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Square D QBA321006 - Molded Case Circuit Breaker 100A 3-Pole 240V

Square D
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Square D QBA321006 is a Schneider Electric molded case circuit breaker from the PowerPact Q family, designed for overcurrent protection in three-phase electrical systems. This 3-pole unit is rated for 100A at 240V AC, utilizing a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions and a 10kA interrupting capacity at 240V. The Q Frame breaker features an I-Line style plug-in connection, weighs 4 lb, and supports ABC phase connection with an 80% continuous current rating. It is UL 489 listed and certified by CSA and IEC, ensuring compliance with industry safety standards. Typical industrial applications include branch circuit protection in panelboards and switchboards.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: PowerPact Q
  • Type: QBA
  • Weight: 4 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Voltage Rating: 240V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 10kA@240V
  • Phase: 3
  • Current Rating: 100A
  • Amperage: 100A
  • Voltage: 240V AC
  • Interrupt Rating: 10 kA
  • Series: PowerPact Q
  • Continuous Current Rating: 80%
  • Phase Connection: ABC
  • Certifications: UL 489, CSA, IEC