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Model 0788 Low-Voltage PWM DC Motor Speed Control (open chassis)

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Low-Voltage PWM DC Motor Speed Control (open chassis)

Model 0788

Bodine Electric, 0788, 0 Rpm, 0.0000 lb-in, 1/3 hp, 24 dc, Low-Voltage PWM DC Motor Speed Control (open chassis)


HP Rating 1/3
Input Voltage (VDC) 24-35
Output Voltage (VDC) 0-24
Continuous Output Current (Amps) 14
Peak Output Current (Amps) 35
Form Factor 1
Weight (lbs) 1
Product Type WPM-2137C
1/4-inch QC Tab Connection YES
Terminal Block Connection NO
HPDecimal 0.3333

CAD Drawings

User manuals


These type WPM motor speed controls operate from a DC power supply or from a battery (12 VDC or 24 VDC, depending on the control model). The control provides simple and reliable speed control for low-voltage PMDC gearmotors and motors.

  • Models 0786 & 0788 feature quick connect tabs, models 0787 & 0789 are supplied with plug-in terminal block
  • Input Voltage Range: 12-14 VDC or 24-35 VDC (dependent on model).
  • Back EMF feedback maintains 1% speed regulation with most DC motors.
  • DIP switches to easily calibrate control for different gearmotor/motor sizes.
  • Two diagnostic LEDs indicate when power is on and when current output is at limit set by TORQ pot.
  • Five on-board user-adjustable pots for torque limit, min/max speed limit, acceleration time, and speed regulation.
  • Speed can be adjusted manually using a 10k-Ohm speed pot (included with control) or via 0-5 VDC remote analog signal.
  • Connections for optional user-supplied inhibit switch.

Application Information

  • Models 0788 and 0789 drive Bodine 24V PMDC motors and gearmotors up to 1/3 HP.
  • Models 0786 and 0787 drive custom 12V PMDC motors and gearmotors. Call for details.
  • To be mounted in separate enclosure supplied by user.
  • Output voltage is up to 95% of input voltage.
  • Rated for +50° C ambient (max).

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