Delta's VFD-VL series AC motor drives for elevators are based on years of experience in designing AC motor drives. VFD-VL uses the latest control technology to offer you the ultimate in reliability and safety. All VFD-VL features are designed to meet the needs of the market, e.g. brake control for motors, backup electricity, built-in brake loop, auto-tuning of motor parameters, numerous encoder interfaces, numerous communication functions and self-protection, etc.