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Square D Q221175AC - Molded Case Circuit Breaker 175A 2-Pole

Square D
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Square D Q221175AC is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 175A current rating and a 240V AC voltage rating, suitable for single-phase applications, and is constructed with a durable thermal-magnetic trip unit offering both long-time and instantaneous (LI) protection functions. The breaker utilizes a compact, plug-in I-Line style connection for two-pole configurations, weighs 4 lb, and is built to interrupt up to 10kA at 240V AC. It complies with relevant industry standards for safety and performance, making it a typical choice for protecting feeders and branch circuits in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Q2 Series, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 175A
  • Poles: 2
  • Phase: 1
  • Connection: I-Line Style Plug-In
  • AIC Rating: 10kA @ 240V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Frame: Q Series
  • Weight: 4 lb