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Variable Speed DC Drives

DC Drive Selection Guide

 

KB standard off-the-shelf DC Drives provide variable speed for DC motors from sub-fractional to 5 horsepower.* They are available in 115 and 208/230 VAC-50/60 Hz with 1Ø input. Enclosure types include Chassis / IP 20, NEMA 1 / IP 50 and NEMA 4X / IP 65. The NEMA 4X / IP 65 drives are housed in a rugged die-cast aluminum enclosure with a hinged cover.

A variety of optional accessories are also available to meet the most demanding applications.

* For OEM applications, custom drives are available.

KBIC DC Drives - DC Motor Speed Controls

KBIC- SCR Drive- Chassis

The KBIC Series of DC Drives are rated for 1/100 to 3 horsepower motors.* All models can be used on a wide range of motor horsepower by inserting a Plug-In Horsepower Resistor®**, which is required to operate the drive. Speed range is 50:1 with load regulation of 1% of base speed. A 5k ohm potentiometer is included. More Information: Datasheet, Manual

Options: Auxiliary Heat Sink (P/N 9861), Barrier Terminal Kit (P/N 9863) Barrier Terminal Board (P/N 9884), SI-5 Signal Isolator (P/N 9443), Combination Fuse kit (P/N 9849). AC line and Armature fuse supplied separately.

*An Auxiliary Heat Sink is required when operating motors above ½ HP at 90VDC and 1 HP at 180VDC.

**Plug-In Horsepower Resistor®, AC line fuse and Armature fuse supplied separately

KBMM DC Drives - DC Motor Speed Controls

KBMM SCR Drive - Chassis

The KBMM Series of DC Drives are rated for 1/100 to 3 horsepower motors.* This chassis full-wave DC motor control is the ultimate in reliability and performance. The drive contains Direct-Fed™ CL that helps protect the SCR power bridge against shorts due to commutator arcing and prevents motor demagnetization. 25 Amp SCRs and AC line and armature fusing further enhance reliability. A Plug-in Horsepower Resistor®** is required to operate the drive and eliminates the need for recalibration when used over a wide range of motor horsepower. A 5k ohm potentiometer is included. More Information: Datasheet, Manual.

Options: Auxiliary Heat Sink (P/N 9861) Barrier Terminal Kit (P/N 9883), Barrier Terminal Board (P/N 9897), Finger Safe Cover (P/N 9564), and
SI-6 Signal Isolator (P/N 9444).

*An Auxiliary Heat Sink is required when operating motors above ¾ HP at 90VDC and 1½ HP at 180VDC.
**Plug-In Horsepower Resistor®, AC line fuse and Armature fuse supplied separately.

KBCC-R Series DC Motor Speed Control - chassis SCR control

KBCC SCR Drive - Chassis

The KBCC Series of DC Drives are rated for 1/100 to 3 horsepower motors. These chassis drives utilize the KBMM speed control to provide a low-cost, reliable SCR drive. Features include an Auxiliary Heat Sink, Barrier Terminal Block, AC line fuse, and an Armature fuse holder. This drive requires a Plug-in Horsepower Resistor®* to operate. A 5k ohm potentiometer is included. More Information: Datasheet, Manual.

*Plug-In Horsepower Resistor® and Armature fuse supplied separately.

KBCC SCR speed control

KBCC-255 SCR Drive - Chassis

The KBCC-255 is designed for 5 horsepower DC Shunt and PM motors. It is built on a rugged aluminum chassis and utilizes the KBMM™ speed control. The drive contains Direct-Fed™ CL that protects the SCR power bridge against shorts due to commutator arcing and prevents motor demagnetization. The unit contains a 42 Amp power bridge and both armature and control fusing, which enhance reliability. A 5k ohm potentiometer is included. More Information: Datasheet, Manual.

KBCC-R Series DC Motor Speed Control - chassis SCR control

KBCC “R” SCR Drive “Relay Reversing” - Chassis

The KBCC “R” chassis control consists of two models rated for 1/100 to 3 horsepower. It is designed to provide anti-plug “instant” reversing, solid state dynamic braking and rapid cycling. They combine all of the features of the KBCC™ control with the features of the KB APRM®. The APRM® eliminates contact arcing by allowing armature switching to take place only when voltage levels are near zero. A 5k ohm potentiometer is included. More Information: Datasheet, Manual.

KBCC SCR speed control

KBCC-240D SCR Drive - Chassis

The KBCC-240D DC drive is rated for 1/100 to 2 horsepower motors. The exclusive Short Circuit and Timed Current Limit (TCL) circuitry prevents motor burnout and demagnetization of PM motors. Included is jumper selectable motor current that eliminates unnecessary calibration of the IR and CL trimpots. A 5k ohm potentiometer is included. More Information: Datasheet.

