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KB Electronics KBMM-225D
DC, 100/200vdc, 8/12A, with Pot 1.1kw
$290.00
 
General Information

- The KB Electronics KBMM™ full-wave variable speed DC motor controls, now with SMT construction, offer the user the ultimate in reliability and performance at an affordable price

-The controls contain a unique, super fast, Direct-Fed™ current limit circuit that helps to protect the SCR power bridge against direct shorts 2

- The KBMM™ is fitted with KB’s exclusive Plug-in Horsepower Resistor®5 which eliminates the need for recalibrating IR Comp and Current Limit when the control is used on various horsepower motors

- The versatility of the KBMM™ is confirmed by its extensive list of standard features, such as: selectable armature or tach feedback and adjustment trimpots for Min speed, Max speed, IR comp, CL and linear Accel and Decel

- The KBMM™ includes Auto Inhibit®, which eliminates surging during rapid AC line switching; pulse transformer triggering, which provides cogless operation at low speed; and superior noise rejection circuitry, which eliminates false starts and blown SCRs

- The output voltage of the control is a linear function of potentiometer rotation

- The KBMM™ is compact in size (only 4.3" x 3.64" x 1.25") and easily replaces all competitive speed controls

Standard Features

- Plug-in Horsepower Resistor®5 - Eliminates the need to calibrate control for IR comp and Current Limit when used on various horsepower motors
- Auto Inhibit® - Allows the control to be rapidly switched "on" and "off" using the AC line
- Inhibit and Enable - Allows the control to be turned "on" and "off" using electronic switching
- Trimpots - MIN and MAX Speed, IR Comp, Current Limit, ACCEL & DECEL
- Model KBMM-225D can operate on 115 or 230 VAC input with 90 or 180
VDC motors. – Jumper selectable
- Model KBMM-225 operates on 230 VAC input with 90 or 180 VDC motors
- Armature or Tach-Generator Feedback
- MOV Transient Protection
- SMT Construction
- Power On and Current Limit LED Indicators
- Built-in Armature and AC Line Fusing5
- Main Speed Potentiometer (5 kΩ)

Typical Applications

- Conveyors
- Packaging Machines
- Exercise Equipment
- Pumps
- Feeders
- Screening and Printing Equipment

Technical Information
Specifications

- Speed Range (Ratio) - 50:1
- Load Regulation - Armature Feedback
       - (0-Full Load, 50:1 Speed Range) (% Base Speed) - 1
- Load Regulation - Tachometer Feedback
       - (0-Full Load, 50:1 Speed Range) (% Set Speed) - 1
- Line Voltage Regulation (at full load, ± 10% Line Variation) (% Speed) - 1/2"
- Control Linearity (% Speed vs. Dial Rotation) - 2
- CL/Torque Range (% Full Load) - 0-200
- ACCEL-DECEL Time Range (0 – Full Speed) (Secs.) - 0.2-10
- MIN Speed Trimpot Range (% Full Speed) - 0-30"
- MAX Speed Trimpot Range (% Full Speed) - 50-120"
- IR Compensation Trimpot Range (at Specified Full Load) (Volts) - 0-24
- Maximum Allowable Ambient Temperature (at Full Rating) (°C/°F) - 45/113
- Tach Feedback Input Volts (Per 1000 RPM) (VDC) - 7/50

Electrical Ratings

- Part Number - 9451
- AC Line Voltage (VAC) ±15% 50/60Hz - 115
- Motor Voltage (VDC) - 0-90

Mechanical Specifications     Inches/mm



Connection Diagram


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