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Square D Q2M3175MB - Molded Case Circuit Breaker 175A 3P

Square D
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Square D Q2M3175MB is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 175A current rating and a 240V AC voltage rating, engineered to interrupt up to 10kA of fault current. The three-pole, bolt-on thermal-magnetic breaker offers LI (Long-time and Instantaneous) protection functions within a compact, 4 lb unit. It is UL-certified for safety and compliance, making it suitable for integration into panelboards and switchgear for motor control and power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Q2 Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: LI (Long-time and Instantaneous)
  • AIC Rating: 10kA @ 240V AC
  • Phase: 3
  • Certification: UL
  • Weight: 4 lb
  • Family: Q2 Series
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer Part Number: Q2M3175MB