KBPB Series of SCR DC Drives

KBPB SCR Drive “Relay Reversing” - Chassis

The KBPB Series of DC Drives consist of two models rated for 1/100 to 3 horsepower motors*. These chassis drives are a compact version of the KBCC “R”control. The APRM® eliminates contact arcing by allowing armature switching to take place only when voltage levels are near zero. Built-in terminal blocks and its small size make the control ideal for installation where space is at a premium. A 5k ohm potentiometer is included. This drive requires a Plug-in Horsepower Resistor® to operate and includes an AC line fuse and an Armature fuse holder.** More Information: Datasheet, Manual.

Option: Auxiliary Heat Sink (P/N 9861).

*An Auxiliary Heat Sink is required when operating motors above ¾ HP at 90VDC and 1½ HP at 180VDC.
**Plug-In Horsepower Resistor®, AC line fuse and Armature fuse supplied separately.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBMG SCR Drive “Regen Reversing” - Chassis

The KBMG Series of DC Drives are rated for 1/100 to 2 horsepower motors.* This chassis ultra-compact, full-wave regenerative drive is capable of operating DC PM or Shunt motors in a bidirectional mode. Its 4-quadrant operation provides forward and reverse torque in both speed directions. A 5k ohm potentiometer is included. More Information: Datasheet, Manual.

Options: Auxiliary Heat Sink (P/N 9861), Bipolar Signal Isolator
(P/N 8832), Multi-Speed Board (P/N 8833).

*An Auxiliary Heat Sink is required when operating motors above ¾ HP at 90VDC and 1½ HP at 180VDC.

KBRG Series of four-quadrant regenerative DC Drives

KBRG SCR Drive “Regen Reversing” - Chassis

The KBRG Series of DC Drives are rated for 1/8 to 5 horsepower DC, Permanent Magnet and Shunt motors. These are full-wave regenerative controls, which allows forward and reverse torque in both speed directions. A 5k ohm potentiometer is included More Information: Datasheet, Datasheet (255), Manual.

Option: KBRG SI-4X Bipolar Signal Isolator*(P/N 8801).

*All models except the KBRG-212D.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBWD PWM Drive - Chassis

The KBWD Series of DC Drives provide a low cost solution for pulse-width-modulated (PWM) control applications. Their compact size allows for direct replacement of SCR drives. Features include instantaneous short circuit and under voltage protection. A 5k ohm potentiometer is included. This drive requires a Plug-in Horsepower Resistor®*, which eliminates the need for IR Comp and CL calibration. More Information: Datasheet, Manual.

Option: Combination Fuse kit (P/N 9849). (AC line and Armature fuse supplied separately).

*Plug-In Horsepower Resistor® supplied separately.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBWS PWM Drive - Chassis

The KBWS PWM Series of DC Drives contain a fully isolated input and are designed to operate PWM and SCR rated Permanent Magnet motors. They provide high motor efficiency with quiet motor operation. The KBWS uses pulse-by-pulse current sensing to protect the SCR power bridge against shorts due to commutator arcing and prevents motor demagnetization. The controls contain an AC line inrush current limiter (ICL) which reduces AC line surge currents during startup. This drive requires a Plug-in Horsepower Resistor®* to operate. A 5k ohm potentiometer is included. More Information: Datasheet, Manual.

Option: Combination Fuse kit (P/N 9849). (AC line and Armature fuse supplied separately).

*Plug-In Horsepower Resistor® supplied separately.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBWT PWM Drive - Chassis

The KBWT series Pulse-Width Modulated (PWM) DC Drives are rated for 1/2 to 2.2 horsepower motors. This chassis drive series is designed for high current applications. Several models are offered, which provide the user a choice of input voltage and output current. An important feature of these chassis drives is its active bridge circuitry, which limits inrush current during AC line startup and prevents control runaway due to a shorted output transistor. A 5k ohm potentiometer is included. An optional Potentiometer Safety Circuit requires the pot to be at zero for start up. More Information: Datasheet, Manual.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBWM SCR Drive - NEMA 1

The KBWM Series of DC Drives are rated for 1/100 to 3/4 horsepower motors and are housed in a NEMA 1 enclosure. These drives are the compact version of the Multi Drive™ (KBMD). This unidirectional SCR drive utilizes the KBMM speed control module, which prevents motor failure due to demagnetization. It requires a Plug-in Horsepower Resistor® to operate and includes an AC line fuse and an Armature fuse holder.* More Information: Datasheet, Manual.

