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Square D Q1245 - 45A 2-Pole Plug-In Breaker (240V)

Square D
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Square D Q1245 Circuit Breaker - 45A 2-Pole Plug-In Thermal Magnetic The Square D Q1245 is a 45-amp, 2-pole molded case circuit breaker from the Q1 Series, designed to provide long-time and instantaneous (LI) protection against overloads and short circuits. It operates at 240V AC with a 10kA interrupting capacity at 240V, utilizing a thermal magnetic trip mechanism for reliable overcurrent protection. This plug-in breaker weighs 2 lb and is constructed for single-phase applications, featuring a compact design for seamless integration into compatible load centers and panelboards. It complies with industry standards for industrial and commercial electrical distribution systems, ensuring dependable performance in branch circuit protection. Typical applications include lighting, appliance, and motor control circuits in manufacturing facilities, commercial buildings, and other industrial environments.

Key Features & Specifications
  • Type: Q1 Molded Case Circuit Breaker
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Poles: 2
  • Connection: Plug-In
  • Protection: Thermal Magnetic (LI - Long-Time and Instantaneous)
  • AIC Rating: 10kA@240V
  • Phase: 1
  • Weight: 2 lb
  • Family: Q1 Series
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • UPC: Not available
  • GTIN: Not available