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DC speed controls are also referred to as SCR controls or DC motor controls or DC drive. They take 120/240VAC supply voltage and convert to DC for use with 90 and 180VDC armature DC motors. Because Dart also makes digital DC speed controls we define the products below as ‘analog’ to differentiate from their digital, microprocessor-based counterparts.


150 Series OEM DC Motor Speed Control

New! The NEW Enclosed Digital Pot 150 Series is Available Now**

  • Single or Dual Voltage 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Male spade terminations standard
  • Full wave bridge supply
  • 1% speed regulation, ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Current Limit
  • Adjustable Acceleration
  • Adjustable Deceleration
  • Line voltage compensation
  • 5K ohm speed pot, knob & dial plate included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Voltage following mode
  • Inhibit circuit
View Product Details >

125D 1HP DC Speed Control

  • Dual Voltage 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Barrier terminal strip (Option for 153D Series)
  • Full wave bridge supply
  • 1% speed regulation, ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Current Limit
  • Fixed Acceleration
  • Optional Adjustable Acceleration/Deceleration (standard for 153D Series)
  • Line voltage compensation
  • 5K ohm speed pot, knob & dial plate included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Voltage following mode
  • Inhibit circuit
View Product Details >

125DV200E 2HP NEMA 4X Enclosed

  • UL Listed, all models
  • MOV transient protection
  • Adjustable linear ACCEL and DECEL adjustment
  • Adjustable minimum and maximum speed limits
  • Adjustable Current Limit and IR Compensation
  • Line fused
  • Power ON/OFF switch
  • Power "ON" indicator
  • NEMA 4X enclosure
  • Auto Sensing Dual Voltage 120/240VAC input
  • Output Voltage 0-90/180Vdc
  • 1% speed regulation; 50:1 range
  • HP adjustable over 1/4 to 2HP range – no jumpers or resistors to change
  • Overload capacity 200% for 1 minute
View Product Details >

253G 2HP NEMA 4 DC Speed Control

  • Dual voltage - 120/240 VAC, 50/60Hz
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Packaged bridge supply (fullwave)
  • 1% speed regulation; ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Linear Acceleration
  • Adjustable Current Limit
  • Line voltage compensation
  • 5K ohm speed pot, knob and dial included
  • Power on/off switch (enclosed models)
  • 50:1 speed range
  • Overload capacity: 150% for one minute
  • Transient voltage protection
  • Inhibit circuit
  • Enclosed models rated NEMA 4/12
View Product Details >

15 Series FHP DC Speed Control

  • Dual voltage models of 12/24 VAC or 120/240 VAC input
  • Full wave bridge power supply > Adjustable Minimum speed
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Fixed Acceleration
  • 5K ohm speed pot, knob & dial included
  • 25:1 speed range
  • 1% speed regulation
  • Overload capacity of 200% for 1 minute
  • Transient voltage protection
  • AC line fuse (Enclosed)
  • Power on/off switch and light (Enclosed)
View Product Details >

130 Reversing DC Speed Control

  • Adjustable horsepower settings
  • Barrier terminal blocks
  • Full wave bridge supply
  • Adjustable Min speed
  • Adjustable Max speed
  • Adjustable IR compensation
  • Adjustable current limit
  • Fixed accel (0.5 sec)
  • Line voltage compensation
  • 5K speed pot, dial and knob included
  • 50:1 speed range
  • Overload capacity: 200% for 1 min
  • Transient voltage protection
  • Onboard dynamic brake resistor
  • Automatic DB on power loss
  • 1% speed regulation
View Product Details >

530B 3HP DC Speed Control

  • Dual 120/240 VAC, 50/60Hz via slide selector switch
  • Adjustable horsepower settings
  • Barrier terminal strip
  • Packaged bridge supply (fullwave)
  • 1% speed regulation; ±1/2% with tach feedback
  • Adjustable Minimum speed
  • Adjustable Maximum speed
  • Adjustable IR Compensation
  • Adjustable Linear Acceleration (0.3 to 12 sec.)
  • Adjustable Linear Deceleration (0.6 to 12 sec.)
  • Adjustable Current Limit
  • Line voltage compensation
  • 5K ohm speed pot, dial and knob included
  • 50:1 speed range
  • Overload capacity: 200% for one minute
  • Transient voltage protection
  • Inhibit circuit
  • Enclosed models rated NEMA 4/12
View Product Details >

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