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Murray MP245 - Molded Case 45A 2-Pole (10kA AIC)

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Murray MP245 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 45A current rating and a 240V AC voltage rating, housed in a compact plug-in configuration measuring 2.756 x 1.969 x 2.756 inches and weighing 0.551 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection, offers an interrupting capacity of 10kA at 240V, and operates within a temperature range of -25 to 70 °C (-13 to 158 °F). This unit is typically applied in industrial and commercial panelboards for branch circuit protection.

Key Features & Specifications
  • Type: MP-T Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 45A
  • Dimensions: 2.756" H x 1.969" W x 2.756" D (70mm x 50mm x 70mm)
  • Standards: Designed for compliance with relevant UL and IEC standards
  • Applications: Industrial and commercial panelboards, branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • Amperage: 45A
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Weight: 0.551 lb


Product Identification
  • UPC: 040892519402
  • GTIN: 00040892519402