Square D QO220 2-Pole 20A 120/240VAC Thermal Magnetic Circuit Breaker, Plug-In

QO220

Square D QO220 2-Pole 20A 120/240VAC Thermal Magnetic Circuit Breaker, Plug-In

The Square D QO220 is a 2-pole miniature circuit breaker rated 20A at 120/240VAC, listed to UL 489 and CSA certified for overcurrent protection of branch circuit conductors in QO load centers and NQ panelboards. This thermal-magnetic breaker carries a 10kA interrupt rating at 120/240VAC, making it suitable for inclusion in commercial and residential electrical specifications and submittal packages.

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Common Applications

• Branch circuit overcurrent protection in QO load centers and NQ panelboards
• 240V equipment circuits, including HACR-rated HVAC branch circuits
• Residential and light commercial electrical distribution
• Panel upgrades and breaker replacements specifying QO/100A frame compatibility

Key Features

• Thermal magnetic trip: Provides both overload and short circuit protection in a single unit.
• Visi-Trip indication: Handle moves to a center position and a visual indicator confirms a tripped state.
• Plug-in mounting: Installs directly into compatible QO load centers without bolts or DIN rail.
• Common trip 2-pole design: Both poles open simultaneously on a fault for balanced circuit protection.
• Pressure plate termination: Accepts 14-8 AWG copper or aluminum conductors.

Specifications

• Manufacturer: Square D (Schneider Electric)
• Catalog Number: QO220
• Poles: 2
• Current Rating: 20A
• Voltage Rating: 120/240 VAC, 48 VDC
• Interrupt Rating: 10kA at 120/240VAC, 10kA at 120VAC, 5kA at 48VDC
• Frequency: 50/60 Hz
• Trip Type: Thermal Magnetic
• Frame Size: QO/100A
• Mounting: Plug-In
• Termination: Pressure Plate
• Wire Size: 14-8 AWG, copper or aluminum
• Standards: UL Listed (UL 489), CSA
• Ambient Rating: 104 deg F (40 deg C)

Product Identification

• Dimensions: 2.91 in D x 1.50 in W x 3.00 in H
• Weight: 0.50 lb
• UPC: 785901400363

FAQ

• What is the interrupt rating of the Square D QO220? The QO220 carries a 10kA interrupt rating at 120/240VAC.
• What wire sizes does the QO220 accept? The pressure plate terminals accept 14 to 8 AWG copper or aluminum conductors.
• Is the QO220 UL listed? Yes, the QO220 is UL listed to UL 489 and CSA certified.
• What panels is the QO220 compatible with? Th
  

  Specifications

  • Part Number: QO220
  • Manufacturer : Schneider Electric
  • Brand : Square D
  • Category : Circuit Breaker
  • Item Subcategory : Molded Case
  • Family : QO SEries
  • Type : QO
  • Voltage : 120/240
  • Amperage : 20
  • Phase : 1
  • Poles : 2
  • AIC rating : 10kA@240V
  • Connection : Plug-In
  • Functions : LI - Long-Time and Instantaneous Trip
  • Temp Rating : -13–158 °F (-25–70 °C)
  • Protection : Thermal Magnetic
  
  

  Product Data

  • UPC : 785901400363
  • GTIN : 00785901400363
  • Country of Origin : Mexico
  • Dimensions : 3.0 in (76 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight : 0.5 lb
  • Certification : HACR, UL Listed
  • Wire Size : AWG 14 to AWG 8, Copper or Aluminum