Square D QO3251021 - 3-Pole 25A Molded Case Breaker (240V)
Square D QO3251021 - 3-Pole 25A Molded Case Breaker (240V)

Square D QO3251021 - 3-Pole 25A Molded Case Breaker (240V)

Square D
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Square D QO3251021 is a 3-pole molded case circuit breaker from the QO Series, designed to provide overcurrent protection through a thermal-magnetic trip unit with long-time and instantaneous trip functions. It is rated for 25A at 240VAC with a 10kA interrupting capacity at 240V, supporting 3-phase operation. The breaker features a plug-in connection, measures 3.0 in (76 mm) in height, width, and depth, and weighs 1.21 lb, accepting copper or aluminum wire from AWG 14 to AWG 8. It complies with UL standards and operates within a temperature range of -13 to 158 °F (-25 to 70 °C). This unit is suitable for use in QO load centers and panelboards in industrial applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Schneider Electric
  • Family: QO Series
  • Poles: 3
  • Current Rating: 25A
  • Voltage Rating: 240V
  • Interrupt Rating: 10kA at 240VAC
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous Trip
  • Connection: Plug-In
  • Wire Size: AWG 14 to AWG 8, Copper/Aluminum
  • Dimensions: 3.0 in (76 mm) x 3.0 in (76 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 1.21 lb
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Certifications: UL Listed