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Square D Q2H22125AB - Molded Case Circuit Breaker 125A 240V 2-Pole

Square D
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Square D Q2H22125AB is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 125A current rating and a 240V AC voltage rating, engineered for single-phase applications. The breaker utilizes a thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit protection, housed in a compact I-Line style plug-in configuration for simplified panelboard installation. It complies with relevant industry standards for safety and performance, offering an interrupting capacity of 42kA at 240V. This unit is typically applied in feeder and branch circuit protection for machinery, HVAC systems, and distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, I-Line Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 42kA @ 240V
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: LI (Long-Time and Instantaneous)
  • Family/Series: Q2 Series
  • Breaker Type: Q2H
  • Weight: 4 lb


Product Identification
  • Manufacturer Part Number: Q2H22125AB