Standard push button control with a weatherproof NEMA 4X enclosure. Also includes heavy duty positive AC rectified disc brake and nylon mesh chain container. Durable powder coat finish. Meets ANSI B30.16 standards. Made in the USA. Specify (01) 115/230V 1 phase. (02) 230/460V, 3 phase.If you need a large quantity of this product, call us at 1-800-338-1382 for additional bulk discounts!