KB offers 33 Variable Frequency Chassis IP 20 Drives in two categories.

The following features are common to both drives:

Sensorless Flux Vector Compensation with Static-Auto-Tune to provide excellent speed regulation with high torque loads throughout the entire speed range.  Auto energy saving at light loads. Smooth motor torque.

They are designed for applications that may or may not require digital programming and a digital display.  Hybrid KBVF & Digital KBDF AC Drives provide variable speed control of standard 3 phase AC induction motors from 1/8 to 5 horsepower. 

The following are their differences:

1. There are 17 KBVF Hybrid* AC Digital Drives which use an Analog Interface to set motor speed and trimpots to make the most common adjustments - minimum and Maximum speed, Acceleration, Deceleration, Current Limit and Slip Compensation.
   
   In addition, a variety of optional KB Electronics AC Drive Accessories including: SIVFR Signal Isolator with Run/Fault relay, Class “A” or “B” RFI/EMI Filter, Dynamic Brake Module, I/O Multi-function Expansion Module, Multi-Speed Board, Modbus Serial Communication, Drive-Link™ Programming Kit,  and a KBRK Remote Digital Keypad are available to meet the most demanding applications.
   
   
2. There are 16 KBDF AC Digital Drives with CSP** which use a digital keypad with displays to set over two hundred programmable functions.
   
   In addition, a variety of optional KB Electronics AC Drive Accessories including: I/O Multi-function Expansion Module, Drive-Link™ Programming Kit, Modbus Serial Communication, and a Portable Memory Module are available to meet the most demanding applications.

Both models are Chassis/IP 20 construction.