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Square D QO3202100 - Thermal Magnetic 20A 3-Pole Breaker

Square D
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Square D QO3202100 is a three-pole molded case circuit breaker from the QO family, designed for thermal-magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 20A at 120/240VAC with a 10kAIC interrupting capacity, supporting wire sizes from AWG 14 to AWG 8 in copper or aluminum. The plug-in mounting style and compact dimensions of 3.0 in x 3.0 in x 2.9 in (76 mm x 76 mm x 74 mm) facilitate installation in QO distribution panels, with a weight of 0.01 lb. This breaker is UL and CSA certified, meeting HACR standards for use with heating, air conditioning, and refrigeration equipment. It is suitable for commercial and industrial applications requiring reliable branch circuit protection in three-phase systems.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Family: QO
  • Type: QO
  • Dimensions: 3.0 in (76 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.01 lb
  • Functions: LI - Long-Time and Instantaneous Trip
  • Circuit Breaker Mounting Style: Plug-In
  • Mounting: Plug-In
  • Voltage Rating: 120/240VAC
  • Poles: 3
  • Connection: Plug-In
  • Standards: HACR
  • Protection: Thermal Magnetic
  • Wire Size: AWG 14 to AWG 8, Copper/Aluminum
  • Certification: UL, CSA
  • AIC rating: 10kAIC at 120/240VAC
  • Phase: 3
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Current Rating: 20A
  • Terminal Connection: Pressure Plate
  • Temperature Rating: 40°C
  • Circuit Breaker Type: Standard