VFD-EL Multifunction AC Micro Drives Delta Electronics VFD-EL Multifunction AC Micro Drives feature a built-in EMI filter, RFI switch, and built-in keypad, along with high-precision current detection and overload protection. These new-generation devices offer easy DC bus sharing for side-by-side installation, which also provides high-efficiency cooling and flexible spacing, while a removable cooling fan offers easy maintenance. The VFD-EL series uses an RS-485 communication interface (RJ-45) with Modbus protocol. Additional features include 0.1Hz to 600Hz output frequency, 3 points adjustable V/f curve, and built-in PID feedback control. Applications for Delta Electronics VFD-EL Multifunction AC Micro Drives include small-size pumps and fans, conveyor and transportation machinery, simple DIY processing equipment, woodworking machinery, and more.