Delta VFD91AMH43AFSAA Variable Frequency Drive
Delta VFD91AMH43AFSAA Variable Frequency Drive is developed for industrial motor control applications requiring stable speed regulation and dependable operational performance. This Delta 60 HP 460V 3-phase drive supports 45 kW motor systems with reliable output performance under varying operating conditions. It operates using a 380–480V AC input supply and delivers 91 A heavy-duty output current with 108 A normal-duty output current for efficient motor management. Manufactured by Delta industrial automation solutions, this drive belongs to the Delta AC drive systems and is part of the MH300 compact vector drive platform engineered for reliable industrial automation control.
| Brand | Delta |
| Product | VFD |
| Model Number | VFD91AMH43AFSAA |
Delta VFD91AMH43AFSAA Variable Frequency Drive - Technical Specifications
| Specification | Value |
|---|---|
| Input Rated Voltage/Frequency | 460V, Three-Phase AC 380 V ~ 480 V (-15% ~ +10%), 50 / 60 Hz |
| Applicable Motor Output ( kW) | 45 kW |
| Applicable Motor Output (HP) | 60 HP |
| Heavy Duty Rated Output Current (A) | 91 A |
| Normal Duty Rated Output Current (A) | 108 A |
| Cooling Method | Fan Cooling |
| IP Level | IP20 |
| EMC Filter | Built-in EMC Filter |
| Safe Torque Off (STO) | Integrated STO |
| Model Type | Standard Model |
| Braking Chopper | Built-in Braking Chopper |
| Carrier Frequency (kHz) | 2 ~ 15 kHz（default 4 kHz） |
| Max. Output Frequency | 599Hz |
| Control Methods | V/F, SVC, FOC, V/F+PG, FOC+PG, TQC+PG |
| Size: W × H (mm) | 280 x 500 |
| Size: D (mm) | 280 |
| AC Reactor | Optional |
The Delta VFD91AMH43AFSAA is engineered to provide stable motor speed control in applications where dependable operation and efficient performance are essential. It supports controlled acceleration and deceleration, helping reduce stress on motors and connected mechanical systems while improving operational durability. The fan cooling structure enables efficient thermal management, allowing reliable operation inside enclosed control panels during continuous industrial usage.
Industrial systems such as conveyors, compressors, pumps, mixers, heavy-duty processing machines, and automated production 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 systematic wiring layouts are important.
For industrial environments requiring dependable high-capacity three-phase motor control, the VFD91AMH43AFSAA 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 uninterrupted industrial processes.
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