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The Square D QO230CP is a 30-amp double pole circuit breaker rated for 240-volt applications, designed for use in QO-series load centers and panelboards. It provides overcurrent and short-circuit protection for 240-volt branch circuits in residential and light commercial electrical systems. Weighing 2.5 pounds, this breaker ships in a bulk pack of 5 units, making it a practical choice for electrical contractors stocking service vehicles or completing multi-circuit panel installations. Licensed electricians and panel installers are the primary trade users for this type of device.
This double pole breaker is suited for 240-volt branch circuit protection in residential panel upgrades, new construction wiring, and service replacements. Typical applications include dedicated circuits for electric dryers, water heaters, HVAC equipment, ranges, and other 240-volt loads. The bulk pack quantity of 5 supports jobsite efficiency when multiple circuits of the same ampacity are required in a single panel or across multiple units.
Designed as an OEM-style replacement or new-install circuit breaker for Square D QO-series load centers and compatible panelboards. No additional specific model compatibility data was provided in the product input.
Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and applicable local codes. Always shut off the main breaker and verify the panel is de-energized before handling or seating any branch circuit breaker. Confirm the panel brand and series accept QO-style plug-on breakers before installation. Do not exceed the breaker's rated ampacity when sizing the connected branch circuit conductors.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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