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Square D 992140 - Molded Case Breaker 40A 120V

Square D
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Square D 992140 is a molded case circuit breaker from the 99 Series, designed to provide overcurrent protection in single-pole electrical systems. It features a 40A current rating and a 120V voltage rating, utilizing thermal magnetic protection with LI (Long-Time and Instantaneous) functions. This bolt-on breaker weighs 1 lb and is constructed as a single-phase, single-pole unit with a 10kA interrupting capacity at 277V. It complies with industry standards for molded case circuit breakers in residential and light commercial installations. Typical applications include branch circuit protection in panelboards and load centers.

Key Features & Specifications
  • Type: Molded Case
  • Family: 99 Series
  • Type: 992
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 120V
  • Current Rating: 40A
  • Poles: 1
  • Phase: 1
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@277V
  • Weight: 1 lb