The key specifications of the Compressor SZ185 -4RG are — Compressor Type: SZ; Nominal tons 60Hz: 15TR; Nominal Cooling Capacity: 43100W & 147100 Btu/h; Max.operating current: 35 A. These specifications are based on the standard GEM Equipments design; always verify against your machine's requirement before use. GEM Equipments Pvt. Ltd. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu.