The Eaton XTOB057DC1 is a robust 3-pole overload relay designed for reliable motor protection. Featuring an XTO frame type and direct mounting, this relay offers a current rating of 40-57 Amps and is compatible with 50-72A contactors. It is built to meet stringent international standards, ensuring safety and performance in various industrial applications. With a 1 NO, 1 NC contact configuration, it provides essential control and signaling capabilities.The Eaton XTOB057DC1 is a 3-pole IEC bimetallic overload relay with an overload range of 40-57 Amps. It has a voltage rating of 600VAC and features an XTO frame type. The relay is designed for direct mounting and is intended for use with 50-72A contactors. It includes a 1 Normally Open (NO) and 1 Normally Closed (NC) contact configuration. The product meets various certifications including CE, ATEX, UL, CSA, IEC, and EN, and complies with RoHS standards. Its physical dimensions are 3.12 inches in height, 2.36 inches in width, and 4.02 inches in depth, with a weight of 0.5 lb. The operating temperature range is -13 to 131°F.