Square D QOB280H - Molded Case Circuit Breaker 80A 2-Pole
Square D QOB280H - Molded Case Circuit Breaker 80A 2-Pole

Square D QOB280H - Molded Case Circuit Breaker 80A 2-Pole

Square D
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Square D QOB280H is a 2-pole, 80-amp, 240-volt bolt-on molded case circuit breaker designed for overcurrent protection in NQ panelboards. It features a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions and a 10kA interrupting rating at 240VAC. The unit measures 3.5 in (89 mm) in height, 1.5 in (38 mm) in width, and 2.9 in (74 mm) in depth, weighs 0.75 lb, and uses pressure plate terminals for wire sizes from AWG 4 to AWG 2/0 copper or aluminum. It is UL Listed and CSA certified, meeting industry standards for safety and performance. This circuit breaker is suitable for single-phase industrial applications requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: QOB
  • Amperage: 80 Amps
  • Voltage: 240 Volts AC
  • Number of Poles: 2
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10kA at 240V
  • Series/Frame: QOB
  • Trip Unit: Thermal Magnetic
  • Conductor Size: 4 AWG to 2/0 AWG
  • Application: NQ Panelboard Compatible
  • Voltage Frequency: 50/60 Hz
  • Terminal Connection: Pressure Plate
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 120/240VAC
  • Phase: 1
  • Dimensions: 3.5 in (89 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.75 lb
  • Wire Size: AWG 4, AWG 2/0 Copper or Aluminium
  • Certification: UL Listed
  • Standards: CSA, UL Listed
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901335481
  • GTIN: 00785901335481