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Square D QO3801021 - 80A 3-Pole Bolt-On Circuit Breaker

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Square D QO3801021 is a QO Series miniature circuit breaker engineered for overcurrent protection in residential and commercial branch circuits. This 80 amp, 240 volt AC, 3-pole device utilizes a thermal magnetic trip unit to safeguard against overloads and short circuits. The breaker features a bolt-on mounting style, box lug connections accommodating wire sizes from 4 to 2/0 AWG, and a durable fiberglass filled thermoset housing. It carries a 10 kA interrupt rating at 240V AC and is UL listed for reliable performance. Typical applications include 3-phase power distribution panels and load centers.

Key Features & Specifications
  • Amperage: 80 A
  • Voltage: 240 V AC
  • Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10 kA at 240 V
  • Series/Frame: QO
  • Trip Unit: Thermal Magnetic
  • Wire Size: 4 to 2/0 AWG
  • Connection Type: Box Lug
  • Phase: 3
  • Material: Fiberglass Filled Thermoset
  • Manufacturer: Schneider Electric
  • Weight: 5.19 lb


Q1L3801021