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Square D QDA221101 - Molded Case Circuit Breaker 110A 240V 2-Pole

Square D
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Square D QDA221101 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 110A current rating and a 240V AC voltage rating, housed within a compact 6.47 in (164.34 mm) H x 3 in (76.2 mm) W x 3.93 in (99.82 mm) D plug-in unit constructed for robust performance. The breaker complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, ensuring safety and interoperability. Its thermal-magnetic protection with long-time and instantaneous (LI) tripping functions makes it suitable for installation in I-Line panelboards for feeder and branch circuit applications.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal Magnetic Protection with LI (Long Time & Instantaneous) Functions
  • Voltage Rating: 240V AC
  • Current Rating: 110A
  • Frame Size: 250A/QD
  • AIC Rating: 25kA @ 240V
  • Poles: 2
  • Phase: 1
  • Phase Connection: AB
  • Connection: Plug-In Panelboard
  • Terminal Connection: Lug
  • MCM Wire Size Range: 4 AWG Minimum, 300 MCM Maximum
  • Dimensions: 6.47 in H x 3 in W x 3.93 in D (164.34 mm x 76.2 mm x 99.82 mm)
  • Weight: 4.65 lb
  • Operating Temperature: -25°C to 70°C (-13°F to 158°F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Panel Type: I-Line Panelboards
  • Breaker Type: Standard
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901415558
  • GTIN: 00785901415558