| KB Variable Speed DC Drives (SCR, PWM, Regen) |
| DC MOTOR SPEED CONTROLS |
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KBIC |
| The KBIC® controls PM, Shunt and AC/DC motors over a range of 1/100-3 HP with only a few models. All models can be used on a wide range of motor horsepower by inserting KB's exclusive Plug-In Horse power Resistor®. Speed range is 50:1 with load regulation of 1%. Features include Auto Inhibit®, Voltage following, MOV transient protection, 5k ohm speed potentiometer and trimpot adjustments for MIN, MAX, ACCEL, IR and CL. Options include Auxiliary Heat Signal Isolator. Dimensions (L × W × H approx.): 3.6" × 4.3" × 1.3". Patented. Note: Output rating of model KBIC-240DS is 90 VDC Only.More Information |
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KBMM |
| The KBMM™ full-wave DC motor control is the ultimate in reliability and performance. Contains Direct-Fed current limit that helps protect the SCR power bridge against direct shorts and prevents demagnetization of PM motors. 25A SCR's and AC line and armature fusing further enhance reliability. KB's exclusive Plug-in Horse power Resistor® eliminates the need for recalibration when used over a wide range of motor horse power. Standard features include trimpots for MIN, MAX, IR, CL and Linear ACCEL and DECEL, armature or tach feedback. Auto Inhibit, MOV transient protection, 5k ohm potentiometer and Noise Rejection Circuitry. Options: Auxiliary Heat sink, Barrier Terminal Options, and SI-6 Signal Isolator. Dimensions (L × W × H approx.): 3.6" × 4.3" × 1.3". Patented.More Information |
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KBCC |
| The KBCC™ chassis controls utilize the KBMM™ speed control to provide a low- cost, reliable SCR drive. They include all the features of the KBMM™ plus the Auxiliary Heat Sink and Barrier Terminal Block with AC line and armature fuses. The controls are ruggedly constructed and contain a 5k ohm speed potentiometer. Dimensions (L × W × H approx.): 7.0" × 6.3" × 3.0". Patented.More Information |
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KBCC "R" |
| The KBCC™ “R” –suffix chassis control is designed to provide anti-plug “instant” reversing, solid state dynamic braking and rapid cycling. It com-bines 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 current levels are near zero. Specific functions that can be performed by the KBCC™-R are Run-Brake, Forward-Brake-Reverse, Run-Stop and Forward-Reverse (instant reverse). Dimensions (L × W × H approx.): 9.0" × 6.3" × 4.5". Patented.More Information |
| DC MOTOR SPEED CONTROLS(CONTINUED) |
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KBPB |
| The KBPB™ is a compact version of the KBCC™ “R”-suffix control. The APRM® is mounted directly to the rear of the KBMM™ speed control. A built-in Barrier Terminal Block and its small size make the control ideal for installation where space is at a premium. The KBPB™ is equipped with a built-in dynamic brake resistor, Accel/Decel trimpots and provision for AC line and armature fusing. This control provides functions identical to that of the KBCC™-R. A 5k ohm speed potentiometer is included. Dimensions (L × W × H approx.): 4.3" × 4.4" × 4.9". Patented.-Reverse, Run-Stop and Forward-Reverse (instant reverse). Dimensions (L × W × H approx.): 9.0" × 6.3" × 4.5". Patented.More Information |
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KBCC-255 |
| The KBCC-255 is designed for 5 HP DC Shunt and PM motors. It is built on a rugged aluminum chassis and uses the KBMM™ speed control, which contains Direct-Fed™ CL circuitry, for excellent performance and reliability. The unit contains a 42 Amp power bridge and armature and control fusing, which enhance reliability. An exclusive feature, found only in KB drives, is Auto Inhibit®, which provides a smooth, safe start during rapid switching of the AC line. Standard features include: armature or tach feed back, and trimpots for MIN, MAX, IR Comp, CL and Linear ACCEL and DECEL. A 5k ohm speed potentiometer is included. Dimensions (L × W × H approx.): 10.0" × 6.3" × 4.0". Patented.More Information |
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KBMG 4 Quadrant 4 |
