MTL4755AC MTL Brand - RTD Safety Barrier

MTL4755ac 3-Channel RTD Barrier for Hazardous Areas

The MTL4755ac delivers precise temperature measurement protection in explosive environments. This advanced barrier provides three isolated channels in a single compact module. It ensures accurate RTD signal transmission while maintaining intrinsic safety standards. The unit offers matched resistance and excellent temperature tracking for reliable performance.

Core Technical Specifications

• The barrier provides three fully isolated channels per module.
• It features matched end-to-end resistance of 18Ω ±0.15Ω.
• The unit maintains excellent temperature tracking of ±0.15Ω.
• It operates with maximum 2.3V DC voltage per channel.
• Each channel has 100mA fused protection for safety.
• The barrier dissipates only 0.23W per channel for efficiency.

Industrial Applications

• Essential for process heaters in chemical plant operations.
• Ideal for tank temperature monitoring systems in storage facilities.
• Critical for pipeline freeze protection circuits in oil and gas.
• Perfect for reactor vessel thermal control systems.
• Reliable for HVAC equipment in explosive atmospheres.

Installation Advantages

• A single module handles complete 3-wire RTD systems.
• The design requires no external power supply for operation.
• It supports direct DIN rail mounting for easy installation.
• The unit features color-coded terminal blocks for simple wiring.
• It has a compact 12.5mm width per channel for space savings.

Performance Benefits

• The barrier provides near-zero temperature drift for accuracy.
• It ensures minimal signal distortion during transmission.
• The unit features automatic bridge compensation technology.
• It includes built-in intrinsic safety barriers for protection.
• The barrier works with both Pt100 and Pt1000 temperature sensors.

Compatibility & Certification

• The unit carries full hazardous area certification for safety.
• It is approved for Zone 0 and Division 1 areas.
• The barrier meets international intrinsic safety standards.
• It maintains stable performance across -20°C to +60°C.

Package Contents

• The package includes one MTL4755ac barrier unit ready for use.
• You receive two DIN rail clips for secure mounting.
• A comprehensive installation leaflet provides setup guidance.
• The set contains terminal labels for easy identification.
• Complete safety compliance documentation is included.

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