RELIANCE ELECTRIC 57C493 Power Supply Module

Overview

The Reliance Electric 57C493 is a 376W power supply module designed for AutoMax programmable logic controller (PLC) systems. It delivers reliable power to ensure the smooth operation of PLC systems, with a wide input voltage range and robust protection features. This module is known for its easy installation and maintenance features, including captive ejectors and a removable terminal switch. The 57C493 also includes built-in over-voltage and over-current protection to safeguard the system from potential damage.

Technical Specifications

• Power Rating: 375 Watts (375W)
• Input Voltage: 100-132 VAC
• Nominal Input Frequency: 50/60 Hz
• Isolation Rating:
  • 1500 VAC input-to-input
  • 600V DC output-to-rack
• LED Indicators:
  • POWER
  • FAULT
• Key Switch:
  • PROGRAM
  • MEMORY PROTECT
  • SETUP
• Replaceable Fuse: 250V
• Battery Backup: Spot for battery backup
• Mounting:
  • Occupies three slots on AutoMax Storage Rack
  • Must be the leftmost item on the rack
• Dimensions:
  • Height: 29.8 cm
  • Width: 10.2 cm
  • Depth: 19.7 cm
• Weight: 8.00 lbs
• Operating Temperature: 0 to 60°C
• Relative Humidity: 5-90% (non-condensing)

Protection and Durability Features

• Over-voltage Protection: Prevents damage from excessive voltage.
• Over-current Protection: Safeguards against excessive current.
• Aluminum Chassis: Provides durable, protective casing.
• Heatsink: Ensures effective thermal management during operation.