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7.5HP HR2000 Brushless AC Servo Controller



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  • Part Number: 3RA2008
  • SKU: 3RA2008RE
  • Manufacturer: Reliance Electric
  • Series: HR2000 Servo

3RA2008 Technical Specifications

Manufacturer Reliance Electric
Series HR2000 Servo
Part Number 3RA2008
HP 7.5 HP
Input Voltage 208/230 VAC

Product Description

The HR2000 series includes 3RA2008, a Reliance Electric drive controller. The stall torque is 175 lb-in. The speed is 2000 rpm. The friction is 2.1 lb-in. The damping is 1.4 lb-in/kpm. The thermal resistance is 0.31°C/watt. The motor weight is 60 lbs. The motor frame is S-6200.

Under any of the following conditions, there will be a fault indication and the controller will automatically shut down: communications error, CPU malfunction, overspeed, inverse time overload, undervoltage, overvoltage, overtemperature, overcurrent, position regulator error, and phase loss or ground fault. Standard adjustments on the controller include Inverse Time Overload, Current Limit, Speed Loop Gain, Speed Offset, Acceleration/Deceleration Rate, Overspeed, Reference Gan, Position Loop Gain, Notch Filter, and Filter Q Factor. The controller includes a Fault Reset button and a single board, microprocessor-based regulator.

Do not expose the controller to airborne contaminants or direct sunlight. For every 1000 feet above 3300 feet, derate the current rating by 4%. The controller can be either enclosed or placed inside of a chassis. Complete all drilling, cutting, and welding before mounting the controller in order to limit vibration. If the controller horsepower is 7.5, the power loss will be 375 watts. If the controller horsepower is 15, the power loss will be 750 watts. In order to easily read labels, it is recommended to mount the controller vertically. It is not necessary to install standoff hardware. When mounting the controller, make sure that the enclosure door will not hinder service access.

Frequently Asked Questions about 3RA2008

Where should I install my 3RA2008?
Install the 3RA2008 in a clean, cool, and dry location. Make sure 3RA2008 is away from any contaminants and that 3RA2008 is free of a corrosive atmosphere. The 3RA2008 should not be close to vibration or noise and the 3RA2008 should be installed in a place where the temperatre is between 32 degrees Farenheit and 131 degrees Farenheit.
Where do you mount a 3RA2008?
Mount the Reliance 3RA2008 directly to the enclosure mounting panel. Vertical mounting is recommended for a 3RA2008 to make it easier to read labels.
How does 3RA2008 operate a reference circuit?
3RA2008 has a 12 VDC power supply that the 3RA2008 uses to operate the reference circuit.
Can AX Control repair my 3RA2008?
Yes, we'd love to repair your 3RA2008. Although 3RA2008 controllers are obsolete, we have experts that repair and recondition 3RA2008 controllers. For a repair quote on a 3RA2008 and a repair time for the 3RA2008, speak to a sales representative about what type of repair needs to be done on your 3RA2008

Repair Services For 3RA2008

Type Lead Time Price Action
Repair Service 1-2 weeks $396

Our highly skilled technicians can repair your 3RA2008. 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