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Murray MQJ3125KL - Molded Case 125A 3-Pole Breaker

Siemens
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Murray MQJ3125KL is a three-pole, 125A molded case circuit breaker from the MQJ Series, designed for overcurrent protection in industrial power distribution systems. It operates at 240V with a 42kA interrupting capacity and utilizes thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The unit features a bolt-on connection, weighs 4 lb, and is constructed as a Type MQL breaker for robust performance. It complies with industry standards for safety and reliability in commercial and industrial environments. This breaker is suitable for protecting branch circuits and feeders in panelboards and switchboards requiring 3-phase, 240V service.

Key Features & Specifications
  • Type: MQL Molded Case Circuit Breaker
  • Voltage Rating: 240V
  • Current Rating: 125A
  • 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
  • Item Subcategory: Molded Case


Product Identification
  • UPC: 004089252655
  • GTIN: 00040892526554