Square D QO2020CP 20A Tandem Circuit Breaker 120/240V

Product Description

The Square D QO2020CP is a 20-amp single-pole tandem circuit breaker designed to add branch circuit capacity to older QO load centers that do not have pan rail slots. Each pole occupies one-half space, allowing two 20-amp circuits to fit in a single breaker slot. Rated at 120/240 volts, this breaker delivers reliable overcurrent protection for residential and light commercial branch circuits. It ships in bulk packaging with a unit quantity of 10 per package, making it a practical choice for contractors restocking service van inventory or completing multi-circuit panel work.

This tandem breaker is intended specifically for older QO series load centers that lack the pan rail slot design found in newer panels. It is commonly installed by licensed electricians during service panel upgrades, circuit additions, or residential rewire projects where full-size breaker spaces are limited. The bulk packaging format supports job-site efficiency when multiple circuits are being added in a single service call.

Key Features

• 20-amp single-pole tandem configuration fits two circuits in one breaker space
• Rated 120/240 volts for standard residential and light commercial branch circuits
• One-half space per pole design maximizes capacity in space-limited older load centers
• Compatible with older QO load centers that do not have pan rail slots
• Bulk package of 10 units supports multi-circuit installation projects

Compatibility

Designed for older Square D QO series load centers without pan rail slots. Not intended for use in newer QO load centers or panels from other manufacturers. Verify the target panel accepts tandem breakers and does not require pan rail slot engagement before installation.

Installation Notes

Installation must be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the load center at the utility disconnect and verify the panel is dead with a meter before handling any wiring or breakers. Confirm the load center's breaker schedule allows tandem breakers in the intended slot position, as not all slots in a given panel may accept tandems. Do not install this breaker in a panel that requires pan rail slot engagement.