Electromechanical all-or-nothing relays - Part 54: Blank detail specification; Electromechanical all-or-nothing telecom relays of assessed quality; Two change-over contacts, 15 mm x 7,5 mm base (IEC 61811-54:2002); German version EN 61811-54:2002— 31 стр.
Electromechanical elementary relays of assessed quality - Part 10: Sectional specification; Relays for industrial application (IEC 61811-10:2002); German version EN 61811-10:2003— 24 стр.
Electromechanical all-or-nothing relays - Part 53: Blank detail specification; Electromechanical all-or-nothing telecom relays of assessed quality; Two change-over contacts, 14 mm x 9 mm base (IEC 61811-53:2002); German version EN 61811-53:2002— 31 стр.
