The KBVF Adjustable Frequency Drives provide variable speed control for standard 208-230 and 400/460 Volt 50 & 60 Hz 3-phase & PSC AC induction motors from subfractional thru 5 HP. The sine wave coded Pulse Width Modulated (PWM) output operates at a carrier frequency of 16 kHz, which provides high motor efficiency and low noise. Adjustable linear acceleration and deceleration are provided, making the drive suitable for softstart applications.

KBVF Benefits

Due to its user-friendly design, the KBVF is easy to install and operate. Tailoring to specific applications is accomplished with selectable jumpers and trimpots, which eliminate the computer-like programming required on other drives. However, for most applications no adjustments are necessary. For more advanced programming, PC based Drive-Link™ software is available.kbvf

Main features include adjustable RMS Current Limit and I 2 t Motor Overload Protection.

In addition, Adjustable Slip Compensation with Static Auto-Tune and Boost provides high torque and excellent load regulation over a wide speed range. Power Start™ delivers over 200% motor torque to ensure startup of high frictional loads. Electronic Inrush Current Limit (EICL™) eliminates harmful AC line inrush current. 4 The drive is suitable for machine or variable torque (HVAC) applications. With optional software, the drive can be programmed for DC Injection Braking. For AC line and motor wiring, Models KBVF-21D, 22D, 13, 23, 23D, 14, 24, 24D, 26D contain quick-connect terminals. Models KBVF-27, 29, 45, 48 contain a Barrier Terminal Block. Other features include: adjustable trimpots (CL, MAX, MIN, DEC/B 6 ACC, COMP), customer selectable jumpers (Line Voltage (dual voltage models only), Automatic-Manual Start/Reset, Motor Frequency, Frequency Multiplier, Forward/Reverse).

Diagnostic LEDs are provided for power (PWR) and drive status (ST). A Signal Isolator and Run/Fault Relay Output Contacts are provided on Models KBVF-45, 48 and are optional on all other models. Other optional accessories include: Class “A” and “B” AC Line Filters, Dynamic Brake Module, Multi-Speed Board, Programming Kit, and Modbus Communication Module. A connector is provided for easy installation of accessories. A 5 k Main Speed Potentiometer is also included.

KBVF Links

KBVF datasheet kbvf

KBVF manual kbvfmanual