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Schneider Electric QBA321256 - Molded Case Breaker 125A 3-Pole 240V

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Schneider Electric QBA321256 is a molded case circuit breaker from the PowerPact Q family, designed for overcurrent protection and switching on 240VAC systems. This three-pole, 125A unit provides thermal-magnetic trip protection with LI (Long-Time and Instantaneous) functions, rated for 10kA interrupting capacity at 240V. The Q-Frame breaker features an I-Line style plug-in connection for secure installation in panelboards and switchboards, weighing 7 lb. It complies with UL 489, CSA, ANCE, and IEC standards for industrial and commercial power distribution applications. This breaker is suited for branch circuit protection in manufacturing facilities, data centers, and commercial buildings requiring reliable overcurrent interruption.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: PowerPact Q
  • Type: QBA
  • Weight: 7 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: 125A
  • Amperage: 125A
  • Voltage: 240VAC
  • Interrupt Rating: 10kA at 240V
  • Trip Unit: Thermal-Magnetic
  • Mounting Style: I-Line Plug-In
  • Trip Function: Long-Time and Instantaneous (LI)
  • Certifications: UL 489 Listed, CSA, ANCE, IEC
  • Frequency: 50/60 Hz