The image displays several manual changeover knife switches used to safely transfer an electrical load between two different power sources, such as utility power and a backup generator.
Specifications
- <p>Key features and details include:</p><p>Function: Users manually operate a lever to switch the power supply from one source to another, ensuring the two sources are never connected simultaneously (mechanical interlock).</p><p>Design: The image shows several switches, some gray and some with orange operating handles and bodies. They have exposed metal "knife" contacts that move between connection points.</p><p>Specifications: Text visible on the devices and packaging indicates various current ratings, including 200 AMP ("200 AMP PLLIIA 20") and 225 AMP ("3P 225A"), and a potential brand name, "PLLIIA 200".</p><p>Application: These types of switches are typically used in residential or small commercial settings for non-critical loads, as they require manual operation during an outage. </p>
