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-overWE77EX-DW ROTATION SPEED MONITOR PEPPERL+FUCHS di ∙ Promo Pengguna Baru ∙ Bebas Ongkir ∙ Cicilan 0% ∙ Kurir Instan.