Reliance Electric 57C493 ES371AMB
Reliance Electric 57C493 ES371AMB
Reliance Electric 57C493 ES371AMB
Reliance Electric 57C493 ES371AMB
Reliance Electric 57C493 ES371AMB
Reliance Electric 57C493 ES371AMB
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57C493 ES371AMB

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The Reliance Electric 57C493 ES371AMB is a high-performance power supply module for AutoMax's series of distributed control systems, providing stable and reliable DC power to DCS/PLC systems. It is specifically designed to ensure the continuous operation of processors, I/O modules, and communication interfaces.
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Technical specifications for 57C493 ES371AMB

  • Manufacturer:
    Reliance Electric
  • Part Number:
    57C493 ES371AMB
  • Product Family:
    Reliance Electric
  • Input Voltage:
    100–120 VAC
  • Input Current:
    7.8 A / 6.5 A
  • Input Frequency:
    50/60 Hz
  • Output Voltage:
    6 VDC / 12 VDC
  • Maximum Output Current:
    50 A
  • Maximum Power:
    376 W
  • Estimated shipping dimensions:
    10.5x20x34.2cm
  • Tariff Code:
    5407420000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Certifications Applications Operating Environment

Features:

  • High-Capacity Output Provides Up To 50 A And 376 W For AutoMax DCS/PLC Systems.
  • Wide AC Input Range With 50/60 Hz Compatibility Ensures Industrial Power Reliability.
  • Compact, Robust Design Supports Continuous Operation In 0–60 °C And 5–90% Humidity Environments.
The Reliance Electric 57C493 ES371AMB is the core power module for AutoMax distributed control systems, designed to ensure stable operation of DCS/PLC processors and I/O modules. Its high output current and power capabilities ensure reliable operation even under high load conditions. Wide input voltage and frequency compatibility allows it to adapt to complex industrial power environments, while its compact design facilitates installation and maintenance.

In industrial applications, the 57C493 ES371AMB provides continuous DC power, ensuring stable power supply to communication interfaces, control processors, and I/O modules, reducing the risk of production interruptions and improving the overall reliability of the automation system. Its long-term operational stability has led to its widespread use in AutoMax systems in industries such as power plants, steel, and chemicals.

The advantages of the Reliance Electric 57C493 ES371AMB lie not only in its power performance but also in its compatibility and ease of integration with AutoMax modules. By adopting this module, companies can optimize their industrial automation control systems, achieving higher production efficiency, more stable operation, and improved maintainability.

The 57C493 ES371AMB Reliance Electric Automax Power Supply Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Reliance Electric 57C493 ES371AMB Automax Power Supply Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Reliance Electric 57C493 ES371AMB Automax Power Supply Module Specs

General

  • Manufacturer Reliance Electric
  • Model 57C493 ES371AMB
  • Condition New Original ready stock
  • Product Family 57C430A,57C330,57C431
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • UL Certification: Complies with Underwriters Laboratories' industrial control equipment safety standards.
  • CSA Certification: Certified by the Canadian Standards Association, applicable to North American industrial automation environments.
  • CE Mark: Later production batches typically comply with European Electromagnetic Compatibility (EMC) and Low Voltage Directives.
  • Industry Grade: Designed to meet NEMA industrial control equipment standards, featuring surge protection and basic power cleanup capabilities.
  • Multi-processor Rack Power: Provides core operating power for complex racks containing multiple AutoMax 6010 or 7010 processors.
  • Large Rolling Mill Control Systems: Widely used in continuous rolling production lines in steel mills, driving distributed control logic.
  • Paper Machinery Synchronous Control: Serves as a system power source in multi-axis synchronous paper machine control systems requiring extremely high real-time performance.
  • Legacy System Maintenance and Retrofitting: Serves as a critical spare for existing Reliance AutoMax systems, ensuring continuous operation of the production line during downtime.
  • Temperature Range: Normal operating temperature is 0°C to 60°C. Due to the module's high power (approximately 375W), sufficient convection cooling space must be ensured at the bottom and top of the rack.
  • Humidity Requirements: Relative humidity should be maintained between 5% and 95% (non-condensing). In high humidity environments, dehumidification of the rack is recommended to protect electronic components.
  • Installation Location: Physically, it must be installed on the far left side of the AutoMax rack (Slot 0), and due to its large size, it will occupy the first three slots of the rack.
  • Interference Immunity Requirements: Must be installed in a metal cabinet that meets industrial-grade shielding standards. Avoid parallel routing with high-power inverter output cables to prevent high-frequency interference from affecting DC output stability.
Description
The Reliance Electric 57C493 ES371AMB Automax Power Supply Module is a crucial component of AutoMax DCS/PLC systems, providing 6/12 VDC output, a maximum current of 50 A, and 376 W of power, ensuring stable operation of the core components of the entire control rack. Its wide input voltage range of 100–120 VAC and frequency compatibility of 50/60 Hz enable reliable operation in a variety of industrial power environments.

The module is designed with the challenges of industrial environments in mind, capable of providing stable power supply under operating temperatures of 0–60 °C and relative humidity of 5–90% (non-condensing). The Reliance Electric 57C493 ES371AMB features optimized internal circuitry for efficient power conversion, reduced energy loss, and support for long-term continuous operation.

In practical applications, the 57C493 ES371AMB power module is widely used in AutoMax systems in industrial settings such as power plants, chemical plants, and steel mills. It provides stable power to processors, I/O modules, and communication interfaces, ensuring high reliability for automated system control. By using this module, users can reduce the risk of production interruptions due to power fluctuations or failures.

The Reliance Electric 57C493 ES371AMB also features a compact mounting design, making it easy to integrate into AutoMax control racks. The module operates stably over long periods and seamlessly integrates with other modules in the same series, ensuring efficient, reliable, and safe automated control of the entire system in complex industrial environments.
Alternative Names
57C491 57C492 57C435 57C441 57C444
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What Is The Function Of Reliance Electric 57C493 ES371AMB?
It provides stable DC power to AutoMax DCS/PLC processors, I/O modules, and communication interfaces.
Why Is This Module Important For AutoMax Systems?
Without reliable power from the 57C493 ES371AMB, the processors and I/O modules may experience instability, affecting automation performance.
What Are The Operating Limits Of This Module?
It functions reliably in temperatures from 0 to 60 °C and relative humidity of 5–90% (non-condensing).
How Does It Handle Different Industrial Power Conditions?
Its 100–120 VAC input and 50/60 Hz compatibility allow operation in varied electrical environments.