Dart Controls 125D-12C-2A

Dart Controls

DC Variable Speed Control, Analog

125D-12C-2A 1332550
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DC Variable Speed Control, Analog


ItemDC Variable Speed Control
Shunt Wound Volts100/200
HP1/50 to 1/8 @ 90 VDC, 1/25 to 1/4 @ 180 VDC
Voltage Output90/180VDC
Input Voltage120/240VAC
Speed Range50:1
Speed RegulationPlus or Minus 1% with Armature Voltage Feedback, Plus/-0.5% with Tach Feedback
Current/Torque LimitAdjustable
Accepts Tach FeedbackYes
Max. Amps1.2
Dynamic BrakingNo
Linear AccelerationAdj. 0.5-8 sec.
Linear DecelerationAdj. 0.5-8 sec.
Acceleration Adjust (Sec.).5 to 8
Fixed Deceleration (Sec.).5 to 8
RotationSingle Direction
Power On LightNo
Protection TypeCustomer Supplied Fuse
IR CompensationAdj.
Follower CircuitNo
Mount TypeChassis
Height (In.)4.25
Depth (In.)1.31
Width (In.)3.63
Operates On50/60 Hertz at +/-10 Percentage Rated Line Voltage
ProvidesSuperior Wide Range Adjustable Speed Control
Operating Temp.-10 to 45 Degree C
External SwitchesNone
HP @ Higher Volts1/25 to 1/4
HP @ Lower Volts1/50 to 1/8
For Use With Material Handling, Laboratory, Food Processing, Pump, Fan/Blower, Conveyor, Machine Tool, DC Motor and Spooling Applications
Includes Speed Pot, Knob and Dial Plate
Agency CompliancecULus Recognized and CE Certified
Weight 0.850000


Variable DC Speed Control, Analog, Shunt Wound Volts 100/200, 1/50 to 1/4 HP, Voltage Output 90/180VDC, Voltage Input 120/240, Chassis Enclosure, Speed Range 50:1, Speed Regulation Plus or Minus 1% with Armature Voltage Feedback, Plus/-0.5% with Tach Feedback, Current/Torque Limit Adjustable, Accepts Tach Feedback, Max Amps 1.2, Dynamic Braking Capability, Linear Acceleration, Linear Deceleration, Rotation Single Direction, Mount Type Chassis, Height 4 1/4 In, Depth 1 5/16 In, Width 3 5/8 In

  • Note: Not intended for constant-HP applications such as saws and drill presses, or in close proximity to high-capacitive-discharge electrical circuits such as welding equipment.

DC Adjustable-Speed Controls
  • Dart
  • Operable on 60/50 Hz at 10% rated line voltage. Inhibit circuit allows Start/Stop without breaking AC lines. 2LHT5 features electronic safety interlock. Agency standards: 6Z385, 6Z386, 2LHT6, and reversing/cycling chassis models are UL and C-UL Listed. All others are UL and C-UL Recognized. 2M510, 5DYG9, 2LHT5, and 2LHT4 are also CE Certified.
  • For permanent magnet or shunt-wound DC motors and gearmotors. Solid-state speed controls convert line voltage input to full-wave DC power on constant- or diminishing-torque applications. 4Z829 and 13A944 include isolated voltage/current follower input with an auto/manual switch.
  • Adjustable min./max. speed and IR compensation Speed regulation: 1% with armature voltage feedback and 0.5% with tach feedback Chassis models include speed pot, knob, and dial plate
  • Built-in transient and surge suppression

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