Robust surface-mounted protective contact socket outlet made of durable and weather-resistant, glass-fibre reinforced thermoplastic. The hinged cover is lockable and each socket has the same lock. The socket is IP54 splash-proof and offers additional protection against dust. Furthermore, it is resistant to chemicals and elevated temperatures and at the same time has a high impact strength (IK05). Up to three cables can be routed through the sealing diaphragm both above and below the switch.