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Square D QOU135 - Molded Case Circuit Breaker 135A 1-Pole

Square D
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Square D QOU135 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in single-phase applications. It features a 135A current rating and a 120V AC voltage rating, housed within a compact unit-mount frame measuring 102.87 mm H x 19.05 mm W x 74.93 mm D and weighing 0.36 lb. This thermal-magnetic breaker is constructed for compliance with CSA, IEC, and UL standards and operates within a temperature range of -25 to 70 °C. Its typical applications include protection for air conditioning, refrigeration equipment, and heating panels, utilizing a slotted box lug terminal that accommodates wire sizes from 14 AWG to 2 AWG for aluminum or copper conductors.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Type
  • Voltage Rating: 120V AC
  • Current Rating: 135A
  • Dimensions: 102.87 mm H x 19.05 mm W x 74.93 mm D (4.05 in x 0.75 in x 2.95 in)
  • Standards: CSA, IEC, UL Listed
  • Applications: Air Conditioning, Refrigeration Equipment, Heating Panels
  • Switch Type: Circuit Breaker
  • Configuration: Unit Mount
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 10kA @ 120V
  • Connection: Slotted Box Lug (Reversible Line and Load)
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI) Trip
  • Frame Size: 100A/QOU
  • Breaker Type: Standard
  • Wire Size: 14 AWG to 2 AWG (Aluminium/Copper)
  • Certification: IEC, CSA, UL Listed
  • MCM Size: Min. 14 AWG, Max. 2 AWG
  • Mounting: Unit Mount
  • Family: QOU Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 078590148909
  • GTIN: 00785901489092