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Square D QGA321256 - Molded Case 125A 3-Pole 240V

Square D
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Square D QGA321256 is a 3-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection in three-phase electrical systems. It is rated for 125A at 240V AC with a high interrupting capacity of 65kA at 240V, utilizing thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. The breaker features a Q Frame construction with I-Line style plug-in connection, weighing 4 lb. It is UL listed for compliance with industry safety standards. This unit is suited for industrial and commercial applications requiring robust circuit protection in three-phase power distribution.

Key Features & Specifications
  • Type: QGA
  • Family: I-Line
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Voltage Rating: 240V
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC Rating: 65kA@240V
  • Weight: 4 lb
  • UL Listed