Delta VFD4A8MS21AFSAA Variable Frequency Drive
Delta VFD4A8MS21AFSAA Variable Frequency Drive is designed for compact motor control applications where stable performance and efficient speed regulation are required. This Delta VFD 1 HP 230V Single Phase drive supports 0.75 kW motor systems with consistent output under varying load conditions. It operates on a single-phase 200V–240V AC input, making it suitable for small automation panels and machine-level installations. Developed by Delta, it belongs to the AC drive solutions and is part of the MS300 control drives designed for compact and high-performance motor control.
| Brand | Delta |
| Product Type | VFD |
| Model Number | VFD4A8MS21AFSAA |
Delta VFD4A8MS21AFSAA Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Applicable Motor Output ( kW) | 0.75 kW |
| Applicable Motor Output (HP) | 1 HP |
| Input Voltage / Frequency | 230V, Single-phase AC 200 V ~240 V, 50 / 60 Hz |
| Heavy DutyRated Output Current | 4.8 A |
| Normal DutyRated Output Current | 5 A |
| Cooling Method | Natural air cooling |
| IP Level | IP20 |
| EMC Filter | Built-in |
| Safe Torque Off (STO) | Integrated STO |
| Model Type | Standard model |
| Control Methods | V/F, SVC, FOC Sensorless |
| Size: W × H (mm) | 72×142 |
| Size: D (mm) | 159 |
| Verson | A |
| Input Mains Frequency Range (Hz) | 47 ~ 63 |
| Net Weight | 2.9 kg |
The Delta VFD4A8MS21AFSAA is engineered to deliver stable motor speed control in systems where compact design and consistent performance are essential. It enables smooth acceleration and deceleration, helping reduce mechanical stress on motors and connected equipment while improving overall system durability. The natural air cooling method supports efficient heat management without requiring additional cooling components, making it suitable for enclosed panel installations.
Applications such as small conveyors, pumps, and light-duty machines benefit from adjustable motor speed to match changing process requirements. This drive allows operators to regulate motor output based on real-time demand, improving efficiency while minimizing unnecessary power consumption. Its compact structure supports easy integration into panel-mounted configurations where space optimization is important.
For automation setups that require dependable single-phase motor control, the VFD4A8MS21AFSAA provides consistent output with stable performance across different load conditions. It supports continuous operation while maintaining control accuracy and efficiency. This makes it suitable for applications where reliable motor performance, efficient speed regulation, and compact system integration are essential for smooth operation.
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