Square D QO1520 QO Series Tandem Miniature Circuit Breaker – 15A/20A – 1 Pole – 120/240VAC – Plug-In – Box Lug

The Square D QO1520 is a QO-series tandem miniature circuit breaker designed for use in QO load centers and compatible panelboards. It provides two independent branch circuits in a single breaker space (15A and 20A), making it ideal for applications requiring additional circuit capacity in limited panel space. It delivers reliable thermal magnetic protection for overload and short-circuit conditions.

Electrical Ratings

• Current Rating: 15A / 20A (tandem configuration)
• Voltage Rating: 120/240 VAC
• Phase: 1 Phase
• Poles: 1 Pole (two circuits in one breaker body)
• System Compatibility: 120/240 VAC, 50/60 Hz
• Interrupting Rating: 10 kA @ 120/240 VAC

Protection and Function

• Trip Technology: Thermal Magnetic
• Trip Functions:
  • Long-Time (Overload Protection)
  • Instantaneous (Short-Circuit Protection)
• Protection Type: Standard branch circuit protection
• Application: Lighting, receptacles, general branch circuits

Configuration and Function

• Series: QO Series
• Model: QO1520
• Frame Type: QO Frame
• Connection Type: Plug-In
• Terminal Configuration: Box lug terminals
• Mounting Style: Plug-in (QO load center compatible)
• Sub-category: Tandem miniature circuit breaker

Mechanical and Physical Characteristics

• Compact tandem breaker design
• Two circuits in one breaker space (space-saving configuration)
• Plug-in mounting for QO load centers
• Thermal magnetic trip mechanism
• Designed for residential and light commercial panels
• Durable molded case construction
• Standard QO series reliability and performance

Standards and Certifications

• UL Listed
• CSA Certified
• Manufactured by Schneider Electric / Square D
• RoHS / REACH compliant
• UNSPSC: 39121603

Features

• Space-saving tandem design (15A + 20A circuits)
• Reliable overload and short-circuit protection
• Plug-in installation for QO panelboards
• Compatible with Square D QO load centers
• Durable molded case construction
• Designed for branch circuit expansion
• Fast fault interruption performance
• Ideal for residential panel optimization

Returns are easy

You may return items within 30 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.