The kbvf-23d, adjustable frequency ac drive. Digital programming, adjustable rms current limit, i2t prevents motor burnout, slip compensation with auto-tune & boost provides excellent load regulation over a 30:1 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