Key Features:
Type: Variable Frequency Drive (VFD)

Model: FR-E820S-0.4K-1

Series: FR-E820 Series

Motor Compatibility:

Compatible with three-phase induction motors for controlling speed and torque

Ideal for pumps, fans, compressors, conveyors, and other industrial machinery

Compact Design:

Compact and lightweight design for easy installation in limited space

Designed for panel mounting with minimal wiring

Energy Efficiency:

Built-in energy-saving functions that optimize the motor's performance

Offers dynamic torque control for improved efficiency during variable-speed operations

Real-time energy monitoring to track and reduce energy consumption

Speed and Torque Control:

Provides precise motor speed control across a wide range of operating conditions

Supports open-loop control and closed-loop control for high-accuracy motor control

Torque boost and auto-tuning features for optimal performance

Communication and Integration:

Modbus RTU communication for easy integration with PLC systems and SCADA systems

Supports RS485 communication for easy network connection

Protective Features:

Overload protection to prevent motor damage due to excessive load

Overvoltage and undervoltage protection for safe operation in fluctuating power conditions

Short-circuit protection for safe and reliable operation

Overheat protection to prevent thermal damage in high-temperature environments

Ground fault protection to ensure safety during operation

User-Friendly Interface:

Features an easy-to-read LED display for real-time monitoring of motor performance

Simple parameter setting via external keypad or through PC-based configuration software

Quick setup and intuitive operation for ease of use

Advanced Control Algorithms:

Supports vector control and V/F control for smooth and accurate motor operation

PID control for fine-tuned speed regulation and smooth operation

Slip compensation to maintain constant speed even under varying load conditions

Specifications / Parameters:
Input Power Supply:

Voltage: 200-240 V AC, 3-phase

Rated Input Current: 2.4 A

Input Frequency: 50/60 Hz ±5%

Output Power:

Rated Output Power: 0.4 kW (approximately 0.5 HP)

Rated Output Voltage: 200-240 V AC

Rated Output Current: 2.0 A

Control Method:

V/F control (Variable Frequency Control) for general-purpose motor control

Vector control for improved dynamic performance and torque regulation

PID control for precise motor speed control and process control

Speed Control Range:

Speed Range: 0 to 400 Hz (typically 0 to 60 Hz for normal operation)

Speed Accuracy: ±0.5% (at steady speed)

Output Frequency Range:

Frequency Range: 0 to 400 Hz

Frequency Accuracy: ±0.01% (in vector control mode)

Protection Features:

Overload protection: 150% for 1 minute

Overvoltage protection

Undervoltage protection

Overheating protection

Short-circuit protection

Ground fault protection

Communication Interface:

Modbus RTU for easy integration with external PLCs and SCADA systems

RS485 communication for network connectivity

Environmental Durability:

Operating Temperature: -10°C to +50°C

Storage Temperature: -20°C to +65°C

Humidity: 20% to 90% RH (non-condensing)

Protection Class: IP20 (for indoor use)

Dimensions:

Width: 78 mm

Height: 160 mm

Depth: 125 mm

Weight: Approx. 1.5 kg

Applications:
Pumps and Fans: Ideal for water pumps, HVAC fans, and other fan-driven applications where energy efficiency and speed control are required

Conveyors: Controls the speed and torque of conveyor belts, sorting systems, and automated material handling

Compressors: Provides precise motor control in compressor systems, ensuring smooth and efficient operation

Industrial Machinery: Suitable for machine tools, welding equipment, and automated production lines

HVAC Systems: Controls motors in HVAC applications such as air conditioning systems, ventilation, and refrigeration

Water Treatment: Controls motors for pumping stations, water filtration, and water treatment systems