The Square D QO2100CP Double‑Pole Circuit Breaker is a heavy‑duty 2‑pole (D‑P) breaker engineered to provide reliable overcurrent protection for residential and light commercial electrical systems that require higher current capacity. As part of the premium Square D QO series, this breaker is built for durability, consistent performance, and the clear visual trip indication trusted by electrical professionals.
Rated at 100 amps and approved for 120/240‑volt applications, the QO2100CP is designed for high‑load branch circuits and feeder applications. As a double‑pole breaker, it connects to both hot bus bars in a Square D QO load center and ensures simultaneous tripping of both poles, providing proper protection for 240‑volt circuits and helping maintain electrical safety and code compliance.
The breaker features a robust thermal‑magnetic tripping mechanism that responds accurately to sustained overloads and instantaneous short circuits. Its plug‑on mounting design allows for fast, secure installation in approved Square D QO load centers. Manufactured to Square D’s rigorous quality and safety standards, the QO2100CP delivers dependable performance in demanding high‑amperage applications.
Key Features
Double‑pole (2P / D‑P) breaker for 240‑volt applications
100‑amp rating for high‑current branch or feeder circuits
Thermal‑magnetic tripping for reliable overload and short‑circuit protection
Plug‑on design for quick, secure installation
Trips both poles simultaneously for enhanced safety
Premium construction from the Square D QO series
Compatible with Square D QO load centers
Suitable for new installations or replacement use
Specifications
Manufacturer: Square D (Schneider Electric)
Series: QO
Model Number: QO2100CP
Breaker Type: Double‑Pole (2P / D‑P)
Number of Poles: 2
Amperage Rating: 100 Amps
Voltage Rating: 120/240 VAC
Tripping Mechanism: Thermal‑magnetic
Mounting Type: Plug‑on
Load Center Compatibility: Square D QO load centers
Application Rating: Branch circuit and feeder protection
Indicator: Square D QO handle with visual trip indication
Applications
Residential Square D QO electrical panels
Light commercial load centers
High‑amperage 240‑volt branch circuits
Feeders to subpanels
Large HVAC systems, EV chargers, and other heavy electrical loads
Replacement of existing Square D QO double‑pole circuit breakers
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