we77WE77-EX2 - Free download as PDF File (.pdf), Text File (.txt) or read on for free. Transformer isolated barrier transfers dital snals into hazardous areas. SensorsPepperl + Fuchs WE 77EX-2 PEPPERL + FUCHS SWITCH AMPLIFIER, 198-253VAC, 45-65HZ, 2-CHANNEL, SCREW TERMINALS, IP20 part of Zener Barriers, distributed by Kempston