Delta VFD7A5MS21MNSAA Variable Frequency Drive
Delta VFD7A5MS21MNSAA Variable Frequency Drive is a Delta 2HP 230V VFD designed for controlled motor operation in industrial automation systems. It supports 1.5 kW and 2 HP applications with a stable 230V single-phase AC input range of 200V~240V at 50/60 Hz. The drive delivers 7.5 A heavy duty output current and 8.5 A normal duty output current, ensuring stable torque control and consistent motor speed regulation in industrial environments. Its natural air cooling design ensures reliable thermal performance, while the IP66 enclosure allows installation in dust-prone and moisture-prone conditions. Manufactured by Delta automation, it is part of the Delta Variable Frequency Drive range and the MS300 series inverter platform.
| Brand | Delta |
| Product Type | VFD |
| Model Number | VFD7A5MS21MNSAA |
Delta VFD7A5MS21MNSAA Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 230V, Single-phase AC 200 V ~240 V (-15% ~ +10%), 50 / 60 Hz |
| Applicable Motor Output ( kW) | 1.5 kW |
| Applicable Motor Output (HP) | 2 HP |
| Heavy Duty Rated Output Current (A) | 7.5 A |
| Normal Duty Rated Output Current (A) | 8.5 A |
| Cooling Method | Natural air cooling |
| IP Level | IP66 / NEMA 4X |
| EMC Filter | None EMC Filter |
| Safe Torque Off (STO) | Integrated STO |
| Model Type | Standard Model |
| Braking Chopper | Built-in Braking Chopper |
| Output Frequency | 0.00 ~ 599.00 Hz (±0.1%) |
| Control Methods | V/F, SVC, FOC Sensorless |
| Size: W × H (mm) | 87×157 |
| Size: D (mm) | 152 |
The Delta VFD7A5MS21MNSAA is widely applied in industrial automation systems where compact size and reliable motor control are required. It is commonly used in equipment such as small conveyors, pumps, ventilation systems, compressors, and auxiliary production machinery. These applications demand stable torque output, smooth acceleration, and consistent speed regulation, which the MS300 series architecture supports effectively.
With its 230V single-phase input compatibility, this Delta 2HP VFD is suitable for installations where three-phase supply is limited but controlled motor operation is still required. The built-in natural air cooling system helps maintain thermal stability without additional cooling components, reducing maintenance requirements and improving system reliability.
The IP66 protection rating makes this drive suitable for harsh environments where dust, humidity, or water exposure can affect conventional drives. This allows flexible installation close to the machine, reducing wiring complexity and improving system efficiency. The Delta MS300 platform ensures stable control performance, smooth frequency variation, and reliable motor protection functions such as overload handling and safe acceleration control.
For industrial users looking for a reliable 2HP variable frequency drive, the Delta VFD7A5MS21MNSAA offers a balanced combination of durability, efficiency, and compact design. It is commonly selected in small-scale automation systems where stable performance and environmental resistance are critical for continuous operation.
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