Load-break switches N.. -.. also meet the isolating properties for earthed IT networks. Accessories such as bridge kits, connection terminals and door coupling rotary handles allow individual installation in a wide variety of distribution systems. Auxiliary switches and voltage releases enable signaling and automation. Notes: Main switch properties including positive operation in accordance with IEC/EN 60204 and VDE 0113. Isolating properties in accordance with IEC/EN 60947-3 and VDE 0660. Contact protection in accordance with VDE 0160 Part 100.