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DM-50 Reliance Electric Brushless Servo | Image
2 year warranty

DM-50 Reliance Electric Brushless Servo | Image
Reliance Electric 9101-0377 Brushless Servo 324 VDC Drive | Image


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Reliance Electric 9101-0377 Brushless Servo 324 VDC Drive



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  • Part Number: 9101-0377
  • SKU: 91010377RE
  • Manufacturer: Reliance Electric
  • Series: BRU-500 Series

9101-0377 Technical Specifications

Manufacturer Reliance Electric
Series BRU-500
Part Number 9101-0377
Input Voltage 324 VDC
Rev L

Product Description

Reliance Electric created the 9101-0377 to be a BRU-500 3-Phase Servo Drive. It may have also been in production with ABB or Baldor Reliance depending on what its production years were. It is now a legacy series drive and could be a little hard to locate. AX Control makes every attempt to keep it stocked as either a new surplus or refurbished part.

The 9101-0377 is a 50 amp 50/60Hz servo drive that is rated 120/240 VACs and 170/340 VDCs. It can be 325 VDC if it is using a 230 VAC input. This drive has a wattage loss of 180W maximum. It can have a peak amperes of 50 amps and a continuous amperage of 40 amps. The entire purpose of this drive it to be able to efficiently give an attached motor the control and power it needs. The manufacturer suggest a variety of motors to be attached to this drive. They are Electro-Craft S and F-series motors that are specifically the S-4050, F-4050, S-4075, F-4075, S-6100, and F-6100 models.

The 9101-0377 has the capability to be vertically installed onto a panel or other flat surface. It uses two brackets on its backplane that have factory-drilled holes on them. It is advisable to use bolts and washers to maintain a tight mounting onto the flat surface. This drive should only operate in a dry, clean environment that is not exposed to liquids or combustible materials.

The external components on the 9101-0377 include 15 LED indicators that are red, green, and yellow. There is a re-boot switch and two comm link ports. There are two rail ports and two RS-232 d-shell ports. There is a total of two external fans on the bottom of the chassis.

Frequently Asked Questions about 9101-0377

What type of environment should the 9101-0377 be installed in?
The 9101-0377 should be installed in a vertical on a flat surface in a safe and dry environment between 32-122 degrees fahrenheight. 
What is the maximum power loss for the 9101-0377?
The 9101-0377 is a DM-50 model which has a maximum power loss of 180 watts. 
What motors are compatible with the 9101-0377?
The 9101-0377 is compatible with both Reliance Electric S-Series and F-Series motors. 
Where can I find the manual for the 9101-0377?
The 9101-0377 is discussed in the Reliance Electric BRU-500 Series manual. You can find the BRU-500 maual on our website, 
  • 91010377-Rev A
  • 91010377-Rev B
  • 91010377-Rev C
  • 91010377-Rev D
  • 91010377-Rev E
  • 91010377-Rev F
  • 91010377-Rev G
  • 91010377-Rev H
  • 91010377-Rev I
  • 91010377-Rev J
  • 91010377-Rev K
  • 91010377-Rev L
  • 91010377-Rev M
  • 91010377-Rev N
  • 91010377-Rev O
  • 91010377-Rev P
  • 91010377-Rev Q
  • 91010377-Rev R
  • 91010377-Rev S
  • 91010377-Rev T
  • 91010377-Rev U
  • 91010377-Rev V
  • 91010377-Rev W
  • 91010377-Rev X
  • 91010377-Rev Y
  • 91010377-Rev Z

Repair Services For 9101-0377

Type Lead Time Price Action
Repair Service 1-2 weeks $1625

Our highly skilled technicians can repair your 9101-0377. 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

9101-0377 Manuals, White Papers, Data Sheets, and Troubleshooting