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What is it?

The Tyco EXI800 MX I.S. Loop Interface is a specialized module that enables communication between an MX fire alarm panel and intrinsically safe (I.S.) devices, such as 800Ex smoke detectors, IF800Ex interface modules, and CP840Ex addressable manual call points. This device reduces the standard supply voltage and signaling currents of the MX loop to levels that are safe for use in hazardous (explosion-risk) environments.

How does it work?

The EXI800 module acts as a galvanic isolator and voltage regulator, allowing the fire alarm panel to receive signals from and send signals to intrinsically safe equipment without the risk of sparking. This ensures compliance with strict safety standards for explosive atmospheres. The module is designed for easy integration into existing MX systems while maintaining full fire system functionality.

What problems does it solve?

In hazardous environments such as chemical plants, refineries, and marine installations, standard detectors and interfaces cannot be used directly due to the risk of sparks causing explosions. The Tyco EXI800 MX I.S. Loop Interface ensures that intrinsically safe devices can safely communicate with the fire alarm panel, minimizing risks of fire or explosions and thereby guaranteeing the safety of personnel and installations.