What is the primary function of a Solon Switch?

The primary function of a Solon Switch is to disconnect equipment during maintenance. This device is crucial for ensuring safety in electrical systems, as it provides a reliable means to isolate electrical equipment from the power source. When maintenance is required, it is essential to ensure that the equipment is de-energized to protect workers from electrical hazards.

The Solon Switch achieves this by allowing operators to physically disconnect the power, ensuring that no current can flow through the circuit while maintenance is taking place. This is a vital safety procedure in substation operations, as it helps prevent accidents and injuries. Understanding this function is critical for apprentices, as safety protocols in electrical work are paramount.

In contrast, while the other options describe various functions relevant to electrical systems, they are not applicable to the function of a Solon Switch. For instance, regulating voltage levels in capacitor banks primarily involves different types of voltage regulation equipment, and differential pressure monitoring relates to system pressures rather than electrical disconnection. Similarly, alarm indications are usually initiated through different types of monitoring and control systems, so they do not align with the main role of a Solon Switch.