The KBAC-27D Adjustable Frequency Drive is housed in a NEMA-4X/IP-65 wash-down watertight enclosure. It is designed to operate 208/230 Volts 50/60Hz 3 Phase AC induction motors used for Machine or Variable Torque (HVAC) applications. It operates from 115 or 208/230 Volts 50/60Hz single phase AC input. Standard features include; Digital Programming Adjustable RMS Current Limit I2t prevents Motor Burnout Slip Compensation with Auto-Tune and Boost provides excellent load regulation over a 60:1 speed range Power Start delivers over 200% motor starting torque to ensure startup of high frictional loads. Other standard features include; Run/Fault Relay Output Contacts Electronic Inrush Current Limit (EICL) that eliminates harmful AC Line inrush currents. Also provided are two diagnostic LEDs. Linear Acceleration and Deceleration make the drive suitable for soft-start applications and JOG. Standard front panel features include; a Start/Stop Switch and a Main Speed Potentiometer. Dimensions approx. 9.8″ X 7.6″ X 7.3″. Agency approvals: UL CE CSA C-Tick. (Pending)Optional accessories include: Switches for Forward-Stop-Reverse Power On/Off Run-Stop-Jog and Auto Manual for Voltage Following Signal Isolator MSB Multi Speed Board Class B RFI Filter DLM Download Module Drive Linktm Programming Kit Modbus Communications Kit Dynamic Brake Module.Instruction Manual:http://www.kbelectronics.com/manuals/kbac.pdf