| The KBMG is an ultracompact, full-wave regenerative drive 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. With a jumper selection, the motor can be controlled to rapidly “regenerate-to-stop” or to “coast-to-stop.” KB’s exclusive Auto Inhibit® circuit provides safe, smooth starting even during rapid cycling of the AC line. The overspeed protect Circuit prevents failure of the power bridge in extremeoverhauling conditions Reliability of the KBMG is further enhanced with the use of a high speed current limit circuit and MOV transient protection. LED’s , which can be used for diagnostics, are provided for power on (“PWR ON”) and motor overload (“OL”). A rugged extruded aluminum heatsink ensures enhanced heat transfer, which provides a higher control rating while maintaining cooler running SCR’s. Power connections to the KBMG are made via quick connect terminals and signal input connections are made via a removable barrier terminal block. The finger-safe cover provides protection against accidental contact with electrical components. Dimensions (L × W × H approx.): 4.3" × 3.6" × 1.8". Patented.More Information |
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KBRG 4 Quadrant 4 |
The KBRG™ is a full-wave regenerative drive capable of operating DC PM or Shunt motors in a bidirectional mode. Its 4-quadrant operation which allows forward and reverse torque in both speed directions. The KBRG™ contains many standard features, such as: armature and tach feedback, built-in horsepower selection, trimpots for FWD CL, REV CL, IR COMP, RESP, MAX SPD, OFFSET, DEADBAND, FWD ACCEL, REV ACCEL and Timed Current Limit. LED indicators for: Power on, Current Limit, FWD Enable and RE Enable. A 5k ohm speed potentiometer is included. Dimensions (L × W × H approx.): Model KBRG-240d: 7.7" × 10.0" × 2.5", Model KBRG-225: 7.7" × 10.0" × 3.4".
The KBRG-255 is designed specifically for 5 HP shunt wound and PM DC motors. It is similar to the KBRG-225D (3 HP); however, the SCR ratings and heat sink size have been enhanced. All of the features of the KBRG-225D have been retained in the KBRG-225 except that the current jumper selection and built-in armature fusing have been eliminated. A new power PC board incorporates 35 Amp SCR’s and a rugged 45 Amp barrier terminal block. Dimensions (L × W × H approx.): 12.0" × 7.7" × 3.4".More Information |
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KBWD-13, 16 PWM |
| The KBWD-13, 16 models provide a low cost alternative for pulse-width modulated (PWM) control applications. Their compact size allows for direct replacement of other types. Standard features include instantaneous short circuit protection, under voltage protection and KB’s Plug-in Horsepower Resistor®, which eliminates the need to calibrate IR Comp and Cl. A 5k ohm potentiometer, isolated analog signal (0-5VDC) or PWM microprocessor output can be used as an input signal. Dimensions (L × W × H approx.): 3.6" × 4.3" × 2.5".More Information |
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KBWS PWM |
| The KBWS Pulse-Width Modulated (PWM) controls are designed to operate PWM and SCR rated Permanent Magnet motors ranging from 1/50 HP to 1½ HP. They operate at a switching frequency greater than 16 kHz to provide high motor efficiency and quiet operation. Permanent magnet motor demagnetization is completely eliminated because current peaks are reduced to safe levels. The controls contain an AC line inrush current limiter (ICL) which reduced the Ac line surge current during startup. The KBWS contains built-in isolation for all inputs. This includes signal voltage, Main Speed Potentiometer, Inhibit Circuit and +5VDC Power Supply. The dual voltage models contain a jumper to select motor voltage and special circuitry which automatically accepts AC line input voltages of 115 or 208/230 Volts AC without having to make a jumper selection. Dimensions (L × W × H approx.): 4.3" × 3.6" × 3.2". Note: Horsepower ratings are given for PWM rated motors.More Information |
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KBWT PWM |
| The KBWT series Pulse-Width Modulated (PWM) controls, rated through 12 amps DC, are 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 this control is its active bridge circuitry, which limits inrush current during AC line startup and prevents control runaway due to a shorted output transistor. The KBWT also contains (I × t) motor overload protection and instantaneous short circuit protection. Dimensions (L × W × H approx.): Model KBWT-16, 26: 5.0" × 7.0" × 2.0", model KBWT-110, 112, 210: 6.8" × 7.0" ×3.3".More Information |
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KBMD |
| The Model KBMD-240D, also called Multi-Drive™, is a packaged SCR drive in a NEMA-1 enclosure. It utilizes the KBMM™ speed control for its electronics. The Multi-Drive™ is rugged and compact in size. It handles both 115 and 208/230 Volts AC line inputs by setting the built-in Dual Voltage Switch. In addition, the single model can be used on a wide range of motor horsepower by inserting the appropriate Plug-In Horsepower Resistor®. The Auxiliary Heat sink (optional) increases the rating of the basic unit to 1 HP at 90 VDC and 2 HP at 180 VDC. An optional Forward-Brake-Reverse Switch Kit is also available. Dimensions (L × W × H approx.): 5.1" × 5.4" × 7.1".More Information |
