Rotary drive, red/yellow 66x66 mm front mounting, central hole mounting 22.5 mm for shaft 6x6 mm, accessory for load disconnector 3LD3 Main and EMERGENCY STOP switch SENTRON 3LD3 for the safe switching off of loads in many areas, e.g. for three-phase motors, air conditioning and ventilation systems, in control or switch cabinets, especially for small machines such as saws, compressors, pumps, concrete mixers, drilling machines, milling machines or woodworking machines. Modular design, quick and easy installation of auxiliary switches, N-PE terminal or 4th pole. Optimum mains isolation from 16 A to 63 A thanks to the lockable rotary drive. Versatile thanks to international approvals. One mechanical size for five electrical sizes. The 3LD main and EMERGENCY STOP switches are available in a wide variety of versions for front mounting, mounting plate, top hat rail or distribution board installation, optionally with direct or door coupling rotary drive. Versions for DC applications are also available for 3LD2. Main and EMERGENCY STOP switches 3LD - Consistent safety for users and systems.