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Square D QOU2100 - Molded Case Circuit Breaker 100A 2-Pole

Square D
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The Square D QOU2100 is a molded case circuit breaker designed to provide reliable overcurrent protection for dedicated equipment circuits. It features a 100A current rating and a 120/240V voltage rating, housed in a compact unit-mount frame measuring 113.03 mm H x 38.1 mm W x 74.93 mm D and weighing 0.94 lb. This thermal-magnetic breaker, compliant with CSA, IEC, and UL standards, offers 10kA interrupting capacity at 240V and is engineered for typical applications in air conditioning, refrigeration, and heating panelboards, operating within a temperature range of -25 to 70 °C.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal Magnetic Protection with Long-Time and Instantaneous (LI) Trip
  • Voltage Rating: 120/240V AC
  • Current Rating: 100A
  • Dimensions: 113.03 mm H x 38.1 mm W x 74.93 mm D (4.45 in x 1.5 in x 2.95 in)
  • Standards: CSA, IEC, UL Listed
  • Applications: Air Conditioning, Refrigeration Equipment, Heating Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Unit Mount
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Slotted Box Lug (Non-Reversible Line and Load)
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Frame Size: 100A/QOU
  • Breaker Type: Standard
  • MCM Size: Min. Wire Size 12 AWG, Max. Wire Size 2/0 AWG
  • Wire Size: AWG 12 to AWG 2/0 (aluminium/copper)
  • Certification: IEC, UL Listed
  • Family: QOU Series
  • Weight: 0.94 lb


Product Identification
  • UPC: 785901060284
  • GTIN: 00785901060284