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Cutler Hammer AA43P - Thermal Overload Relay 19-135A

Cutler Hammer
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The Cutler Hammer AA43P is a Type A thermal overload relay from the A200 Series, designed to protect AC induction motors from sustained overcurrent conditions by monitoring motor current and tripping a control circuit. This relay operates with an adjustable amperage range from 19 to 135 amps, ensuring compatibility with a wide variety of motor sizes and load requirements. Physically, it measures 8.3 inches in depth, 5 inches in height, and 6.1 inches in width, weighing 2.4 pounds, and is constructed with a thermal relay style for reliable, bimetallic-based operation. The device is UL Listed and CSA Certified, meeting stringent North American safety and performance standards for industrial electrical equipment. Typical applications include motor control centers, conveyor systems, pumps, and other heavy machinery requiring dependable overload protection in manufacturing and processing environments.

Key Features & Specifications
  • Type: A200 Series Thermal Overload Relay
  • Voltage Rating: Not specified
  • Current Rating: 19 to 135 Amps (adjustable)
  • Dimensions: 8.3 in x 5 in x 6.1 in (Length/Depth x Height x Width)
  • Standards: UL Listed, CSA Certified
  • Applications: Motor protection in industrial control systems
  • Relay Style: Thermal
  • Amperage Maximum: 135
  • Amperage Minimum: 19
  • Weight: 2.4 lb


Product Identification
  • UPC: 78667862857
  • GTIN: 00786678628578