Rotary drive, black operating knob, for four-hole front mounting, for 160A and 250A, accessory for main and emergency stop switch 3LD23/24 The main and emergency stop switch 3LD as a repair switch for the safe shutdown of loads in a wide variety of environments. The possible uses of the 3LD mains disconnection devices are diverse. After mains disconnection, they ensure the safe disconnection of all electrical equipment, for example switching three-phase motors, but also air conditioning and ventilation systems. 3LD have proven themselves in many areas, particularly in processing machines in mechanical and conveyor engineering, in the chemical or food and beverage industries. The Siemens 3LD main and emergency stop switches are characterized by: 1. Modular design, quick and easy installation of auxiliary switches, N-PE terminal or 4th pole. 2. Versatile and can be used worldwide thanks to international IEC, UL and shipbuilding approvals. 3. Protection class up to IP 65 with encapsulated housing for outdoor applications. 4. Can be used for direct current applications. 5. Mounting types: front mounting, mounting plate, top hat rail. 6. Optimum mains isolation from 16 A to 250 A thanks to the ability to lock the rotary drive. www.siemens.de/schaltgeraete. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.
