Siemens Q2020AFC 20/20A Combination AFCI | Tandem Miniature Circuit Breaker
- 20/20A
- 2 Pole
- Plug-On
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Siemens Q2020AFC - 20/20A Combination AFCI | Tandem Miniature Circuit Breaker
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Description
Engineered for residential safety, the Siemens Q2020AFC provides dual 20A combination arc-fault protection in a compact tandem configuration. Fitting two circuits into a single-pole space maximizes panel capacity while meeting NEC 210.12 standards for mitigating fire risks. Designed for Siemens load centers, this plug-on breaker uses a standard pigtail neutral. It delivers a 10 kAIC rating at 120VAC and includes an LED trip indicator to help quickly diagnose the source of a fault.Specifications
| Brand | Siemens |
|---|---|
| Part Number | Q2020AFC |
| Series | Q |
| Amperage | 20/20A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Load Centers |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | AFCI | Tandem |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | HACR, NEC 210.12, SWD, UL 1699, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
Product FAQs
7 answersWhich load centers are compatible with the Siemens Q2020AFC tandem AFCI breaker?
The Q2020AFC is designed for use in Siemens EQ, EQL, PL, ES, and SNC series load centers that are rated to accept tandem breakers. Always verify your panel wiring diagram to ensure it allows tandem breakers in the desired slot.
Does the Q2020AFC require a plug-on neutral panel?
No, the Q2020AFC features a standard pigtail neutral connection. This allows it to be installed in standard Siemens load centers that do not have a plug-on neutral bus.
How does the tandem design of the Q2020AFC impact panel space?
This tandem breaker provides two independent 20A, 120V combination AFCI circuits within a single 1-inch pole space. This maximizes panel capacity and can prevent the need to install a subpanel when adding new circuits.
How do the indicator flags on the Q2020AFC assist with wiring?
The breaker features visual indicator flags that disappear when the load wires are inserted correctly into the lugs. This confirms a secure and proper connection during installation.
How do I troubleshoot a tripped Q2020AFC breaker?
The Q2020AFC includes built-in LED trip indicators that help identify the cause of the trip. This allows electricians to quickly determine if the fault was caused by an arc fault or an overcurrent condition.
Is the Siemens Q2020AFC rated for switching duty and HVAC applications?
Yes, this breaker is SWD (Switching Duty) and HACR (Heating, Air Conditioning, and Refrigeration) rated. It is suitable for controlling fluorescent lighting circuits and HVAC equipment.
What is the difference between the Q2020AFC and the Q2020AFCN?
The Q2020AFC uses a pigtail wire to connect to the panel neutral bar, making it compatible with standard load centers. The Q2020AFCN is the Plug-On Neutral version, which connects directly to the neutral bus bar in compatible panels without a pigtail wire.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 49 reviews.
- BBBrent b.Verified BuyerReviewingSiemens Q33000S01 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/14/26Fit and fine
These breakers are newly required here in Los Angeles County and they fit right in. Due to the forth space I had to be careful with phasing and moving singles but it all went great.
- DTDawn T.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/8/26Timely
This is exactly what I was looking for! Worked perfectly, arrived promptly, no hassles.
- CGCrocefissa G.Verified BuyerReviewingSiemens Q115 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Quick delivery and great price.
The circuit breakers are at a great cost.
- JBJason B.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/18/26Great experience
The product was exactly what I needed and it arrived on time.
- DQDon Q.Verified BuyerReviewingSiemens Q3100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/14/26Siemens breaker
Great customer experience, great prices and fast shipping... Definitely will be buying her again.