Here’s an interesting introduction to Reed Relays, Mercury Displacement Relays, Contactors, Polar Relays, Latching Relays, T-Bar Relays, Time Delay Relays, and Stepping Relays. Here’s an interesting ...
Latching relays latch mechanically or magnetically so you don’t have to maintain current running through the coil to keep them on. Latching relays latch mechanically or magnetically so you don’t have ...