Installation unit for installing circuit breakers or residual current devices in device installation ducts. With 1 top hat rail 3 TE. Terminal blocks for N and PE on top hat rails fully wired with 6mm. The installation unit is pre-wired and ready for connection. The cable cross-section is 6 mm. 2 cable glands type V-Tec M20 are included in the scope of delivery for cable entry.