The 480 V SPDT With 7 Day Skipper Heavy Duty & High Temperature Mechanism 24-Hour Industrial Time Switch is built to handle large areas, such as oil fields. Features a heavy-duty metal dial designed to withstand the most punishing conditions. A new fully encapsulated 480 VAC motor protects the gears from debris. Easy-to-set trippers slide in and out for fast and accurate setting. The skip a day feature allows for user to omit scheduled operations for selected day(s) of the week.