Allen-Bradley 1797-PS1E Flex Ex Power Supply Module

The Allen-Bradley 1797-PS1E Flex Ex Power Supply Module is designed for use in hazardous locations, providing reliable power to Flex I/O systems in environments where explosive gases or dust may be present. This power supply module supports a range of input voltages and delivers stable output, ensuring the continuous operation of connected devices. With its robust construction and advanced features, the 1797-PS1E is ideal for use in various industrial applications.

Advantages:

• Designed for hazardous locations
• Reliable power delivery for Flex I/O systems
• Robust construction for demanding environments
• Supports multiple input voltage ranges

General Info

• Manufacturer: Allen-Bradley
• Model Number: 1797-PS1E
• Type: Flex Ex Power Supply Module
• Input Voltage Range: 100-240 VAC
• Output Voltage: 24 VDC
• Power Rating: 100 W
• Operating Temperature Range: -20°C to 60°C

Features

• Hazardous Location Certified: The 1797-PS1E module is certified for use in Class I, Division 2 hazardous locations, ensuring safe operation in environments with flammable gases or vapors.

• Wide Input Voltage Range: It supports an input voltage range of 100-240 VAC, making it versatile for different power supply setups. This flexibility allows for easier integration into various industrial systems.

• Reliable Output Power: The module provides a consistent 24 VDC output with a power rating of 100 W, ensuring that connected devices receive stable and sufficient power for reliable operation.

• Compact Design: The module is designed to occupy minimal space while maintaining durability, making it suitable for installations where space is limited.

• Integrated Overcurrent Protection: The power supply features built-in overcurrent protection to safeguard connected devices from potential damage due to power surges or faults, enhancing system reliability.

Technical Specifications

• Electrical Specifications:

  • Input Voltage Range: 100-240 VAC
  • Input Frequency: 50/60 Hz
  • Input Current: 1.2 A (maximum at 100 VAC)
  • Output Voltage: 24 VDC
  • Output Current: 4.2 A (maximum)
  • Power Rating: 100 W
  • Efficiency: Greater than 85%
  • Transient Response: 1.0 ms

• Mechanical Specifications:

  • Dimensions: 120 mm (H) x 70 mm (W) x 125 mm (D)
  • Weight: 0.8 kg
  • Mounting Method: DIN rail mounting
  • Connector Type: Removable terminal blocks for input/output connections

• Environmental Specifications:

  • Operating Temperature Range: -20°C to 60°C
  • Storage Temperature Range: -40°C to 85°C
  • Relative Humidity: 5% to 95% (non-condensing)
  • Altitude: Up to 2000 meters (6562 feet) above sea level

• Protection Features:

  • Overcurrent Protection: Integrated protection to prevent damage from excessive current
  • Short Circuit Protection: Automatic recovery after a short circuit condition is cleared
  • Thermal Protection: Prevents overheating of the module
  • Input Protection: Fuse protection against input voltage spikes

• Compliance and Certifications:

  • Hazardous Location Ratings:
    • Class I, Division 2, Groups A, B, C, D
  • Standards Compliance:
    • CE Marked
    • UL Listed
    • CSA Certified
    • ATEX Certified for Group II, Category 3

• Safety and Reliability:

  • Isolation Voltage: 1500 VDC (input to output)
  • MTBF (Mean Time Between Failures): Greater than 100,000 hours