Patent ID: 7800881

Claim:
A protective plug for a connection module, comprising: at least one surge arrester, a housing within which the surge arrester is mounted, at least two connection contacts mounted in the housing, and at least one ground contact mounted in the housing, wherein, via the connection contacts, the surge arrester is connected to planar connection contacts of a connection module at a front of the housing, and wherein, via the ground contact, an electrical connection is produced between the surge arrester and a grounding rail arranged below the connection module, wherein the surge arrester is arranged on a printed circuit board, and wherein the connection contacts are in the form of twin fork contacts, each twin fork contact having a first fork that connects to the printed circuit board and a second fork that connects to one of the planar connection contacts of the connection module, the twin fork contacts being formed with a stop, which stops at a stop edge in the housing.