we 77Pepperl+Fuchs Process Automation WE 77EX-2 115V. Switch Isolator, 2 Channel, 1 Form C, OutputChannel, 110-115VAC, 129200. Mfr. Part #: WE 77EXWE 77EX1-115V Sensors & Switches from PEPPERL & FUCHS In Stock, Order Now! Same Day Shipping, 2-Year Warranty, Radwell Repairs - SWITCH AMPLIFIER, 1-CHANNEL, 115