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Square D QBL22100 - Molded Case Circuit Breaker 100A 240V 2-Pole

Square D
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Square D QBL22100 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial and commercial electrical systems. It features a 100A 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 3.4 lb. The breaker is constructed with a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, offers a 10kA interrupting capacity at 240V, and complies with UL, CSA, NEMA, and NOM standards. Its feed-thru lug connection and operational temperature range of -25 to 70 °C make it suitable for a wide array of panelboard and switchboard applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, QBL Series
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Dimensions: 6.47 in (164.34 mm) H x 3 in (76.2 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Panelboard and Switchboard Protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Unit Dimensions Apply
  • Phase: 1
  • Voltage: 240V
  • Amperage: 100A
  • AIC rating: 10kA@240V
  • Connection: Feed-Thru
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: Q
  • Trip Type: Thermal-Magnetic
  • Panel Type: Compatible with Square D Panelboards
  • Breaker Type: Molded Case
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Certification: UL, CSA, NOM
  • Installation Type: Fixed Mount
  • Breaker Frame: Q
  • Operating Temperature Maximum Celsius: 70 °C


Product Identification
  • UPC: 785901702931
  • GTIN: 00785901702931