Delta VFD004E21A Variable Frequency Drive
Delta VFD004E21A Variable Frequency Drive is developed for compact motor control applications requiring stable speed regulation and dependable operational performance. This Delta 0.5 HP 230V single-phase drive supports 0.4 kW motor systems with reliable output performance under varying operating conditions. It operates using a 200–240V AC input supply and delivers 2.5 A rated output current with 1 kVA output capacity for efficient motor management. Manufactured by Delta industrial automation systems, this drive belongs to the Delta inverter control products and is part of the E Series motor drive platform engineered for reliable industrial automation control.
| Brand | Delta |
| Product Type | VFD |
| Model Number | VFD004E21A |
Delta VFD004E21A Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Applicable Motor Output ( kW) | 0.4 kW |
| Applicable Motor Output (HP) | 0.5 HP |
| Input Voltage / Frequency | 230V, Single, 200-240V, 50/60Hz |
| Output Current (A) | 2.5 A |
| Output Capacity (kVA) | 1 kVA |
| Cooling Method | Natural Cooling |
| IP Level | IP20 |
| Pollution Degree | 2 |
| Storage/Transportation Temperature | 20’C~60’C |
| Ambient Humidity | Below 90% RH (non-condensing) |
| V/F Pattem | SPWM (Sinusoidal Pulse Width Modulation) Control (V/F or sensorless vector control) |
| Input Frequency Tolerance | ±5% (47-63Hz) |
| Voltage Tolerance | ±10% (180-264V) |
The Delta VFD004E21A is engineered to provide stable motor speed control in applications where compact integration and dependable operation are important. It supports controlled acceleration and deceleration, helping reduce stress on motors and connected mechanical systems while improving operational durability. The natural cooling structure enables efficient thermal dissipation, allowing reliable operation inside enclosed control panels without requiring additional cooling equipment.
Industrial systems such as compact conveyors, ventilation equipment, light-duty pumps, and automated machine assemblies benefit from adjustable speed regulation to match changing operational requirements. This drive enables operators to regulate motor output according to actual process demand, improving efficiency while minimizing unnecessary energy consumption. Its compact construction supports organized panel integration, making it suitable for automation setups where optimized space utilization and structured wiring layouts are important.
For industrial environments requiring dependable low-power single-phase motor control, the VFD004E21A delivers consistent output performance across varying load conditions. It supports continuous operation while maintaining control accuracy and efficient energy management. This makes it suitable for applications where reliable motor operation, compact integration, and stable automation control are essential for maintaining smooth industrial processes.
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