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Cutler Hammer XTOB057DC1 - Thermal Overload Relay 40-57A

Cutler Hammer
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Cutler Hammer XTOB057DC1 is a thermal overload relay from the XT Series, designed to protect motors from overcurrent conditions by monitoring heat buildup. It operates with a current rating adjustable from 40 to 57 amperes and is rated for use in AC/DC control circuits. The relay measures 4.02 inches in depth, 3.12 inches in height, and 2.36 inches in width, weighing 0.5 lb, and features a compact, durable construction suitable for industrial environments. It complies with relevant industry standards for motor protection and is rated for operation in temperatures ranging from -13 to 158 °F (-25 to 70 °C). This overload relay is typically applied in industrial motor control centers, conveyor systems, and pump controls to prevent thermal damage.

Key Features & Specifications
  • Type: Thermal Overload Relay
  • Voltage Rating: AC/DC
  • Current Rating: 40–57 A
  • Dimensions: 4.02 in x 3.12 in x 2.36 in (L x H x W)
  • Weight: 0.5 lb
  • Standards: Industry motor protection standards
  • Applications: Motor control centers, conveyors, pumps
  • Relay Style: Thermal
  • Amperage Minimum: 40
  • Amperage Maximum: 57
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Family: XT Series
  • Type: XTOB


Product Identification
  • UPC: 01508278459
  • GTIN: 04015082784591