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Cutler Hammer AA43AB - Thermal Overload Relay 19-135A

Cutler Hammer
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Cutler Hammer AA43AB Motor Control is a thermal overload relay from the A200 Series, designed to protect AC motors from sustained overcurrent conditions by monitoring current and tripping when heat buildup exceeds safe limits. This Type A relay operates with an adjustable amperage range of 19 to 135 amps, ensuring compatibility with a variety of motor sizes and load requirements. Physically, it measures 8.2 inches in length/depth, 5.2 inches in height, and 6 inches in width, weighs 2.2 lb, and is constructed for robust industrial environments. It is UL Listed and CSA Certified, meeting stringent safety and performance standards for North American electrical systems. Typical applications include protecting motors in conveyors, pumps, compressors, and other heavy machinery within manufacturing, processing, and utility facilities.

Key Features & Specifications
  • Type: Thermal overload relay, A200 Series, Type A
  • Voltage Rating: Not specified
  • Current Rating: 19 to 135 A (adjustable)
  • Dimensions: 8.2 in x 5.2 in x 6 in (Length/Depth x Height x Width)
  • Standards: UL Listed, CSA Certified
  • Applications: Motor protection in industrial machinery, conveyors, pumps, compressors
  • Relay Style: Thermal
  • Amperage Minimum: 19
  • Amperage Maximum: 135
  • Weight: 2.2 lb
  • Country of Origin: United States


Product Identification
  • UPC: 78667882270
  • GTIN: 00786678822709