Overhead disconnect-earthing switch RUNp III SA 24/4K 03-040

Safety and reliability in overhead installations

Overhead disconnect-earthing switch RUNp III SA 24/4K is an element designed for the safe mounting of cables and wires on various structures – building walls, poles, stands. Its construction provides a stable and secure connection, minimizing the risk of damage and power supply interruptions.

Construction and operating principle

The disconnect is distinguished by a common base and a single drive for all three poles. This design allows simultaneous switching on and off of all phases, which greatly simplifies operation and increases safety during maintenance or repair work. Mounting is done vertically, thanks to a special mounting structure to the pole leg. Each pole is supported by two supporting insulators – one attached to the base, the other to the movable bearing beam. This solution ensures smooth operation of the mechanism and long-term reliability.

Current path and components

The current path of each pole consists of main contacts and auxiliary (arcing) contacts. These elements are mounted on supporting cassettes, which directly adhere to the supporting insulators. This configuration minimizes energy losses and ensures optimal conductivity parameters. The construction allows easy access to individual elements during inspections and possible repairs.