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
1Ø Input 115/230 VAC, 50/60 Hz
3Ø 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 OEM’s
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.
*KB MA-24DF.
Designed and
Assembled in USA
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.
Undervoltage and Overvoltage Protection
Shuts down the drive if the AC line input voltage goes above or below
the operating range.
Short Circuit Protection
Shuts down the drive if a short circuit occurs at the motor (phase-to-phase).
Trimpot Adjustments
Min. Speed, Max. Speed, Accel, Decel, Current Limit, Slip Comp.
Jumper Selections
AC Line Input Voltage, Horsepower, Auto/Manual Start, 50Hz/60Hz Motor Frequency,
1X/2X Motor RPM, Run/Fault Output Relay.
Drive Options
Forward-Stop-Reverse Switch
Provides motor reversing and stop functions.
D- 812
Applications
• Actuators • Air Cleaners • Amusement Rides
• Ball Pitching Machines • Blowers • Boat Lifts
• Bowling Alley Lane Cleaners • CNC • Conveyors
• Door and Gate Openers • Drilling • Duct Cleaners
• Dumbwaiters • Elevators and Hoists
• Exercise Equipment • Fabric Processing • Fans
• Feeders • Film Processing • Floor Cleaning
• Food Processing • Garment Cutting
• Grinding and Polishing • Hoppers • Horse Walkers
• HVAC • Indexers • Irrigation • Laminating
• Lift Station Pumps • Machine Tools
• 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™ , KB’s New AC Inverter Program.
3
D- 812
Ratings
115/230 VAC 1-Phase Input • 230 VAC 3-Phase Output
Ratings Net Weight
Model No. Part No.
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.
HP, (kW) Amps Lbs. kg
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 (ºC / ºF) 0 – 40 / 32 – 104
Storage Temperature (ºC / ºF) -25 – +85 / -13 – +185
Dimensions – (Inches/mm)
4.95
126
AC MOTOR SPEED CONTROL
Hybrid Drive
KBMA SERIES • NEMA 1 / IP 50
™
*Requires factory programming.
7.00
178
5.10
130
3.20
81.3
4.15
105
General Connection Diagram
CON1
J1
B
A
J1-A
J1-B
115VAC
J3: Automatic or Manual Start and Reset Operation
J4: Rated Motor RPM Operation
J2: Motor Horsepower Selection
L1B L1A L2A L2B
J5: Base Motor Freq.
J6: Output Relay Operation
Main Speed Potentiometer
MAN
AUTO
1X
MULT
2X
1HP
3/4
1/2
1/4
1/8
60HZ
FREQ
50HZ
RUN
FLT
P3
P2
P1
MAX
MIN
ACCEL
DECEL
COMP
D- 812
ST
ON
OL
CON2
F
S
R
CL
TB1
U
KB ELECTRONICS, INC.
(954) 346-4900 • Fax (954) 346-3377
Outside Florida Call Toll Free (800) 221-6570
info@kbelectronics.com • www.kbelectronics.com
V W GND L1 L2
MO TOR
Motor
Ground
AC LINE
(Earth)
AC Line Input
Represented by:
TB2
NC COM NO
Run/Fault
Relay
A42154 – Rev. H – 7/2013
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