Siemens - 20 amps GFCI Single Pole Circuit Breaker
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About this product
These circuit breakers offer the new Self-Test and Lockout feature as required by UL 943, enabling the GFCI to automatically and continuously test itself to ensure that it is working properly. If it is detected that the device has been compromised, the device trips itself and locks out the homeowner from resetting the device, reducing the possibility of the homeowner incorrectly assuming that the device was tripped to prevent a ground fault.
Feature 1
Packaging Type: Bulk
Feature 2
Product Series: Siemens
- BrandSiemensModel NumberQF120AProduct NameSiemens 20 amps GFCI Single Pole Circuit BreakerAmperage20 amperesMaximum Voltage120 voltsGround Fault InterrupterYes
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These circuit breakers offer the new Self-Test and Lockout feature as required by UL 943, enabling the GFCI to automatically and continuously test itself to ensure that it is working properly. If it is detected that the device has been compromised, the device trips itself and locks out the homeowner from resetting the device, reducing the possibility of the homeowner incorrectly assuming that the device was tripped to prevent a ground fault.

Siemens Type QD circuit breakers are UL classified for use in specific Square D load centers in place of Square D QO circuit breakers (see listing on back).For easy reference, a panelboard compatibility list is provided with each circuit breaker. All QD breakers are supplied with load side connectors suitable for 60/75C wire and are calibrated for 40C maximum ambient applications.

Siemens Q23020CT2NC 30/20 Amp 2-Pole Standard tandem breakers (30A outer poles, 20A inner) deliver thermal-magnetic protection for 240V circuits in Siemens load centers at 10kAIC, with common trip for reliable overload/short-circuit safeguarding. Quadplex design saves space in 2-inch slots using plug-in lugs for #14-6 AWG Cu/Al wire, ideal for residential appliances or subfeeds per UL standards.

Square D Homeline 20 amp 1-pole Plug-On-Neutral Combination Arc Fault Circuit Interrupters (CAFI) helps keep people and property safe from the effects of dangerous arcing. These arcs typically occur out of sight, inside walls or electrical devices, day or night. Designed for reliability, the Homeline Plug-on Neutral CAFI Circuit Breaker connects directly to the neutral bar, providing a time and labor-saving installation. Several advantages from the Plug-on Neutral design are fewer connections which lead to faster installation and an innovative neutral clip eliminates pigtails which in turn frees gutter space. The Square D CAFI circuit breaker uses a state-of-the-art Arc Detection Technology to continuously monitor the circuit and quickly turn-off the power (trip) when a dangerous condition is detected. Best of all, this technology is combined with Square D's robust and reliable short circuit/overload protection systems in a small, compact package. Engineered for Value and built for Quality, the market leading Square D brand Homeline Combination Arc Fault Circuit Interrupter combine time-tested performance with state-of-the-art technology to provide one of the safest circuit breakers available today.
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