8903S lighting contactors are for lighting control applications. 8903S lighting contactors are available in either mechanically held or electrically held versions. This is a mechanically held device. This contactor is designed to switch 300 amperes. This 3 pole device has 3 normally open contacts. Replacement contact kits are available for this lighting contactor. Interchangeable coil is available in a wide variety of common voltages up to 600 VAC. Contactor is supplied with a 110/120 VAC 50/60 Hz coil. This lighting contactor is an open device without an enclosure. contactor is 12.31 inches tall, 8.66 inches wide and 10.50 inches deep. A wide variety of accessories are available for Type S lighting contactors. 8903S lighting contactors are UL Listed and CSA Certified.