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Schneider Electric QOU21001042 - 2-Pole 100A Miniature Circuit Breaker (240V)

Square D
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Schneider Electric QOU21001042 is a Square D QOU Series miniature circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. This 2-pole, 100A unit operates at 240V AC with a 10kA interrupting capacity and features LI (Long-Time and Instantaneous) trip functions for precise thermal-magnetic protection. The bolt-on breaker measures 4.45 in (113.03 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm), weighs 1.24 lb, and accepts wire sizes from AWG 12 to AWG 2/0 aluminum/copper via slotted box lugs. It is UL listed, IEC, and CSA certified, and includes a shunt trip coil for remote tripping. This unit is suitable for 1-phase applications requiring reliable branch circuit protection in panelboards and load centers.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Series: QOU
  • Type: QOU
  • Item Subcategory: Molded Case
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Poles: 2
  • Current Rating: 100A
  • Voltage Rating: 240V
  • AIC rating: 10kA@240V
  • Phase: 1
  • Connection: Bolt-On
  • Mounting Type: Unit Mount
  • Terminal Type: Slotted Box Lugs
  • Wire Size: AWG 12...AWG 2/0 aluminium/copper
  • Shunt Trip: Yes
  • Dimensions: 4.45 in (113.03 mm) x 2.25 in (57.15 mm) x 2.95 in (74.93 mm) (Height x Width x Depth)
  • Weight: 1.24 lb
  • Certification: UL listed - IEC - CSA
  • Country of Origin: Mexico


Product Identification
  • UPC: 078590111947
  • GTIN: 00785901119470