The 255 Series is a two coil latching version of the general purpose type 219 relay. When the operate coil is momentarily energized, the energized position with the power removed from the coil. The ...
Sometimes you may need a group of switches where, if any switch is activated, it deactivates the previously active switch. This Design Idea implements such a function with relays. This “one and only ...
Many varieties of ON/OFF control circuits use some form of flip-flop that responds to a pushbutton switch or other control input. These all have volatile memory and default to an OFF condition if ...
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