Delta Surface IP44 Surface-Mounted Control Switch for Switching Circuits, with Window and LED 10A 250V, 66x75mm. Delta switches and sockets - design and quality in perfection from Siemens. Our Delta Surface IP44 surface-mounted program offers an appealing design, increased safety, and easy operation. This ensures that electrical installations stay 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 safe and efficient electrical infrastructure in buildings and industry.