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Reliance Electric DM-20 10 amp 50/60 Hz Motor Controller with a NEMA 12K enclosure



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  • Part Number: DM-20
  • SKU: DM20RE
  • Manufacturer: Reliance Electric
  • Series: BRU-200 Series

DM-20 Technical Specifications

Manufacturer Reliance Electric
Series BRU-200
Product Number DM-20
Input Voltage 100-240 VAC
Phase 1 Phase
Hz 50/60 Hz

Product Description

The DM-20 is a Reliance Electric created 1-Phase BRU-200 series Servo Drive. It was created to go with an Electro-Craft series motor. It could have also been produced by ABB and Baldor Reliance, but it has been since reclassified as a legacy series. It may be a little difficult to find, but AX Control does try to keep it in stock. This product may also be listed under the alternate part number 9101-1302. 

The DM-20 is a brushless servo drive that is in control of providing system power and control that is typically needed to run an F-Series or S-Series Electro-Craft Motor. The user has the ability to separately purchase several suggested motors that can be paired with this drive. These motors are F-4030, S-4030, and S-3016. This drive is 120/240 VAC and has a peak amperage of 20A. It also has a continuous amp rating of 10A. This drive has a 141-340 DC bus that has the option of being 325 VDC when using a 230 VAC input. It can handle a command signal range between +/-10 VDCs and 13.3k ohms impedance. It can have a 100W +dissipative shunt max power loss. The normal power loss range is typically around ½ the maximum amount. This device has a 50W continuous shunt and a 4.5 kW peak power shunt. It weighs right around 15lbs.

There are four LED indicators on the faceplate of the DM-20. They are red and green and labeled numerically 1-4. There is a terminal strip that is located on the bottom left side of the faceplate. It has a very small green Ready LED indicator slightly below it. On the right side of the faceplate, there are six other connectors.

Frequently Asked Questions about DM-20

Where should I store a Reliance DM-20?
The ambient storage temperature for a DM-20 should be between 32 and 122 degrees Farenheit.
Is there a transformer available for the DM-20?
Yes, there is a multi-tap single phase isolation transformer that is compatible with the DM-20. 
Are there multiple models of the DM-20?
The 9101-1132 and the 9101-1302 are both DM-20 drives within the BRU-200 Series. 
What motors are compatible with the DM-20?
The DM-20 is used as a controller and provides power to the Reliance Electric S-Series and F-Series motors. 
  • DM-20 Rev A
  • DM-20 Rev B
  • DM-20 Rev C
  • DM-20 Rev D
  • DM-20 Rev E
  • DM-20 Rev F
  • DM-20 Rev G
  • DM-20 Rev H
  • DM-20 Rev I
  • DM-20 Rev J
  • DM-20 Rev K
  • DM-20 Rev L
  • DM-20 Rev M
  • DM-20 Rev N
  • DM-20 Rev O
  • DM-20 Rev P
  • DM-20 Rev Q
  • DM-20 Rev R
  • DM-20 Rev S
  • DM-20 Rev T
  • DM-20 Rev U
  • DM-20 Rev V
  • DM-20 Rev W
  • DM-20 Rev X
  • DM-20 Rev Y
  • DM-20 Rev Z

Repair Services For DM-20

Type Lead Time Price Action
Repair Service 1-2 weeks $1424

Our highly skilled technicians can repair your DM-20. 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

DM-20 Manuals, White Papers, Data Sheets, and Troubleshooting