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Reliance SP500 AC Controller 3HP 575V.



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  • Part Number: 1SU51003
  • SKU: 1SU51003RE
  • Manufacturer: Reliance Electric
  • Series: SP500 AC Drives

1SU51003 Technical Specifications

Manufacturer Reliance Electric
Series SP500
Part Number 1SU51003
Input Voltage 575 VAC
Enclosure NEMA 1 or Chassis
Hz 50/60Hz
Labeling UL Listed, IEC Certified

About the 1SU51003

1SU51003 is an SP500 drive that is manufactured by Reliance Electric. This drive has a 575 VAC and is enclosed in a NEMA 1 or chassis enclosure. The horsepower rating is 3.0 HP. For this drive, the linearity is 0.05 (speed reference to output frequency). The line dip ride through is 500 milliseconds. The long-term frequency stability is 0.01%. The minimum frequency range is 0.5-30 Hz, and the maximum frequency range is 30-240 Hz. The nominal maximum load is 150% for 1 minute and the overcurrent trip IET is 200% of the rated drive current. The motor lead lengths are 76 meters (250 feet) in total.

The drive has many customizable parameters. Parameter numbers F-23 through F-25 are Multi-Speed presets 1-3, for which the default settings are all 20 Hz and the range is the minimum speed to the maximum speed for all three presets. Parameter number F-26 is the Auto-Restart Number of Attempts, wherein the range is 0-10 attempts and the default setting is 0 (disabled). Parameter number F-27 is Auto-Restart Retry Wait Time (seconds), wherein the range is 1-30 seconds and the default setting is 1 second. Parameter number F-28 is the Drive Voltage Selection, which is a parameter that is set at the factory and must not be changed. Parameter number F-29 is the Analog Output Select, for which the default setting is SPd and the other options are LOAd, UOL, and rEF. Parameter number F-49 is the Version Information, which is read only.

Frequently Asked Questions about 1SU51003

What are the power loss watts on 1SU51003?
On a Reliance, 1SU51003 the power loss watts are 120 when 1SU51003 is at any carrier frequency.
What is 1SU51003 supplied with?
1SU51003 is a non-ventilated drive that is supplied with base and keypad gaskets. 1SU51003 is a Reliance product with a NEMA 1 enclosure rating. The NEMA 1 enclosure on 1SU51003 means ignfies that it is vented and the 1SU51003 is for indoor applications.
Where can I find a manual for a Reliance 1SU51003?
AX Control will send you a link to the manual that is specific to 1SU51003. The manual is the SP500 AC Drive Installation and Operation Manual and it exemplifes 1SU51003. The manual is instruction manual D2-3356. 

Repair Services For 1SU51003

Type Lead Time Price Action
Repair Service 1-2 weeks $977

Our highly skilled technicians can repair your 1SU51003. 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

1SU51003 Manuals, White Papers, Data Sheets, and Troubleshooting