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KBWM |
| The KBWM control is a compact version of the Multi Drive™ (KBMD). The control is packaged in an all-metal NEMA-1 enclosure. This unidirectional SCR drive utilizes the KBMM speed control module, which prevents motor failure due to demagnetization, and contains AC line and armature fusing and a barrier terminal connection block. The KB Plug-In Horsepower Resistor® automatically calibrates IR Comp and CL. Dimensions (L × W × H approx.): 5.3" × 3.7" × 2.9".More Information |
| BATTERY POWERED DC-DC MOTOR CONTROLS |
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KBBC |
| The KBBC series of battery powered variable speed controls are designed for 12, 24, 36, and 48 Volt PM and Series Wound DC motors. 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. The KBBC contains many standard features such as current limit, short circuit protection, speed potentiometer fault detector, overtemperature sensing, reverse polarity protection and undervoltage/overvoltage protection. The KBBC potentiometer and 0 – 5 Volts DC signal following. The controls contain a built-in heat sink that also serves as a mounting base. Dimensions (L × W × H approx.): 4.1" × 6.3" × 1.7".More Information |
| SPEED CONTROL RELATED PRODUCTS |
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KBEP-240D |
| The KBEP-240D is designed to provide digital type control for motor speed control. It replaces a standard potentiometer with a set of momentary pushbuttons or membrane switches (customer-supplied) – one to increase speed (“up”) and the other to decrease speed (“down”). The unit contains a separate meter output that can be used to operate a digital or analog meter. The MIN and MAX trimpots are used to set the range of motor output speed. The KBEP can be used as a master potentiometer in applications where multiple potentiometer stations are required. Dimensions (L × W × H approx.): 2.7" × 4.8" × 1.1".More Information |
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KBSI-240D |
| The Model KBSI-240D Signal Isolator provides an isolated interface between non-isolated signals and KB motor speed controls. The maximum output voltage of the KBSI is 10 Volts DC, which is a linear function of the input. The unit is versatile, since a single model accepts a wide range of voltage (0-25, 0-120 and 0-550 Volts DC) and current (1-5, 4-20 and 10-50mA) signals, multi-turn trimpots are provided for MIN and Max. The KBSI can be operated from either 115V or 208/230 Volts AC, 50/60Hz. Dimensions (L × W × H approx.): 2.7" × 4.8" × 1.1".More Information |
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KBAP-240D |
| The KBAP-240D is an electronic Dc Current Sensing Relay and Overload Protector for use with motors from 1/8-3 HP. It can accommodate larger motors with the use of an external shunt. The KBAP contains five preset current trip points which can be further adjusted with a trimpot. The unit also contains adjustments for time delay and hysteresis. An LED indicates when the preset current trip point has been reached. External contacts are provided which can be used to sound an alarm or shut the system down if an overload occurs. Dimensions (L × W × H approx.): 2.7" × 4.8" × 1.1".More Information |
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KBET-240D |
| The KBET-240D is designed to accept a pulse input (produced by a Hall or Inductive sensor) and create two independent isolated output signals. The Tachometer Output is normally used for tach feedback. The Follower Output is used to drive a second control in a master / follower system. Two LED indicators are incorporated into the KBET circuitry. The “Power On” LED is used to indicate that the unit has AC power, and the “Pulse” LED is used to indicate the presence of an encoder signal. Jumper selections allow for setting the AC line input voltage (115 or 208/230 Volts AC) and the sensor type (Hall, Inductive). Multiturn trimpots are provided to tailor the Tachometer and Follower Outputs for specific applications. Dimensions (L × W × H approx.): 2.7" × 4.8" × 1.1".More Information |
| SPEED CONTROL ACCESSORIES (CONTINUED) |
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BARRIER TERMINAL BOARD |
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The KBIC® Barrier Terminal Boards easily convert a standard control with quick-connect terminals to barrier terminals with AC line and armature fuse holders. (Fuses supplied separately.) The Barrier Terminal Board installs directly over the control by mating the Q-D terminals. A separate .110” jumper wire can be used to connect to the I1 Inhibit terminal.
