상황
User needs a schematic for a two-coil latching relay that consumes power only during state change.
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01
Use two separate coils for set and reset operations
02
Momentary push buttons allow brief energization of each coil
03
Load is connected via a normally-open contact that mechanically latches after the set pulse
When designing control circuits that require a relay to maintain state without continuous coil power, such as in battery-powered devices or industrial controls.