Square D QO Series Dual Function Miniature Circuit Breaker, 1-Pole, 120VAC, 10kA, Bolt-On
The Square D QO Series Dual Function Miniature Circuit Breaker delivers overcurrent protection and switching for AC and DC systems in a 1-pole, 120VAC configuration with a 10kA interrupt rating. Built with an over-center, trip-free toggle mechanism for quick-make, quick-break action, this bolt-on breaker combines Combination Arc-Fault (CAFI) and Ground-Fault (GFCI) protection in a single dual-function (DF) device. It is UL Listed and CSA certified, HACR rated, and finished with a pigtail neutral connection for straightforward installation in QO series load centers and panelboards.
Key Features
- Dual Function Protection: Combines Combination Arc-Fault (CAFI) and Ground-Fault (GFCI) circuit protection in one device for enhanced branch-circuit safety.
- 1-Pole, 120VAC Rating: Rated operational voltage (Ue) of 120 V AC for single-pole residential and commercial branch circuits.
- 10kA Interrupt Rating: Provides reliable fault-current interruption for QO series panelboard applications.
- Bolt-On Mounting: Bolt-on style construction for secure, vibration-resistant installation in compatible QO load centers.
- Trip-Free Toggle Mechanism: Over-center, quick-make, quick-break toggle action with positive trip-free operation on both AC and DC systems.
- Pigtail Neutral Connection: Pressure-plate electrical connection with pigtail neutral terminal for wire ranges of AWG 14...AWG 8 copper or aluminum, or AWG 14...AWG 10 copper.
- HACR Rated: Suitable for heating, air conditioning, and refrigeration equipment circuits.
- Installation Specs: Tightening torque of 4-4 N.m, rated for 40 °C ambient air temperature, and requires 1 panel space.
Certifications & Compliance
- UL Listed
- CSA Certified
- TAA Compliant
Technical Specifications
- Product Or Component Type: miniature circuit-breaker
- Poles Description: 1P
- Range Of Product: QO
- H And D Enrichment Function: DF
- H And D Enrichment Assignment: yes
- Ambient Air Temperature For Operation: 40 °C
- Number Of Spaces Required: 1
- Scope Perimeter: Outside of Europe
- WEEE Product Category: 5
- Reach Full Compliance Status Id: CONTAINS_SVHC
- Mercury Free: Yes
- ROHS Eur Full Compliance Status Id: COMPLIANT_WITH_EXEMPTIONS
- Sustainable Packaging: No
- Recycled Metal Content At Cr Level: 0 %
- Serviceability: No
- With Recycled Cardboard: No
- Compliance: TAA
- China ROHS In Scope: No
- Return Indicator: N
- Legacy WEEE Scope: In
- Packaging Made With Recycled Cardboard: No
- EOLI Availability Display: Yes
- Without Single Use Plastic: Yes
- ROHS Exemption Information: Yes
- Packaging Without Single Use Plastic: Yes
Typical Applications
- Residential and Commercial Load Centers
- QO Series Panelboards
- Branch-Circuit Arc-Fault and Ground-Fault Protection
- HACR Equipment Circuits
- New Construction and Panel Retrofits
Why Square D?
Square D engineers the QO Series with a trip-free, quick-make quick-break toggle mechanism and dual-function CAFI plus GFCI protection to deliver dependable, code-compliant circuit protection. Backed by UL Listed and CSA certification and built for compatibility with QO load centers, this breaker is designed for reliable performance in professional electrical installations.
Manufacturer Resources
Product Specs
- Product Type:
- Circuit Breaker
- Series:
- QO
- Voltage Rating:
- 120VAC
- Configuration:
- 1-Pole
- Connection Type:
- Bolt-On
- Listing:
- UL Listed
- Standards:
- CSA
- Department:
- Electrical
- Product Group:
- Wiring Devices