The MTL 8910-PS-DC is a power supply unit manufactured by MTL Instruments, part of the Cooper Crouse-Hinds group. It is designed for use in hazardous areas and industrial environments, providing reliable power to intrinsically safe (IS) circuits. Below are the typical technical parameters for the MTL 8910-PS-DC:

General Specifications

• Input Voltage (AC):
  • 100-240V AC, 50/60 Hz (wide range input).
• Output Voltage (DC):
  • 24V DC (typical, but may vary depending on configuration).
• Output Current:
  • Up to 1.5A (1500 mA) depending on the model and configuration.
• Power Rating:
  • Typically around 36W (24V DC @ 1.5A).
• Efficiency:
  • High efficiency, typically > 85%.
• Isolation Voltage:
  • Input to output: 1500V AC (1 minute).
  • Input to ground: 1500V AC (1 minute).
  • Output to ground: 1500V AC (1 minute).

Environmental Specifications

• Operating Temperature Range:
  • -20°C to +60°C (-4°F to +140°F).
• Storage Temperature Range:
  • -40°C to +85°C (-40°F to +185°F).
• Humidity:
  • 0-95% RH (non-condensing).
• Enclosure Rating:
  • Typically IP20 (suitable for indoor use).

Safety and Compliance

• Certifications:
  • ATEX, IECEx, and other regional certifications for use in hazardous areas.
  • Complies with IEC 60079-11 for intrinsic safety.
• Protection Features:
  • Overvoltage protection.
  • Overcurrent protection.
  • Short-circuit protection.
  • Thermal shutdown.

Mechanical Specifications

• Dimensions:
  • Typically 22.5 mm (width) x 99 mm (height) x 114 mm (depth).
• Weight:
  • Approximately 0.5 kg (varies by model).
• Mounting:
  • DIN-rail mountable (TS35/7.5 or TS35/15).

Applications

• Hazardous Areas:
  • Provides power to intrinsically safe barriers and isolators in Zone 1, Zone 2, and Division 1/2 hazardous areas.
• Industrial Automation:
  • Used in process control systems, PLCs, and other industrial equipment requiring reliable DC power.
• Oil & Gas, Chemical, and Petrochemical Industries:
  • Suitable for harsh environments with explosive atmospheres.

Wiring and Connections

• Input Terminals:
  • AC input terminals for 100-240V AC.
• Output Terminals:
  • DC output terminals for 24V DC.
• Terminal Type:
  • Screw terminals for secure connections.