Model Number:3921

3921, 1/3 Hp, 0-130V ABL-3921C, Filtered SCR Brushless DC Controls

3921, 1/3 Hp, 0-130V ABL-3921C, Filtered SCR Brushless DC Controls


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HP Rating: 1/3 at 10,000 Rpm
Input Voltage (VAC 50/60 Hz)): 115
Output Voltage (VDC): 0-130
Continuous Output Current (Amps): 3
Peak Output Current (Amps): 6
Form Factor: 1
Product Type: ABL-3921C
HPDecimal: 0.333


The type ABL-3919C brushless DC Control operates from a 24VDC power supply or battery. This control was designed to power our metric 24V brushless DC 22B-60P Planetary Gearmotors with 120° commutation.

  • ommutation is 120° (standard).
  • Input Voltage Range: 24-35 VDC.
  • Control Functions: include dynamic braking, direction, and enable.
  • Speed Adjustment: can be controlled by an external potentiometer (included), the onboard MAX speed trim potentiometer, or a 0-5 VDC analog input signal.
  • User-Adjustable Pots: for speed settings, torque limit, acceleration time.
  • 12 PPR (pulse/revolution) tach output provides indication of motor speed.
  • Inherent closed loop system maintains a 2% maximum change in motor speed from 0-100% of rated load when operated at rated speed.
  • Smart Reverse™ circuit prevents plug reversing if the user accidentally or intentionally changes the direction signal without bringing the motor to a stop first.
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