DC1-71U

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  • 4.83 (6)
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DC1 Series Eletric Motor Controller

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  • Part Number: DC1-71U
  • SKU: DC171URE
  • Manufacturer: Reliance Electric
  • Series: DC1 Drives

DC1-71U Technical Specifications

Manufacturer Reliance Electric
Series DC1
Part Number DC1-71U
HP 1.0/2.0 HP
Input Voltage 115/230 VAC
Phase 1 Phase
Enclosure NEMA 1/NEMA 12
Hz 50/60Hz

About the DC1-71U

DC1-71U is a standard NEMA 21 DC1 controller that is manufactured by Reliance Electric. This basic controller includes DB/reversing and operator controls. The controller cannot be used with the D-C tachometer speed feedback, but is designed for speed control. Pay attention to the Danger, Warning, and Caution alerts that are highlighted in the user manual for user convenience.

The controller converts single-phase A-C line power to adjustable D-C power for either speed or torque control of D-C motors rated ¼ through 2 horsepower. This particular controller is enclosed in a NEMA/UL 12K enclosure. The speed control features of this controller do not include speed control by armature voltage regulation or motor mounted D-C tachometer. The speed features do, however, include potentiometer motor speed adjustment, independently adjustable maximum and minimum speeds, fixed rate acceleration, adjustable current limit, jumper selectable armature voltage feedback scaling at 90 or 180 volts, and adjustable IR drop compensation.

This particular speed control model with reversing and dynamic braking includes reversing direction by a FORWARD/OFF/REVERSE switch. The “OFF” position (or center position of the switch) applies dynamic braking, and a selector switch which has a detent feature which requires the release of pressure on the switch when passing from forward to reverse. When combined with the dynamic braking action, this feature minimizes the possibility of the plug reversing the motor. Caution: Before changing the direction of the motor rotation, the drive must be at zero speed. Failure to observe this precaution could result in damage to, or destruction of, the equipment.

Frequently Asked Questions about DC1-71U

What are the maximum input and output amps on DC1-71U?
DC1-71U has 12.5 maximum input amps and DC1-71U has 10.0 maximum output amps.
What is the DC field rating on a DC1-71U?
DC1-71U has a DC field ratng of 50/100 volts and DC1-71U has 2 max amps.
What type of regulator is a Reliance DC1-71U?
A Reliance DC1-71U is a basic and reversing regulator. DC1-71U has operator control.
What stop mode does a Reliance DC1-71U use?
DC1-71U is default set to a coast-to-rest stop.

Repair Services For DC1-71U

Type Lead Time Price Action
Repair Service 1-2 weeks $358

Our highly skilled technicians can repair your DC1-71U. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
Learn More