AC mains changeover switch for secure (redundant) supply with 2 supply voltages
Automatic switching between two AC mains supplies (normal mains, emergency mains)
Input 2 x 100...240 VAC
If one mains supply fails a switchover occurs to the other supply within 20 ms; consumers (e.g. air conditioners) are effectively supplied without interruption
Signaling: Mains 1/Mains 2 existent
Designed to mount in the cabinet, fixing on upright