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Square D QDA321006 - Molded Case Circuit Breaker 100A 240V 3-Pole

Square D
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Square D QDA321006 is a 3-pole molded case circuit breaker designed for thermal magnetic overcurrent protection in industrial power distribution systems. It is rated for 240V AC, 100A continuous current, and provides 25kA interrupting capacity at 240V through its LI (Long-Time and Instantaneous) trip functions. The breaker features an I-Line style plug-in connection for direct bus mounting within Square D I-Line panelboards, weighs 4 lb, and is constructed on a Q Frame with a 3-phase configuration. This unit complies with UL and NEMA standards for molded case circuit breakers. It is typically used in commercial and industrial applications requiring branch circuit protection, feeder protection, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, I-Line Style Plug-In
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 25kA@240V
  • Frame Size: Q Frame
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Weight: 4 lb
  • Standards: UL, NEMA


Product Identification
  • UPC: Not specified
  • GTIN: Not specified