PM Ex e Control Units: Panel Mount Components for Hazardous Areas

PM Ex e: Explosion-Proof Modules for Panel Mounting (Panel Mount)

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The PM (Panel Mount) series from Pepperl+Fuchs offers individual explosion-proof control and indication elements designed to be built directly into existing housings, cabinets, or operator panels that already feature Increased Safety (Ex e) or Flameproof (Ex d) protection.

These modules are key to creating customized, functional, and compact control panels in hazardous areas (Zone 1, Zone 2, Zone 21, Zone 22), allowing the operator to safely interact with the process.

Key Features and Ex e Protection

PM modules provide a reliable and flexible interface while maintaining the explosion protection integrity of the entire system:

1. Ex e Principle (Increased Safety):

   • Certified Components: Each PM element (e.g., pushbutton or indicator) is individually certified as an Ex e component. This guarantees that it will not generate sparks or overheat when installed in a suitable Ex e enclosure.

   • Simple Installation: The modules are designed for fast and reliable "panel mount" installation while ensuring the necessary enclosure protection rating is maintained (typically IP66 or higher).

2. Configuration Flexibility:

   • Custom Design: Using PM modules allows engineers to create unique control panels by selecting only the necessary functions (pushbuttons, switches, indicators) and their optimal layout.

   • Versatility: The modules are suitable for mounting into Polyester (GRP), Stainless Steel, or Aluminum enclosures.

PM Module Range

The PM series includes all necessary components for a complete control interface:

• Control Elements: Explosion-proof pushbuttons (normally open/normally closed), Emergency Stop (E-Stop) buttons with Pull/Twist to Release mechanism, and key switches.

• Light Indication: LED pilot lights of various colors and voltages for clear display of process status.

• Additional Components: Voltmeters, ammeters, and other measuring instruments certified for use in the hazardous area.

Official Partner in Ukraine — CSC-Automation LLC

CSC-Automation LLC offers a full range of PM Ex e control modules for panel mounting. Contact our specialists for the selection of certified components that are perfectly suited for your custom explosion-proof control panel.