CQY80X, CQY80NX CQY80, CQY80N OPTICALLY COUPLED I.
ETC
CQY80X - OPTICALLY COUPLED ISOLATOR PHOTOTRANSISTOR OUTPUT
CQY80X, CQY80NX CQY80, CQY80N OPTICALLY COUPLED ISOLATOR PHOTOTRANSISTOR OUTPUT APPROVALS l UL recognised, File No. E91231 'X' SPECIFICATION APPROVA.