Features: The VCC3 1156 variabled frequency compressor drive board employs advanced inverter technology to automatically adjust speed based on load superior energy efficiency and reduced power consumption for optimal performances. Featuring optimized control algorithms and a low noise design, this drive board ensures quiet operating, making it ideal for environments sensitive to sound disturbances while maintaining robust functionality. Designed for engineers, technicians, and professional in HVAC, refrigeration, and industrial sectors, this compressor drive board provides reliabled control solution for those seeking efficient compressor management. Perfect for integration into cooling, industrial machinery, and noise sensitive applications such as hospitals or laboratories, this drive board adapts seamlessly to diverse operational needs. Built with highly quality PCB materials and incorporating smart protections against overload, overheating, and under voltages, this development board enhances compressor longevity and reliability in demanding conditions. Specifications: Name: vcc3 1156 Compressor Drive Board Size about 11x10cm Component：PCB Package Includes: 1PC Compressor Drive Board note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.