The KBMA Series of Adjustable Frequency Drives consist of two inverter models rated for 1/8 to 1 horsepower motors. These drives are housed in NEMA 1 / IP 50 aluminum enclosures. The KBMA-24DF contains a built-in CE approved AC Line Class A Industrial Standard RFI (EMI) Filter. Hybrid drives are a digital drive with an analog interface.
Option: Forward-Stop-Reverse Switch.
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KBMA AC Drive Sales Sheet
1. KBMA
Hybrid Drive
A Digital AC Drive with Analog Interface
Rugged Aluminum NEMA 1 / IP 50 Enclosure
Primary Features
Horsepower 1/8 to 1 HP, Jumper Selectable
1 Input 115/230 VAC, 50/60 Hz
3 Output 230 VAC
200% Starting Torque
Front Panel Power On/Off Switch
Class A (CE) RFI Filter*
Benefits
Saves Time
Easy to Install and Simple to Operate
Does not require programming or commissioning
Up and running in less than 10 minutes.
Motors Last Longer
Proprietary CL Software
Provides overload protection, prevents motor burnout
and eliminates nuisance tripping.
UL approved as electronic overload protector for motors.
Energy Saving
Uses only the power the application requires
Replacing constant speed with variable speed will
significantly reduce energy costs.
Economical to Use
Eliminates secondary enclosure
No holes to drill, no switches to install.
No need to derate drive for high starting torque applications.
Combines Soft Start with Variable Speed
Adjustable Soft Start.
Customization for OEMs
When an off the shelf drive does not meet your needs, we will work with you
to provide a custom drive solution, Ready to Use, Out-of-the-Box.
Customization includes: Pre-calibrating or programming of a stock control, adding a custom label or branding,
custom software, PLC functions or designing a new control.
GFCI software, with factory programming, allows the equipment to operate with Ground Fault Circuit Interruption
circuit breakers or outlets.
*KBMA-24DF.
Designed and
Assembled in USA
2. D-812
2
Additional Features
Sensorless Flux Vector Control
Flux Vector Compensation with Static Auto-Tune provides excellent speed regulation
with high torque loads throughout the entire speed range. Auto energy saving at light
loads. Smooth motor torque.
Electronic Inrush Current Limit (EICL) Protection
Eliminates harmful inrush AC line current during power up.
Run/Fault Relay
Can be used to turn equipment on or off, to signal a warning if the drive is put into
Stop mode, or to signal if a fault has occurred.
On/Off AC Line Switch
Disconnects the AC line.
Ride-Through
Provides smooth recovery to the previous set speed during a momentary power loss.
Holding Torque at Zero Speed
Resists motor shaft rotation when the drive is in Stop mode.
Regeneration Protection
Eliminates tripping due to high bus voltage caused by rapid deceleration of high
inertial loads.
Applications
Actuators Air Cleaners Amusement Rides
Undervoltage and Overvoltage Protection Ball Pitching Machines Blowers Boat Lifts
Shuts down the drive if the AC line input voltage goes above or below
the operating range. Bowling Alley Lane Cleaners CNC Conveyors
Door and Gate Openers Drilling Duct Cleaners
Short Circuit Protection Dumbwaiters Elevators and Hoists
Shuts down the drive if a short circuit occurs at the motor (phase-to-phase).
Exercise Equipment Fabric Processing Fans
Basic, Programmable, Trimpot Adjustments Feeders Film Processing Floor Cleaning
Min. Speed, Max. Speed, Accel, Decel, Current Limit, Slip Comp.
Food Processing Garment Cutting
Grinding and Polishing Hoppers Horse Walkers
Drive Options HVAC Indexers Irrigation Laminating
Forward-Stop-Reverse Switch Lift Station Pumps Machine Tools
Provides motor reversing and stop functions. Medical Milling Mixers Oven Conveyors
Packaging Paint Blenders, Shakers, and Sprayers
Paper Handling Portable Equipment Used with GFCIs
Pottery Wheels Printing
Pumps Range Hoods Sandblasting Saws
Sewing Stretch Wrap Textile Treadmills
Therapeutic Vibrators Washing Machines
Wave Soldering Web Processing Wheelchair Lifts
Whole House Vacuums and Attic Fans
Wire Feeders Wood and Metal Lathes and Cutters
Winders and Unwinders
Visit kbelectronics.com
to learn about Build-A-Drive , KBs New AC Inverter Program.
3. D-812
3
Ratings
115/230 VAC 1-Phase Input 230 VAC 3-Phase Output
Ratings Net Weight
Model No. Part No. HP, (kW) Amps Lbs. kg
KBMA-24D 9533 1, (0.75) 3.6 2.42 1.09
KBMA-24DF* 9534 1, (0.75) 3.6 2.48 1.12
*F Suffix for Built-In Class A (CE) RFI (EMI) AC Line Filter.
Specifications
Maximum Load (% of Current Overload for 2 Minutes) 150
Carrier, Switching Frequency (kHz) 16, 8
Output Frequency Resolution (Hz) 0.06
Minimum Output Frequency to Motor (Hz) 0.3
Acceleration Time (Seconds) 0.3 20
Deceleration Time (Seconds) 0.3 20
Speed Range (Ratio) 60:1
Speed Regulation (30:1 Speed Range, 0 Full Load) (% Base Speed) 2.5
Stalled Motor Trip Time (Seconds) 6
Braking DC Injection*
Operating Temperature Range (尊C / 尊F) 0 40 / 32 104
Storage Temperature (尊C / 尊F) -25 +85 / -13 +185
*Requires factory programming.
Dimensions (Inches/mm)
4.95
126
4.15
105
3.20
81.3
7.00
178
AC MOTOR SPEED CONTROL
Hybrid Drive
KBMA SERIES NEMA 1 / IP 50
5.10
130
4. D-812
General Connection Diagram
ST
ON
OL
CON2
F
CON1 S
R
J1
A B
P3
J1-A J1-B
Main Speed Potentiometer P2
115VAC P1
MAN
J3: Automatic or Manual Start and Reset Operation
AUTO CL
1X
J4: Rated Motor RPM Operation MULT
2X MAX
1HP
3/4 MIN
J2: Motor Horsepower Selection 1/2
1/4
1/8 ACCEL
60HZ
L1B L1A L2A L2B J5: Base Motor Freq. FREQ
50HZ DECEL
RUN
J6: Output Relay Operation
FLT COMP
TB1
TB2
U V W GND L1 L2 NC COM NO
MO TOR AC LINE
Run/Fault
Relay
Motor Ground
(Earth)
AC Line Input
Represented by:
KB ELECTRONICS, INC.
(954) 346-4900 Fax (954) 346-3377
Outside Florida Call Toll Free (800) 221-6570
info@kbelectronics.com www.kbelectronics.com
A42154 Rev. G 12/2012