Sicherungssockel H1 DR1 400 is a backup base for a 1P Sicherungstrennschalter with the NT2 RS33 socket. It forms the H1 base in the DR1 400 family and is available in a 3P version as H1(DR1)400/3P for three phase installations. Why you need it - Provides a secure, standard isolation point in electrical cabinets - Modular and upgradeable from 1P to 3P by using the H1(DR1)400/3P base - Compact, durable design that fits tight panel spaces and simplifies mounting - Supports fast, reliable maintenance with a dedicated base Key attributes - Function: one pole Sicherungstrennschalter base - Compatibility: NT2 RS33 socket; H1 DR1 400 family; 1P and 3P configurations - Size: compact base suitable for panel mounting - Material/build: robust construction for continuous operation - Performance: stable isolation and dependable operation Applications - Control panels for conveyors and other factory equipment requiring safe single feeder shutdown - Machines in packaging or automation lines needing easy maintenance with a replaceable base - Distribution cabinets that provision 1P by default and can upgrade to 3P using the H1(DR1)400/3P base