Specifications

Model Number: FE550N-4-3PH-5.5G-7.5P

• Product Type: Variable Frequency Drive (VFD)
• Rated Power (Heavy Duty): 5.5 kW
• Rated Power (Pump & Fan Duty): 7.5 kW
• Motor Rating: 7.5 HP (approx.)
• Input Supply: Three-Phase AC
• Input Voltage: 380V – 415V AC
• Input Frequency: 50/60 Hz
• Output Supply: Three-Phase AC
• Output Voltage: 0 – Input Voltage
• Output Frequency Range: 0 – 500 Hz
• Control Method: V/F Control and Sensorless Vector Control
• Frequency Resolution: 0.01 Hz
• Overload Capacity: 150% rated current for 60 seconds
• Communication Interface: RS485 Modbus RTU
• Cooling Method: Forced Air Cooling
• Protection Class: IP20
• Mounting Type: Panel Mount

Control Features

• PID Control
• Soft Start and Soft Stop
• Adjustable Acceleration and Deceleration Time
• Multi-Speed Operation
• Torque Boost Function
• Forward and Reverse Rotation
• Auto Restart Function
• Energy Saving Mode
• Built-in Speed Regulation Control

Protection Functions

• Over Current Protection
• Over Voltage Protection
• Under Voltage Protection
• Over Temperature Protection
• Short Circuit Protection
• Motor Overload Protection
• Phase Loss Protection

Input / Output Terminals

• R / S / T – Three Phase AC Input
• U / V / W – Motor Output
• PE – Ground / Earth
• AI – Analog Input (0–10V / 4–20mA)
• DI – Digital Inputs
• RO – Relay Output
• RS485+ / RS485- – Modbus Communication

Applications

• Water Pump Systems
• Industrial Fans and Blowers
• Conveyors
• Mixers
• Compressors
• Textile Machines
• General Industrial Motor Control