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Square D Q2M3150MB - Molded Case Circuit Breaker 150A 3P (10kA AIC)

Square D
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Square D Q2M3150MB is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 150A current rating and a 240V AC voltage rating, utilizing a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection. The breaker is constructed as a three-pole, bolt-on unit with a compact design, weighing 4 lb, and is UL-certified for safety compliance. Its 10kA interrupting rating at 240V AC makes it suitable for safeguarding equipment in commercial and industrial panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Q2 Series (Q2M), Thermal Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection Functions: LI (Long-Time and Instantaneous)
  • AIC Rating: 10kA @ 240V AC
  • Certification: UL
  • Weight: 4 lb