This box segregates switches from other components to avoid negative interferences. It can be mounted onto the 19" profiles exactly where required. Opening for up to 22 modules (18 mm). With our central electrical units and power boards, we offer individual power distribution solutions for mobile machines and commercial vehicles. In doing so, we apply our 30 years of know-how, which we have implemented in numerous projects for different industries - for example in the form of: For. Description: For circuit breakers, switches or sockets installed in racks. Cable entrance in the rear 400 x 35 mm fitted. Submit your requirements or design draft to us, and we'll provide a free design and deliver a high-quality prototype in just 15 days – ensuring your project stays on schedule with speed and precision. SMART DISTRIBUTION BOXES FOR FLEXIBLE BUILDINGS. Wieland is your. Safe and convenient, durable and easy to install, they're the simple way to split primary power circuits into secondary circuits — or provide fixed-junction tap-off points. Mersen's comprehensive line of PDBs includes open style and enclosed blocks in a wide range of configurations.