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Square D QO350EPD - 3-Pole 50A Ground Fault Breaker 240V

Square D
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Square D QO350EPD is a 3-pole molded case circuit breaker designed for ground fault protection in 240VAC electrical systems. It is rated for 50 amps at 120/240V with a 10kA interrupting capacity at 120V and utilizes a thermal magnetic trip unit providing Long Time and Instantaneous (LI) functions. This plug-in breaker measures 4.1 in (105 mm) x 2.2 in (57 mm) x 2.9 in (74 mm), weighs 1.33 lb, and accepts wire sizes from AWG 12 to AWG 4 aluminum and AWG 14 to AWG 6 copper. It is UL Listed and CSA certified, operating within a temperature range of -13 to 158 °F (-25 to 70 °C). Typical industrial applications include use in QO load centers and NQ panelboards for branch circuit protection.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Current Rating: 50 Amps
  • Voltage Rating: 120/240 VAC
  • Number of Poles: 3
  • Phase: 3
  • Mounting Type: Plug-In
  • Interrupt Rating: 10 kA at 120 VAC
  • Trip Unit: Thermal Magnetic with Long Time and Instantaneous (LI) functions
  • Circuit Breaker Type: Ground Fault Class B 30 mA
  • Wire Gauge: AWG 12-4 Aluminum, AWG 14-6 Copper
  • Certifications: UL Listed, CSA
  • Dimensions: 4.1 in (105 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 1.33 lb
  • Country of Origin: Mexico
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)


Product Identification
  • UPC: 785901957126
  • GTIN: 00785901957126