The Eaton NSB DH366FRK Safety Switches are electrical safety disconnect devices in Eaton’s NSB family, with DH366FRK as the identifying model. They provide a manual means to interrupt a circuit for maintenance, service work, and safety procedures in electrical installations. The listing confirms the exact model and series, helping buyers verify they are selecting the correct NSB DH366FRK unit for their Eaton-based systems.
