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Square D QOU325 - 3-Pole Circuit Breaker 25A 240V

Square D
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Square D QOU325 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial electrical systems. It features a 25A current rating and a 240V AC voltage rating, housed within a compact, unit-mount frame measuring 102.87 mm H x 57.15 mm W x 74.93 mm D and weighing 1.13 lb. This thermal-magnetic breaker is constructed with slotted box lug terminals for reversible line/load connections and complies with key industry standards including UL, CSA, and IEC. It is typically applied in panelboards for air conditioning, refrigeration equipment, and heating systems, offering a 10kA interrupting capacity at 240V for robust fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Standard Type
  • Voltage Rating: 240V AC
  • Current Rating: 25A
  • Dimensions: 4.05 in (102.87 mm) H x 2.25 in (57.15 mm) W x 2.95 in (74.93 mm) D
  • Standards: UL Listed, CSA, IEC
  • Applications: Air Conditioning, Refrigeration Equipment, Heating Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Unit Mount
  • Phase: 3
  • Amperage: 25A
  • AIC Rating: 10kA @ 240V
  • Connection: Slotted Box Lug (Reversible Line and Load)
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 100A/QOU
  • Breaker Type: Standard
  • Wire Size: 14 AWG to 2 AWG (Aluminium/Copper)
  • Certification: IEC, UL Listed
  • Family: QOU Series
  • Country of Origin: Mexico
  • Weight: 1.13 lb


Product Identification
  • UPC: 078590148917
  • GTIN: 00785901489177