Switch disconnector 400 A, Size 3, 3-pole Front operating mechanism left Basic unit without handle flat terminal 3KD switch disconnector up to 1600 A as a high-performance main, EMERGENCY-OFF, or repair switch. Switch disconnectors from Siemens offer reliable operator protection and ensure high system availability in industry, infrastructure, and buildings. They can be used in many ways and are suitable for wind and solar power plants. The main, EMERGENCY-OFF, or repair switches 3KD are available in different versions with variable connection and drive types. Versions for DC applications are also available. End-to-end safety for users and systems.

The Siemens Switch Disconnector, part of the reliable SENTRON series, is a high-performance 3-pole isolator designed for industrial, commercial, and infrastructure applications. With a 160A/ 200A/ 250A/ 315A/400A rating and front operating mechanism, it offers superior operator safety and system reliability. Ideal as a master, EMERGENCY OFF, or maintenance switch, this switch disconnector ensures efficient electrical isolation, compatibility with low-voltage circuits, and easy retrofitting with accessories for expanded functionality.

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