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Thomas & Betts TB140 - Molded Case 40A 240V

Thomas & Betts
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Thomas & Betts TB140 is a 1-pole molded case circuit breaker from the TB Series designed for overcurrent protection in electrical distribution systems. It operates at 240V with a 40A current rating and provides thermal magnetic protection through LI (Long-Time and Instantaneous) trip functions. The unit features a plug-in connection, weighs 2 lb, and is rated for 1-phase applications with an interrupting capacity of 10kA at 120V. This breaker complies with industry standards for molded case circuit breakers and is suitable for use in residential and light commercial panelboards.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic
  • Voltage Rating: 240V
  • Current Rating: 40A
  • Poles: 1
  • Phase: 1
  • Connection: Plug-In
  • AIC Rating: 10kA@120V
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 2 lb
  • Family: TB Series
  • Item Subcategory: Molded Case