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Murray MP2125 - Molded Case Circuit Breaker, 125A 2-Pole

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Murray MP2125 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 125A current rating and a 240V AC voltage rating, housed in a compact plug-in configuration measuring 70mm x 50mm x 70mm (2.756" x 1.969" x 2.756") and weighing 0.705 lb. The breaker is UL Listed and employs a thermal-magnetic trip mechanism with long-time and instantaneous (LI) functions for coordinated protection, capable of interrupting up to 10kA at 240V. Its operational temperature range of -25°C to 70°C (-13°F to 158°F) and compatibility with 1/0 to 2/0 AWG aluminum or 2 to 1/0 AWG copper conductors make it suitable for industrial panelboards, load centers, and commercial distribution equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, MP-T, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 70mm x 50mm x 70mm (2.756" x 1.969" x 2.756")
  • Standards: UL Listed
  • Applications: Industrial Panelboards, Load Centers, Commercial Distribution
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous Trip)
  • Wire Size: 1/0 to 2/0 AWG (Aluminum), 2 to 1/0 AWG (Copper)
  • Certification: UL Listed
  • Family: MP Series
  • Country of Origin: Mexico
  • Weight: 0.705 lb


Product Identification
  • UPC: 040892281194
  • GTIN: 00040892281194