57C493

About the 57C493

• The 57C493 is a Reliance Electric AutoMax Power Supply.
• It may have also been sold under the Asea Brown Boveri (ABB) and/or Baldor Reliance product lines.
• This model is no longer maintained by the manufacturers.
• AX Control strives to keep it in stock as a refurbished or new surplus part.

Hardware Features & Specifications

• It's a 376 W Power Supply Module.
• Input Voltage: 100-132 VAC.
• Nominal Input Frequency: 50/60 Hz.
• Isolation Rating: 1500 VAC input-to-input or 600V DC output-to-rack.
• Features captive ejectors, a removable terminal switch, and over-voltage/over-current protection.
• Built with a protective aluminum chassis and a heatsink.

Faceplate & Installation

• The faceplate includes:
  • Two LEDs labeled POWER and FAULT.
  • A key switch labeled PROGRAM, MEMORY PROTECT, and SETUP.
  • A replaceable 250V fuse.
  • A spot for a Battery Back-Up.
  • A covered terminal strip labeled L2 120VAC L1.
• This power supply occupies three slots on an AutoMax Storage Rack.
• It must be the leftmost item on the rack.
• Mounts to the rack using mounting screws and brackets on the rack and faceplate.
• Faceplate brackets can also be used for safe removal.

Ambient Conditions & Dimensions

• Operating Temperature: 0 to 60 degrees Celsius.
• Relative Humidity: 5-90%, non-condensing.
• Dimensions: 29.8 cm (H) x 10.2 cm (W) x 19.7 cm (D).
• Weight: 3.8 kg.