• The KBWT-112 is 208/230 VAC
• Designed to operate PWM and SCR rated Permanent Magnet motors ranging from 1/50 HP to 2.2 HP.
• Advantages of PWM (Pulse width modulated):
- Produces an almost pure DC current to the motor (form factor 1.05)
- Provide excellent dynamic response to load variation
- Significantly lowers audible motor noise and provides longer brush life
- Produces less motor heating allowing a smaller, less costly motor to be used for most applications
- Higher output voltage, which provides increased output speed
- Pulse-by-pulse current sensing provides short circuit protection and prevents control damage due to shorted motors
• A unique feature of the KBWT Series is its active bridge, which provides a substantial reduction in AC line surge current each time the control is turned on. This allows the control to be turned on or off rapidly without damage to critical components.
• Contains a built-in safety circuit that will shut down the control if the main power transistor short circuits. This prevents high-speed runaway, a potential problem with competitors’ controls.
• Utilizes heat-spreader construction. It provides an enhanced thermal path that eliminates overtemperature cycles which cause premature failure of the power transistors.
• KBWT (I x t) motor burnout protection, which will shut the control down if the motor is overloaded for a predetermined time, and the Potentiometer Safety Circuit™ (optional), which prevents the control from starting when the AC line is applied unless the speed potentiometer is reset to zero.
• Diagnostic LED’s for “Power On” and “Overload (OL)” indication are also provided
• Contains quick disconnect terminals as standard.
• Contains auto inhibit which provides a smooth, safe start during rapid switching of the AC line
• A potentiometer (5K), isolated analog input signal (0-5 VDC), or PWM microprocessor output can be used to vary the output of the control
• Dimensions: 6.80" x 7.00" x 2.4"
• Line fuse: Required
• Resistor and armature fuse: Required
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