The STRUTHERS-DUNN B255BXBP-24VDC is a dual coil latching plug-in relay ideal for applications where memory functionality is crucial. When the operate coil is energized, the relay contacts move to an energized position and remain there even after the power is removed. A separate reset coil provides electrical reset of the contacts. This design eliminates the need for continuous power to maintain the relay's state, saving energy and simplifying circuit design. The relay is suitable for industrial control systems, power supplies, and other applications requiring reliable and efficient switching.