Non Fused Switch Disconnectors, 4 Pole Base ; DIN Rail Mounting, 6mm shaft. Non fused switch disconnectors suitable for a wide range of applications including motor control centres, switchboards and mains switches in various equipment and machines. Easy to install; just clip onto a standard DIN rail Fits on a 6mm shaft On-Off IP55 protection rating Rated insulation voltage: 750V Accessories available: extension shaft, handles, etc.