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Siemens MQJ380KL - Molded Case Breaker 80A 240V 3-Pole

Murray
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Siemens MQJ380KL is a three-pole molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It provides thermal-magnetic protection with LI (Long-Time and Instantaneous) functions, rated for 80A at 240V AC with a 42kA interrupting capacity. This bolt-on breaker weighs 4 lb and is part of the MQJ Series with an MQL type designation, featuring a compact molded case construction for panelboard installation. It complies with applicable UL and industry standards for reliable circuit protection. Typical applications include branch circuit protection in lighting panels, motor control centers, and switchboards requiring 3-phase, 240V service.

Key Features & Specifications
  • Type: MQL Molded Case Circuit Breaker, Thermal Magnetic, Bolt-On
  • Voltage Rating: 240V AC
  • Current Rating: 80A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 42kA@240V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Weight: 4 lb
  • Family: MQJ Series
  • Manufacturer: Siemens
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 004089253124
  • GTIN: 00040892531244