Delta Surface IP44 Surface-Mounted Socket with Label Field and Flip Cover. Our Delta Surface IP44 surface-mounted program offers an appealing design, enhanced safety, and easy operation. This ensures that the electrical installation stays dry. The Siemens Delta Surface IP44 surface-mounted program provides the following advantages: 1. The thermoplastic housings are break and impact resistant. 2. Tool-free terminals for switch and socket inserts. 3. Insulated release levers ensure touch protection. 4. Easy disconnection of conductors by pressing a button, even without tools. 5. All terminals are designed as double terminals. Siemens offers a comprehensive portfolio of protection, switching, measuring, and monitoring devices, distribution systems, as well as switches and sockets for a safe and efficient electrical infrastructure in buildings and industry.