Square D QO120 Miniature Circuit Breaker – 20A – 1-Pole – 120/240VAC – 10kA – Plug-In – QO SeriesSquare D QO120 Miniature Circuit Breaker – 20A – 1-Pole – 120/240VAC – 10kA – Plug-In – QO Series

The Square D QO120 is a 20A, 1-pole miniature circuit breaker designed for overload and short-circuit protection in compatible electrical distribution systems. Rated for 120/240VAC with a 10kA interrupting capacity, it uses thermal-magnetic trip technology to provide reliable branch circuit protection.

The QO120 features plug-in mounting and Square D Visi-Trip indication, providing a visible indication when the breaker has tripped. It is part of the Square D QO Series and is suitable for compatible residential, commercial, and electrical distribution applications.

Specifications

• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Miniature Circuit Breaker
• Series: QO
• Current Rating: 20A
• Number of Poles: 1-Pole
• Voltage Rating: 120/240VAC
• Interrupting Rating: 10kA
• Trip Technology: Thermal Magnetic
• Circuit Breaker Type: Standard
• Mounting Type: Plug-In
• Electrical Connection: Pressure Plate
• Number of Panel Spaces: 1
• Wire Range: 14–8 AWG Copper or Aluminum
• Ambient Rating: 40°C
• Dimensions (H × W × D): 3.0 × 0.7 × 2.9 in
• Application: Branch circuit overload and short-circuit protection

Part Numbers & Identification

• Manufacturer Part Number (MPN): QO120
• Catalog Number: QO120
• Alternate Model: Q0120
• Product Family: QO Miniature Circuit Breakers
• UPC / GTIN-12: 785901400103
• Brand: Square D
• Manufacturer: Schneider Electric

Compatibility

Designed for use with compatible Square D QO load centers, NQ/NQOD panelboards, OEM mounting bases, and applicable Square D distribution equipment. Always verify the approved breaker type and electrical ratings for the specific equipment before installation.

Certifications

• UL Listed
• CSA Certified
• UL File: E84967
• CSA Master Contract: 153555

Returns are easy

You may return items within 10 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.