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Reliance Electric Drive Control Plate | Image
2 year warranty

Reliance Electric Drive Control Plate | Image
Reliance Electric Drive Control Plate | Image


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Reliance Electric Drive DC2-50U 50/60 HZ Phase 1 Open Control Plate



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  • Part Number: DC2-50U
  • SKU: DC250URE
  • Manufacturer: Reliance Electric
  • Series: DC2 Drives

DC2-50U Technical Specifications

Manufacturer Reliance Electric
Series DC2
Part Number DC2-50U
HP 1.0/2.0 HP
Input Voltage 115/230 VAC
Phase 1 Phase
Hz 50/60 Hz

Product Description

The DC2-50U is a Reliance Electric made DC Motor Controller. This controller may have also been sold by ABB and Baldor Reliance depending on what years it was in production. The DC2-50U is not supported by these companies anymore and may be hard to locate. AX Control does endeavor to keep it in stock. Please see our site for availability or to contact us so we can make repairs to your DC2-50U.

The DC2-50U is a Single-Phase ¼-2HP 50/60Hz DC2 V*S controller. This model is primarily used for speed control. This controller is in an open/plate-style chassis. This controller has to be mounted onto an 18”x18” metal plate so that it can meet the 1HP @115 VAC and 2HP @230 VAC ratings. Alternatively, you can purchase an optional heatsink to make these ratings valid.  

The DC2-50U has a few basic controller features common for all of the DC2 drives. It has an internal thermostat that monitors motor overload. It has a coast-to-rest stop option. It has a metal oxide varistor and RC circuit that offers line protection. It has a fuse line that provides optional short circuit protection. It has an unmodified power cycle that is 50 or 60Hz. For shunt-wound DC motors, this device provides a half-wave field supply.

Being a speed control specific drive, the DC2-50U has additional features specific to this type of drive. It has an IR drop compensation that is adjustable. It has adjustable current limits and maximum and minimum speeds. It uses a potentiometer to make speed adjustments to the motor. The motor is speed controlled by an armature voltage regulator or using a motor mounted DC tachometer


Frequently Asked Questions about DC2-50U

What type of enclosure is the DC2-50U kept in?
The DC2-50U is designed with an open chassis style enclosure to protect it from becoming damaged. 
Does AX Control offer a warranty on the DC2-50U?
AX Control provides a two year warranty on any of our drives including the DC2-50U. If the DC2-50U is not functioning properly, AX Control will provide you with a full refund, complete any repairs needed, or send you a new drive. 
What are the mounting dimensions for the DC2-50U?
The mounting dimensions for the DC2-50U are 2.5D x 6.25H x 6.0W inches. 
What type of circuit board is the DC2-50U equipped with?
The main circuit board that the DC2-50U is desgined with is the 0-57210-30D. The circuit board is the largest part of the DC2-50U.

Repair Services For DC2-50U

Type Lead Time Price Action
Repair Service 1-2 weeks $402

Our highly skilled technicians can repair your DC2-50U. 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