Siemens Class 14 Heavy Duty Starters Designed for across the line starting of single phase and polyphaser motors. All Siemens Heavy Duty controls comply with applicable NEMA and UL tests. NEMA starters are ideal for applications requiring dependability and durability. Typical applications include use with machine tools, air conditioning equipment, material handling equipment, compressors, hoists and various production and industrial equipment as well as in demanding automotive applications. 14HUG320H: Non-reversing motor starter, Size 3, Three phase full voltage, Solid-state overload relay, amp range 25-100A, 380 440/440 480V 50/60HZ coil, Non-combination type, Enclosure type 12, Dust/drip proof for indoors, Standard width enclosure NOTE: is the only Authorized Seller on the Marketplace for this product