PCB relay with positively guided contacts according to EN 50205: 2002 Type B with 2 changeover contacts (According to EN50205: 2002 as positively driven contacts may only BE USED AS OPEN contact & 11-12 & 21-24 or 21-22 & 11-14 closed contact. Separate arrangement of neighboring contacts. Coils for DC " Protective separation between coil & contact set according to VDE 0106, EN 50178, EN 50178, EN 60204 & EN 60335th