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The KBAC
Adjustable Frequency Drive is a variable speed control
housed in a rugged
die cast NEMA-4X / IP-65 washdown and watertight
enclosure. They are
designed to operate 208-230 and 460 Volt 3-phase AC
induction motors
through 5 HP. The main features of the KBAC include
adjustable Current
Limit and I2t Motor Overload Protection. In addition,
Adjustable Slip Compensation
with “auto-tune” provides 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 and Adjustable Linear Acceleration
and Deceleration make the drive suitable for soft-start
applications. Also
provided is a Horsepower Selection Jumper which enables
the KBAC to be used
on motors below its maximum rating without recalibrating
Current Limit and Slip Comp.
Standard front panel features of the KBAC include
diagnostic LEDs, a Start/Stop Switch, and Main Speed
Potentiometer. Run / Fault
Relay output contacts are also provided. Optional
accessories for the KBAC
include a Power On/Off Switch, Forward-Brake-Reverse
Switch, Signal Isolator, Multi-Speed Board and RFI
Filters. The control
is available in black finish or white FDA approved
finish. The drive can
be manually readjusted with trimpots and jumpers or
digitally programmed with optional Drive-Link or
DownLoad Module (DLM).
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