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General Electric 81D543 - Heater Element for Motor Protection (4.03-4.43A FLA)

General Electric
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⚡ Product Branding Information

Some General Electric products may now ship with ABB branding due to ABB’s acquisition of GE Industrial Solutions.

Depending on the manufacturing date or production batch, the item or packaging may display either GE or ABB branding.

Unless otherwise noted, these products are considered equivalent in form, fit, function, and specifications.

Please contact our team before placing your order if brand labeling or packaging is critical for your application.

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General Electric 81D543 is a motor control heater element designed for overload protection in industrial motor starters. It operates within a full load current range of 4.03 to 4.43 amps to provide precise thermal protection for connected motors. This 81D Series component is constructed as a durable, replaceable heater element with a weight of 10 lb, built for integration into specific motor starter frames. It complies with relevant industrial standards for motor protection devices. Typical applications include safeguarding three-phase induction motors in machinery, pumps, and conveyor systems.

Key Features & Specifications
  • Type: Heater Element, 81D Series, replaceable thermal overload unit
  • Item Subcategory: Heater Element
  • Family: 81D Series
  • Full Load Amp Minimum: 4.03 A
  • Full Load Amp Maximum: 4.43 A
  • Weight: 10 lb