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Square D QGA321006 - Molded Case Circuit Breaker 100A 240V

Square D
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Square D QGA321006 is a 3-pole molded case circuit breaker from the I-Line series, designed for thermal magnetic protection in commercial and industrial power distribution systems. It is rated for 240V AC and 100A continuous current, with a high interrupting capacity of 65kA at 240V AC. The breaker features a Q-Frame construction with I-Line style plug-in mounting for secure panelboard installation, and weighs 4 lb. It complies with UL standards for safety and performance, utilizing a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions for accurate overload and short-circuit protection. This breaker is suitable for use in 3-phase applications requiring reliable circuit isolation and fault interruption.

Key Features & Specifications
  • Type: Molded Case
  • Family: I-Line
  • Model: QGA321006
  • Poles: 3
  • Phase: 3
  • Voltage Rating: 240V
  • Current Rating: 100A
  • Interrupt Rating: 65kA@240V
  • Protection: Thermal Magnetic
  • Trip Functions: Long-Time and Instantaneous (LI)
  • Frame Size: Q Frame
  • Connection: I-Line Style Plug-In
  • Continuous Current Rating: 80%
  • Weight: 4 lb
  • Standards: UL Listed