Specifications
Specification Value
Input Voltage 380–480 VAC three‑phase
Frequency 50/60 Hz
Output Power / Motor Size ~25 HP (18.5 kW)
Current Rating 38 A
Phase 3‑Phase
Drive Type Variable Frequency Drive (AC motor drive)
Typical Use Case HVAC motor control, pumps, fans
Manufacturer Warranty Often discontinued / no original warranty
Weight (approx.) ~54 lbs (≈24.5 kg)
AYK550-UH-038A-4+K465 VFD (also referenced as AYK550‑UH‑038A‑4+K465) is a variable frequency drive (VFD) used to control the speed and torque of AC electric motors, often in HVAC (Heating, Ventilation, and Air Conditioning) and industrial motor applications. It is designed to optimize motor performance, improve energy efficiency, and provide smooth speed control.