we77WE77EX-DW ROTATION SPEED MONITOR PEPPERL+FUCHS di ∙ Promo Pengguna Baru ∙ Bebas Ongkir ∙ Cicilan 0% ∙ Kurir Instan.WE77Ex-1 230V 1-channel Control circuit EEx ia IIC 230 V AC supply voltage Reversible mode of operation Lead breakage (LB) monitoring 1 relay contact output (change-over