KS IEC 61811-55:2010

Electromechanical elementary relays of assessed quality - Part 55: Blank detail specification - Electromechanical all-or-nothing telecom relays of assessed quality -Two change-over contacts, 11 mm x7.

Applicable to electromechanical all-or-nothing telecom relays of assessed quality. Relays according to this standard are provided for the operation in telecommunication applications.