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Square D QBA221101 - Molded Case Circuit Breaker 110A 240V 2-Pole

Square D
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Square D QBA221101 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 Q Frame measuring 164.34 mm H x 76.2 mm W x 99.82 mm D and weighing 4.751 lb. The breaker is constructed for robust performance with thermal-magnetic protection, offering both long-time and instantaneous trip functions, and is rated for an interrupting capacity of 10kA at 240V. It complies with key industry standards including UL, CSA, NEMA, and NOM-003-SCFI-2000, ensuring safe operation across a wide temperature range from -25°C to 70°C. Its I-Line style plug-in connection and two-pole, single-phase configuration make it suitable for integration into panelboards and switchboards for feeder and branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, QBA Type
  • Voltage Rating: 240V AC
  • Current Rating: 110A
  • Dimensions: 6.47 in H (164.34 mm) x 3 in W (76.2 mm) x 3.93 in D (99.82 mm)
  • Weight: 4.751 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial and Commercial Panelboards, Feeder and Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Two-Pole, Single-Phase
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Q Frame
  • AIC Rating: 10kA @ 240V
  • Phase: 1
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Certification: UL, CSA, NOM
  • Family: I-Line
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901703839
  • GTIN: 00785901703839