The KBMA Series Adjustable Frequency Drives are variable speed controls housed in a NEMA-1 / IP-40 enclosure. They are designed to operate 1/8 thru 1 HP, 1* or 3-phase AC induction motors from 115 and 208-230 Volt 50 & 60 Hz. Adjustable Linear Acceleration and Deceleration make the drive suitable for soft-start applications. The Motor Horsepower Selection Jumper allows the drive to be used on a wide range of motor horsepower (1/8, 1/4,1/2, 3/4, 1HP) without recalibration or programming. Due to its user-friendly design, the KBMA is easy to install and operate. Selectable jumpers and adjustable trimpots can be used to set the drive to specific applications.
Key features include Power Start which delivers over 200% motor starting torque to ensure startup of high frictional loads and adjustable RMS Current Limit and I2t Motor Overload Protection. A Run/Fault Relay is provided, which can be used to turn on or off equipment or to signal a warning if the drive is put into the Stop Mode or a fault has occurred.
Standard front panel features include a Pilot Light for power on, and On/Off AC Line Switch, and a Main Speed Potentiometer. Internal features include diagnostic LEDs, adjustable trimpots, selectable jumpers and a Barrier Terminal Block for wiring.
Optional accessories include Forward-Stop-Reverse Switch, AC Line Filter and Programming Kit.
Model KBMA-24DF contains a built-in AC line Class A RFI (EMI) filter which meets the CE Council Directive 89/336/EEC Industrial Requirement.
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