This unlatch coil for mechanically held 8903 SM and 8903 SP lighting contactors can be easily replaced. By changing out the coil, the lighting contactor can be unlatched with a different voltage. This will also save the cost of a whole new contactor if the unlatch coil were to fail. This coil is used in 8903SM and 8903SP mechanically held lighting contactors. This coil is rated for 110/120 VAC 50/60 Hz. The inrush power of this coil is 80 VA. Coil has screw clamp connections.