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Square D QOU1100 - Molded Case Circuit Breaker 100A 1-Pole

Square D
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Square D QOU1100 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 100A current rating and a 120/240V voltage rating, housed within a compact 100A frame with dimensions of 113.03 mm H x 19.05 mm W x 74.93 mm D and a weight of 0.48 lb. The breaker utilizes a thermal-magnetic trip mechanism for both long-time and instantaneous (LI) protection and is constructed with non-reversible slotted box lug terminals compatible with wire sizes from 12 AWG to 2/0 AWG. It complies with key industry standards including CSA, IEC, and UL, making it suitable for unit-mount applications in panels for air conditioning, refrigeration equipment, and heating systems.

Key Features & Specifications
  • Type: Standard Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 100A
  • Frame Size: 100A/QOU
  • Poles: 1
  • Phase: 1
  • Trip Functions: Long-Time and Instantaneous (LI)
  • Connection: Unit Mount, Slotted Box Lug (Non-Reversible Line and Load)
  • Wire Size Compatibility: 12 AWG to 2/0 AWG (Aluminium/Copper)
  • Standards & Certification: CSA, IEC, UL Listed
  • Dimensions: 113.03 mm H x 19.05 mm W x 74.93 mm D (4.45 in x 0.75 in x 2.95 in)
  • Weight: 0.48 lb
  • Panel Type: Air Conditioning and Refrigeration Equipment, Heating
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901478546
  • GTIN: 00785901478546