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The Pepperl+Fuchs KFA5-SR2-Ex2.W is a 2-channel isolated barrier switch amplifier designed for safe and reliable signal transmission from hazardous areas to safe areas. Engineered for use with dry contacts or NAMUR sensors, this unit ensures precise switching while maintaining full galvanic isolation between input, output, and supply circuits.
Operating on a 115 V AC supply, the KFA5-SR2-Ex2.W is ideal for industrial environments where AC-powered control systems are required. The integrated relay contact outputs provide dependable switching to PLCs and control systems, while built-in Line Fault Detection (LFD) enhances system safety by identifying open and short circuit conditions.
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