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Siemens Q21545CT - Molded Case Breaker 45A 240V

Siemens
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Siemens Q21545CT is a 2-pole molded case circuit breaker from the Q Series family, designed for thermal magnetic overcurrent protection in residential and light commercial applications. It is rated for 45A at 240V AC with a 10kA interrupting capacity, providing LI (Long-Time and Instantaneous) trip functions for reliable fault clearing. The unit features a plug-in connection, measures 2.563 x 2.00 x 3.122 inches, and weighs 0.772 lb, with a compact construction suitable for single-phase panelboards. This breaker complies with industry standards for safety and performance, manufactured in Mexico. Typical applications include branch circuit protection in load centers and distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 2.563 x 2.00 x 3.122 inch
  • Standards: Industry standard compliance
  • Applications: Branch circuit protection in residential and light commercial panels
  • Poles: 2
  • Connection: Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 10kA@240V
  • Phase: 1
  • Weight: 0.772 lb
  • Family: Q Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643110113
  • GTIN: 00783643000000