Impulse relays and contactors both switch lighting circuits, but coil power, control wiring and LED inrush sizing decide which device actually belongs in the...

An impulse relay latches on a momentary pulse and holds its state with no coil current. Here is how bistable switching works, and how it differs from a conta...

The pillar guide to impulse and latching relays: bistable mechanism, standards, contact ratings, LED inrush sizing, control wiring, Schneider Acti9 iTL vs AB...