This frequency converter features a variety of powerful standard and optional functional components with a low total cost of ownership, making it an ideal choice for OEMs. The VLT® HVAC Basic Drive FC 101 is the preferred option for heating, ventilation, air - conditioning, and simple compressor applications and can be optionally equipped with a 2 - line digital screen or a full - graphic display. The VLT® Flow Drive FC 111 focuses on pump and fan applications. It's an ideal choice for Chinese OEMs and can be equipped with a Chinese operation panel for programming and monitoring settings. VLT® HVAC Drive FC - 111 (PK37) 0.37 KW / 0.50 HP, three - phase, 380 - 480 VAC, IP20/rack backplane, Class A2 RFI (C3), without braking chopper, without local control panel, with coated PCB, without main power supply option, without Option A, without Option B, without Option C1, without Option D, Frame: H1. Select other options according to the model code.