8903L multipole lighting contactors are for lighting control applications. 8903L lighting contactors are available in either mechanically held or electrically held versions. This is an electrically held device. Can switch up to 30 A fluorescent and 20 A tungsten lighting loads. The contacts are field convertible from NO to NC. This device 10 pole device has 10 NO contacts. Supplied with a 110/120 VAC 50/60 Hz interchangeable operating coil but other coils are available in a wide variety of common voltages up to 600VAC. Contactor is in a NEMA 1 painted sheet steel enclosure, but a variety of other enclosure types are available. Coil and contacts are easily replaced. Enclosure is 12.69 inches tall, 7.81 inches wide and 6.03 inches deep. 8903L lighting contactors are UL Listed and CSA Certified.