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Thomas & Betts 2521 - Heater Element 1250A 690V

Thomas & Betts
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Thomas & Betts 2521 is a solid-state heater element designed for motor control protection, providing LSI (Long-Time, Short-Time and Instantaneous) functions to safeguard against overloads and short circuits. It is rated for 690V and 1250A, with a 50kA interrupting capacity at 415V, and operates on a 3-phase system. This bolt-on component weighs 0.15 lb and features a 3-pole configuration, manufactured in Canada. It complies with UL E13938 and CSA standards. Typical industrial applications include protecting large motors and feeders in heavy-duty manufacturing and process control environments.

Key Features & Specifications
  • Type: Solid-state heater element with LSI protection
  • Voltage Rating: 690V
  • Current Rating: 1250A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC rating: 50kA@415V
  • Phase: 3
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Certification: UL E13938, CSA
  • Country of Origin: Canada
  • Weight: 0.15 lb


Product Identification
  • UPC: 786210025216
  • GTIN: 0786210025216