*Plug-In Horsepower Resistor® and Armature fuse supplied separately.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBMD SCR Drive - NEMA 1

The Model KBMD-240D, also called Multi-Drive™, is rated for 1/100 to 2 horsepower motors* and is an SCR drive housed in a NEMA 1 enclosure. It utilizes the KBMM speed control for its electronics. It handles both 115 and 208/230 Volt AC line inputs by setting the built-in Dual Voltage Switch. The single model can be used on a wide range of motor horsepower by inserting the appropriate Plug-In Horsepower Resistor®, which is required to operate this drive. It includes an AC line fuse and an Armature fuse holder.** More Information: Datasheet, Manual.

Options: Auxiliary Heat Sink (P/N 9861), Forward-Brake-Reverse Switch Kit (P/N 9860).

*An Auxiliary Heat Sink is required when operating motors above ¾ HP at 90VDC and 1½ HP at 180VDC.
**Plug-In Horsepower Resistor®, AC line fuse and Armature fuse supplied separately.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBPC SCR Drive - NEMA 4X / IP 65

The KBPC Series of DC Drives are rated for 1/100 to 3 horsepower motors. These drives are housed in NEMA 4X / IP 65 die-cast aluminum washdown/watertight enclosures for indoor or outdoor use. The exclusive Short Circuit and Timed Current Limit (TCL) circuitry prevents motor burnout and demagnetization of PM motors. Features, such as a selectable motor current, eliminates unnecessary calibration the of IR and CL trimpots. More Information: Datasheet, Manual.

Options: Signal Isolator (P/N 9431), ON/OFF AC Line Switch (P/N 9341), Run-Stop-Jog Switch (P/N 9340), Auto/Manual Switch (P/N 9377), Forward-Brake-Reverse Switch (P/N 9339), Anti-Plug Reversing Module (P/N 9379).

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBPW PWM Drive - NEMA 4X / IP 65

The KBPW-240D DC Drive is a Pulse-Width Modulated (PWM) control housed in a NEMA 4X / IP 65 washdown/watertight enclosure for indoor or outdoor use. It is designed to operate Permanent Magnet and Shunt Wound motors from 1/100 to 2 horsepower. PWM provides high motor efficiency, whisper quiet operation along with less motor heating. This allows for a smaller, less costly motor to be used in most applications. More Information: Datasheet, Manual.

Options: Signal Isolator (P/N 9431), ON/OFF AC Line Switch (P/N 9341), Run-Stop-Jog Switch (P/N 9340), Forward-Brake-Reverse Switch
(P/N 9339), Anti-Plug Reversing Module (P/N 9379).

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBRC SCR Drive “Regen Reversing” - NEMA4X/IP65

The KBRC-240D DC Drive is a Full-Wave Regenerative Drive housed in a NEMA 4X / IP 65 washdown/watertight enclosure for indoor or outdoor use. It is designed to operate Permanent Magnet and Shunt Wound DC motors from 1/100 to 2 horsepower, in a bidirectional mode. It has
4-quadrant operation, which provides forward and reverse torque in both speed directions. An important feature, Timed Current Limit (TCL), provides motor burnout protection. The KBRC-240D can be operated from a two or three wire start/stop circuit or can be started from the AC line. More Information: Datasheet, Manual.

Options: SIRC Bipolar Signal Isolator (P/N 8842), KBRC Forward-Stop-Reverse Switch (P/N 9485), On/Off AC Line Switch (P/N 9486), KBRC Auto/Manual Switch (P/N 9487).

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBBC DC/DC Drive - Chassis

The KBBC series of battery powered variable speed controls are designed for PM and Series Wound DC motors from 1/100 to 4* horsepower. The chassis and Microcontroller design provides superior performance and ease of tailoring to specific applications. Operating in a regenerative mode, precise and efficient control is obtained using state-of-the-art MOSFET technology. More Information: Datasheet, Manual.

*Peak Duty Operation (7 seconds): 4 HP (3 kW), 80 Amps DC.

KBMG Series of four-quadrant regenerative DC Drives consists of 2 models range from 1/50 thru 2.0 horsepower

KBSL DC/DC Drive - Chassis

The KBSL-200 is a battery powered control specifically designed for OEM lift applications. The Pulse Width Modulated (PWM) DC Drive provides forward and reverse operation for 3/4 to 1* horsepower Permanent Magnet and Series Wound DC motors. The drive provides continuous duty operation to 22 Amps and peak duty operation (for 7 seconds) to 33 Amps with a 24 Volt DC input. The 16 kHz PWM allows for high motor efficiency and quiet operation. More Information: Datasheet.

Options: Ten built-in programmable functions and user defined logic inputs for applications requiring PLC, limit switches, latching circuits, key switch, emergency stop, sensors, actuators, etc. Infrared remote control provides operation of the drive from up to 50 feet (15.25 m).

*Peak Duty Operation (7 seconds): 4 HP (3 kW), 80 Amps DC.

 

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