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The Siemens Q120DF is a 20-Amp dual-function circuit breaker combining AFCI and GFCI protection in a compact, plug-on load center style. Designed for 120V systems, it ensures enhanced electrical safety by detecting arc faults and ground faults, while its easy installation and trusted Siemens engineering make it a must-have upgrade for modern homes and offices.
| ASIN | B00LN74OO2 |
| Best Sellers Rank | 931,652 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,570 in Circuit Breakers |
| Brand | SIEMENS |
| Circuit Breaker Type | GFCI |
| Current Rating | 20 Amps |
| Customer Reviews | 4.7 4.7 out of 5 stars (763) |
| Global Trade Identification Number | 00887621817329 |
| Item Weight | 0.25 Pounds |
| Manufacturer | Siemens |
| Manufacturer Part Number | Q120DF |
| Model Number | Q120DF |
| Mounting Type | DIN Rail Mount |
| Number of Poles | 1 |
| UPC | 887621817329 |
| Unit Count | 1.0 count |
| Voltage | 120 Volts |
S**.
Perfect replacement for my Murray circuit breakers. They work flawlessly and I upgraded 2 of these breakers (4 total) from AFCI to dual feature in about 10 minutes -- and given that I'm not an electrician, this was pretty easy. I tested both with the test button and an AFCI/GFCI testing tool on the receptacles and it was great. They are about the same size, so easily fit in the breaker box. It's only been about 30 hours since installing, but the breaker hasn't tripped, so I'm very happy. Note: It's important for safety: If you are installing these in a subpanel, make sure that your ground wires and your neutral wires do not go to the same bar in the panel -- it's very dangerous! Grounds go to one, neutrals (pigtails) go to the other!
L**3
These are OEM original new equipment and work as designed. Not sure how Amazon can offer them at half the cost of my husband's suppliers but I'm glad he decided to check. Looks like Amazon has a distributor status with Siemens though so he'll be checking everything on here now.
U**R
Perfect as usual from Siemens.
K**G
Works
M**E
So I had heard that the afci tripping non stop was an issue with the breakers and that even walkie talkies are tripping them. This one job was insane with false trips. Checked everything. Heard from another electrician the AFCI/GFCI breaker combo wasn't having the issues. Swapped one in and solved the issue. BUT, I also noted the one I took out was really easy to remove. Had almost no friction. The new one went in with force. I began to wonder if the arc was where the breaker was seating into the panel and not the afci/gfci combo as much as a badly made afci breaker
Trustpilot
3 days ago
1 month ago