– Single-phase VFD frequency inverter 220V to 380V – Power 4kW 6HP – Current 20A – Precise regulation for three-phase motors – AC 20A

General Description

The universal frequency inverter is designed to efficiently control three-phase motors. With a power rating of 4kW (6HP) and a maximum output current of 20A, it allows for precise regulation of speed and torque. This model is ideal for use in various equipment such as fans, pumps, and air compressors.

Technical Specifications

• Item Type: Frequency Inverter
• Model: AT904-4KW
• Input Voltage: Single Phase 220VAC 50/60Hz
• Output Voltage: Three Phase 0-380VAC 0-400Hz
• Maximum Output Current: 20A
• Suitable Motor Power: 4KW (6HP)
• Dimensions: 25 x 18 x 16.5 cm / 9.8 x 7.1 x 6.5 inches
• Appearance: ABS plastic casing

Compatibility and Accessories

• Compatible with three-phase motors of 380 V with a power rating below 4 kW and adjustable speed.
• Package List: 1 x Frequency Inverter, 1 x User Manual.

Installation

• Connect the power supply and the three-phase motor according to the wiring method shown in the manual.

Operation

• Controls the motor's start, stop, speed regulation, and CW and CCW rotation.
• Select the appropriate operating mode according to the application scenario.
• Motor speed and rotation can be adjusted via the knob on the panel.

Other Information

• Multi-stage control with 8 programmable steps.
• Analog input output with standard RS485 RTU mode.
• PID control for pressure Constant water and wind speed.
• Various protections: overcurrent, overvoltage, undervoltage, module failure, overheating, short circuit, input and output phase loss.