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Murray MP220 - 2-Pole Thermal Magnetic Breaker (20A, 10kA)

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Murray MP220 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase, 240V AC residential and light commercial electrical systems. It features a 20A current rating and a 10kA interrupting capacity at 240V, utilizing a thermal-magnetic trip unit with long-time and instantaneous (LI) functions for coordinated protection against both overloads and short circuits. The compact, plug-in unit measures 12.6" x 3.15" x 3.54" (320 x 80 x 90 mm), weighs 0.529 lb, and is constructed for operation in temperatures from -25°C to 70°C (-13°F to 158°F). It is UL Listed and compatible with 12-8 AWG aluminum or 14-8 AWG copper conductors, making it suitable for branch circuit protection in load centers and panelboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MP-T, Thermal Magnetic Protection with LI (Long-time & Instantaneous) Trip
  • Voltage Rating: 240V AC
  • Current Rating: 20A
  • Dimensions: 12.598 x 3.15 x 3.543 inches (320 x 80 x 90 mm)
  • Standards: UL Listed
  • Applications: Branch circuit protection in residential and light commercial load centers
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Shipping Dimensions: 12.598 x 3.15 x 3.543 inches
  • Phase: 1
  • Voltage: 240V
  • Amperage: 20A
  • AIC rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Wire Size: 12 To 8 AWG Aluminum, 14 To 8 AWG Copper
  • Certification: UL Listed
  • Item Subcategory: Molded Case
  • Family: MP Series
  • Country of Origin: Mexico
  • Weight: 0.529 lb


Product Identification
  • UPC: 040892518948
  • GTIN: 00040892518948