we77WE77Ex-1 115V 1-channel Control circuit EEx ia IIC 115 V AC supply voltage Reversible mode of operation Lead breakage (LB) monitoring 1 relay contact output (change-over2 Subject to reasonable modifications due to technical advances. Copyrht Pepperl+Fuchs, Printed in Germany Pepperl+Fuchs Group • Tel.: Germany +49-621-776-0