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Square D Q221125AB - Molded Case Circuit Breaker 125A 2-Pole

Square D
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Square D Q221125AB 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, utilizing a thermal-magnetic protection mechanism with long-time and instantaneous (LI) trip functions for comprehensive fault detection. The breaker is constructed as a 2-pole, single-phase unit with an I-Line style plug-in connection for simplified installation, and it offers a 10kA interrupting capacity at 240V to handle high fault currents. This Q2 Series device complies with relevant industry standards for safety and performance, making it suitable for protecting feeders, branch circuits, and equipment in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, I-Line Style Plug-In Connection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Functions: LI (Long-Time and Instantaneous)
  • Family: Q2 Series
  • Item Subcategory: Molded Case
  • Weight: 4 lb