Square D QO2020C Tandem Mini Circuit Breaker – 20A, 2-Pole, 120/240 VAC, Plug-In

Overview

Meet the Square D QO2020C tandem mini circuit breaker from Schneider Electric. This compact device packs two 20A poles into a single unit, ideal for 120/240 VAC circuits in panels that support tandem breakers. With a robust 10kA breaking capacity, it provides reliable protection while conserving panel space, making it a practical choice for tighter electrical layouts.

The QO2020C embodies a trusted trip mechanism: an over center, trip free toggle delivers quick make, quick break action with a positive handle indication. A key feature is VisItrp, the visual trip indicator that clearly signals when the circuit has been interrupted, supporting fast diagnostics during maintenance or fault investigation.

Designed for plug-in installation, this tandem breaker is compatible only with QO panels that accept tandem devices, ensuring proper fit and performance. It protects two circuits in a single device, which can help optimize space in residential or light commercial panels. A full line of factory installed accessories is available, including shunt trips, auxiliary switches, and alarm switches to customize protection and monitoring to your installation.

What you get in practice

In environments where panel space is at a premium, the QO2020C enables two circuits to share one space without compromising standard thermal magnetic protection. This unit is UL Listed under UL file E84967 and CSA Certified under CSA Master Contract 153555, reflecting alignment with recognized safety and performance standards. The plug-in design supports straightforward replacement and service, helping reduce downtime during panel maintenance.

Key benefits at a glance:

• Two 20A poles in a single tandem unit for compact panel protection
• 10kA breaking capacity for robust overcurrent protection
• VisiTrip visual trip indication for quick status checks
• Thermal magnetic trip action for overload and short-circuit protection
• Plug-in installation in compatible QO panels

• UL Listed and CSA Certified for compliance confidence
• Compatible only with QO panels that support tandem breakers
• Optional accessories: shunt trips, auxiliary switches, alarm switches

Whether upgrading an existing panel or planning a space-conscious installation, the QO2020C helps balance protection, convenience, and reliability while keeping your wiring design clean and efficient.