLe requirements, comprehensive protection features, and multiple communication options. With robust design and wide parameter support, the 3G3MX2-A4040-V2 is suitable for controlling induction motors and permanent magnet motors in applications ranging from pumps and fans to conveyors and machine tools. The drive supports multiple control modes including V/f control, sensorless vector control, and closed-loop vector control with optional encoder feedback, providing optimal performance across various motor types and load conditions. Built-in EMC filter reduces electrical noise, while the intuitive parameter structure and detachable keypad with copy function simplify setup and commissioning. The comprehensive protection includes overload, overvoltage, undervoltage, overtemperature, and short circuit protection, ensuring reliable operation in harsh industrial environments. Multiple communication options with Modbus RTU built-in and optional cards for Ethernet/IP, Profibus, DeviceNet, and CANopen enable seamless integration into modern automation architectures.

  • SKU: 3G3MX2-A4040-V2
  • Series: 3G3MX2 (MX2)
  • Voltage: 380-480VAC
  • I/O: 4 I/O

Best-Fit Applications

  • Industrial pump control
  • HVAC fan and blower systems
  • Conveyor and material handling
  • Mixers and agitators
  • Compressor control
  • Machine tool drives
  • General industrial machinery
  • Process automation

Buying Checklist

  • Proven Omron reliability
  • Advanced vector control
  • Built-in safety functions
  • Flexible communication options
  • Easy setup with keypad
  • Energy-efficient operation
  • Comprehensive protection
  • Global support network

Technical Specifications

Model 3G3MX2-A4040-V2
Series 3G3MX2 (MX2)
Rated Output 4kW (5 HP)
Input Voltage Three-phase 380-480VAC
Output Current 9A (ND), 7.5A (HD)
Control Method V/f, Sensorless Vector
Built-in EMC Filter Yes
Communication Modbus RTU
Brake Chopper Built-in
Safety STO (Safe Torque Off)
Operating Temperature -10 to +50°C
Mounting Panel mount

FAQ for 3G3MX2-A4040-V2

What size breaker do I need for 4kW VFD?
For 400V 4kW: 16A type D or K circuit breaker. Size at 150-200% of VFD input current to handle inrush. Add contactor for emergency stop (controlled by safety circuit).
Can this VFD control multiple motors?
Yes, one VFD can control multiple motors in V/f mode (not vector). Total motor current must not exceed VFD rating. Each motor needs individual overload protection. All motors run at same speed.
What's the minimum speed I can run?
0.1 Hz minimum output frequency. For standard motors, minimum continuous speed is typically 10-20 Hz (300-600 rpm) without forced cooling. Below this, motor overheats. Use inverter-duty motor for low-speed continuous operation.
Do I need to derate for high altitude?
Yes, derate 1% per 100m above 1000m altitude. At 2000m, derate 10%. Reduced air density reduces cooling efficiency. For installations above 3000m, consult Omron for special considerations.

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