Delta VFD1A5MS43MFSAA Variable Frequency Drive
Delta VFD1A5MS43MFSAA Variable Frequency Drive is a Delta Natural Air Cooling Inverters solution designed for controlled motor operation in industrial automation systems. It supports 0.4 kW and 0.5 HP applications with a stable 460V three-phase AC input range of 380V~480V at 50/60 Hz. This model delivers 1.5 A heavy duty output current and 1.8 A normal duty output current, ensuring efficient and stable motor performance in low-power applications. Its natural air cooling structure supports reliable heat dissipation without forced ventilation, while the IP66 enclosure provides strong protection in harsh industrial environments. Manufactured by Delta automation, it belongs to the industrial VFD range and the MS300 inverter series.
| Brand | Delta |
| Product Type | VFD |
| Model Number | VFD1A5MS43MFSAA |
Delta VFD1A5MS43MFSAA Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Voltage / Frequency | 460V, Three-phase AC 380 V ~480 V, 50 / 60 Hz |
| Applicable Motor Output ( kW) | 0.4 kW |
| Applicable Motor Output (HP) | 0.5 HP |
| Heavy Duty Rated Output Current (A) | 1.5 A |
| Normal Duty Rated Output Current (A) | 1.8 A A |
| Cooling Method | Natural air cooling |
| IP Level | IP66 / NEMA 4X |
| EMC Filter | Built-in 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) | 72×142 |
| Size: D (mm) | 159 |
The Delta VFD1A5MS43MFSAA is commonly used in compact industrial automation systems such as small machinery, light conveyors, HVAC units, and auxiliary equipment requiring precise low-power motor control. Its robust IP66 design allows installation in environments exposed to dust and moisture.
This Delta Natural Air Cooling Inverters unit maintains stable operation through natural convection cooling, reducing maintenance needs while ensuring consistent motor control. It delivers smooth acceleration, stable torque, and efficient performance in low-load conditions.
For industries searching for a reliable Delta Natural Air Cooling Inverters solution, the Delta VFD1A5MS43MFSAA offers dependable performance, durability, and energy-efficient motor control. Within Delta industrial drive solutions, this model is ideal for compact and harsh-environment applications requiring reliable speed regulation.