The KBMM™ Barrier Terminal Board converts a standard KBMM™ with quick-connect terminals to barrier terminals. Provision is made for AC line and armature fusing (Fuses supplied separately.) The Barrier Terminal Board installs directly onto the control by mating the Q-D terminals. A separate .110” jumper wire can be used to connect to the I1 Inhibit terminal or, on the KBMM™, to the T or B terminals which are used for tach feedback. (Refer to KBMM™ Instruction Manual.).More Information |
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SI-5, SI-6 |
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The SI-5 Signal Isolators convert a standard KBIC control to an isolated input. By using external resistors, the input signal can be changed to 0 – 100VDC, 0 – 200 VDC and 4-20mA. The output voltage is 0 – 10VDC which can be rescaled with the built-in MIN and MAX trimpots. Selectable AC line jumpers allow the SI-5 to be used either with 115 or 208/230 Volts AC controls. Installation is made by simply mating the unit to the speed control with the built-in quick-connect terminals.
The SI-6 Signal Isolator converts a standard KBMM control to an isolated input. By using external resistors, the input signal can be changed to 0 – 100VDC, 0 -200VDC and 4 – 20mA. The output voltage is 0 – 10VDC which can be rescaled with the built-in MIN and MAX trimpots. Selectable AC line jumpers allow SI-6 to be used either with 115 or 208/230 Volt AC controls. Installation is made by simply mating the unit to the speed control with the built-in quick-connect terminals.More Information |
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POTENTIOMETER KIT 5 |
5k ohm linear potentiometer.
Rated 5 watts with excellent linearity and zero end resistance.More Information |
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KNOB AND DIAL |
Dial plates are .040” aluminium with 3/8” mounting hole.
Dimensions ( L × W apptox): large dial plate: 2.25” × 2.06”More Information |
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RADIO FREQUENCY INTERFERENCE (RFI) FILTER |
KBRF-200A:
Model KBRF-200A is a Class A, panel mounted, RFI filter used to suppress electronic interference caused by AC & DC motor drives. Designed to meet CE Council Directive 89/336/EEC relating to EMC. UL, CSA.
KBRF-250:
The KBRF-250 is an RFI filter used to suppress electronic interference caused by motor speed controls. The KBRF-250 is primarily designed as an integral mounting base for speed controls with industry standard mounting requirements such as the KBVF Series Inverter, PWM DC Speed Controls, and SCR Speed Controls. Installation is easily accomplished with quick-connect terminals. It is housed in a plated steel case which is to be grounded with the external ground screw or mounting tab. Rated 10 Amps at 230 Volts Ac. CE approved meets (Class A) industrial.More Information |
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F-B-R SWITCH |
| The Forward-Brake-Reverse Switch Kit is a completely wired assembly that consists of a heavy-duty reversing switch and a 10 ohm-50W braking resistor. The switch contains an additional set of contacts used for Inhibit™ and dynamic brake.More Information |
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AUXILIARY HEAT SINK |
| The Auxiliary Heatsink is used to increase the rating of several KB control models. It is constructed of black anodized aluminum and has keyhole slots to facilitate mounting. When used with the KBIC® and KBMM™ models, the Auxiliary Heatsink has provision for mounting the Barrier Terminal Accessory Kit. Dimensions: 7.00” x 6.25” x 1.38”.More Information |