57C491

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This is a 275W Power Supply created for an AutoMax processing system.

AVAILABILITY:

IN STOCK
SHIPS TODAY

Contact: 1-919-372-8413 (Intl.), 1-800-991-7026 (US), sales@axcontrol.com

3 Year Warranty: Learn More

Sell Surplus: Have a 57C491 to sell? Sell Now

Exchange Credit: Learn more about our exchange credit program

57C491

    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 4.57 (14)
  • Click a star to rate this product
    Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures Varying star amount pictures
  • 4.57 (14)
  • Click a star to rate this product
This is a 275W Power Supply created for an AutoMax processing system.

AVAILABILITY:

IN STOCK
SHIPS TODAY

Contact: 1-919-372-8413 (Intl.), 1-800-991-7026 (US), sales@axcontrol.com

3 Year Warranty: Learn More

Sell Surplus: Have a 57C491 to sell? Sell Now

Exchange Credit: Learn more about our exchange credit program

57C491 Technical Specifications

Instruction Manual J-3670
Manufacturer Reliance Electric
Part Number 57C491
Product Type Power Supply Module
Series AutoMax PLC

Product Description

The 57C491 is Reliance Electric Power Supply Module. It could have also been produced by Asea Brown Boveri or Baldor Reliance as a vital part of their product lines. This power supply is no longer receiving any support for these original companies and may be slightly hard to find. AX Control usually attempts to keep this part in stock though.

This is a 275W Power Supply created for an AutoMax processing system. This power supply has the ability to convert input power to the DC current needed to provide power to modules and cards located on a card rack assembly. It has an input voltage of 120 VAC. It has a current rating of 5 amps at 120VAC. It has a frequency of 50/60HZ. It has a leakage current that can exceed 5mA. It has a fault current limit of 10 KVA. It has a DC output rating of 5VDC 30A, +/- 12VDC 4A, +/- 15VDC 1A, and +/- 5VDC 1 mA. It has a 275-watt continuous output power. It has an output current that gradually increases during the start-up process. This system has a 70% efficiency when it comes to its line voltage and full load. This module has an isolation rating of 1500VAC input-to-output and 600 VDC output-to-chassis. 

The 57C491’s front faceplate has several key features. It has four LED indicators labeled power on, P/S ready, system ready, and blown fuse.  It has a key switch system labeled setup, memory protect, and program. This device normally comes with two keys. It has a removable terminal switch. It has a fuse slot that uses a type 250V fuse and it has a battery backup.   

Frequently Asked Questions about 57C491

What does 57C491 do?
57C491 converts 115 VAC input power into the D-C voltages necessary to operate the other modules in a rack.
What's on the faceplate of 57C491?
There are 4 LED indicators, a terminal block connector, a keyswitch, and a battery back-up connector on the faceplate of 57C491. You can see what 57C491 looks like and the 57C491 faceplate in figure 2.1 in the AutoMax Power Supply Module and Racks Manual - Manual J-3670, which is the manual for 57C491.
What does the terminal block on 57C491 do?
The terminal block on 57C491 provides the means to connect the 115 VAC power and a ground wire from the rack to the 57C491 module.
Can AX Control repair my 57C491?
Yes. We repair AutoMax products, including 57C491. For a repair quote and repair time on 57C491, speak to a sales representative.
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Repair Services For 57C491

Type Lead Time Price Action
Repair Service 1-2 weeks $348

Our highly skilled technicians can repair your 57C491. 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
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57C491 Manuals, White Papers, Data Sheets, and Troubleshooting