040-503-4-00
May 27, 2026

040-503-4-00

This is an industrial variable frequency drive, designed for 3-phase 380-500V power supply. It features four-quadrant operation and built-in standard EMC filter with high stability and expandability. It drives 3-phase asynchronous motors and permanent magnet synchronous motors, supporting speed regulation, torque control and positioning control. Widely applied in cranes, conveyors, machine tools, packaging machines, fans, water pumps and other industrial equipment for general transmission and high-precision servo applications.

Description

1. Product Introduction

This is an industrial variable frequency drive, designed for 3-phase 380-500V power supply. It features four-quadrant operation and built-in standard EMC filter with high stability and expandability.
It drives 3-phase asynchronous motors and permanent magnet synchronous motors, supporting speed regulation, torque control and positioning control. Widely applied in cranes, conveyors, machine tools, packaging machines, fans, water pumps and other industrial equipment for general transmission and high-precision servo applications.

2. Model Code Explanation

Model: 040-503-4-00
  1. 040: Power rating for matched motors

  2. 503: 3-phase 380~500V AC power supply; built-in Class C2 EMC filter, compliant with industrial EMC standards

  3. 4: Four-quadrant operation with integrated brake chopper, enabling energy regeneration for frequent start-stop and lifting loads

  4. 00: Standard basic configuration without optional modules

3. Main Technical Parameters

  1. Input: 3-phase 380-500V AC (±10% voltage fluctuation), 50/60Hz (±5% frequency fluctuation)

  2. Output: Output frequency range 0~400Hz; rated output current matching the power rating

  3. Overload capability: Strong short-time overload performance for equipment startup and impact loads

  4. Control modes: V/F open-loop control, closed-loop vector control and servo control

  5. Control accuracy: Closed-loop speed accuracy ±0.01%; open-loop speed accuracy ≤±0.5%; fast torque response

  6. Interfaces: Standard digital inputs, digital outputs, relay output, 2 analog inputs and 2 analog outputs for signal collection and control

  7. Protection class: IP20, suitable for installation in standard indoor industrial control cabinets

4. Product Features

  1. Wide compatibility: Works with both asynchronous motors and permanent magnet synchronous motors, suitable for general transmission and high-precision servo working conditions.

  2. Excellent braking performance: Four-quadrant operation and built-in brake chopper realize regenerative braking, energy-saving and ideal for high-inertia loads such as lifting and hoisting equipment.

  3. Integrated positioning function: Supports single-axis positioning, multi-axis synchronization and cam motion control independently without additional controllers.

  4. Modular expansion: Compatible with encoder modules, industrial fieldbus modules and I/O expansion modules for different automation systems.

  5. Good EMC performance: Factory-fitted Class C2 EMC filter meets on-site electromagnetic interference requirements and simplifies commissioning.

  6. High reliability: Strong resistance to impact loads, stable for 24-hour continuous industrial operation.

5. Application Industries & Scenarios

  1. Logistics, port and mining: Cranes, elevators and conveyor lines

  2. Machinery manufacturing: Machine tool spindles, injection molding machines and extruders

  3. Light industry: Printing, textile and packaging machinery for high-speed synchronization and tension control

  4. HVAC & fluid equipment: Fans, water pumps and compressors for energy-saving renovation

6. Selection & Usage Notes

  1. Verify on-site power voltage and motor parameters before use to ensure matching.

  2. Select control modes according to accuracy requirements: V/F for general speed regulation; vector or servo mode for high precision and high dynamic response.

  3. Select corresponding fieldbus modules for connection with automation systems.

  4. Equip with auxiliary brake components for frequent braking and heavy-load operation to ensure operational safety.


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