Siemens Q220GFHH GFCI Miniature Circuit Breaker
- 20A
- 2 Pole
- Plug-On
Quantity
Siemens Q220GFHH - 20A GFCI Miniature Circuit Breaker
New
Quantity
Description
Engineered for residential and commercial safety, the Siemens Q220GFHH delivers 5mA ground-fault protection for 120/240VAC applications. This 20-amp, two-pole breaker helps prevent electrical shock in wet or damp locations as required by the NEC. It mounts into Siemens load centers and P1 panelboards using a plug-on connection. The unit includes a factory-installed pigtail neutral for secure wiring. Rated at an extra-high 65kAIC, it features a built-in self-test function for added safety.Specifications
| Brand | Siemens |
|---|---|
| Series | Q |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120/240VAC |
| Frame Type | Q |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Load Centers, Siemens P1 Panelboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Special Classification | GFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR Rated, SWD, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Common Trip, Self-Test, Extra High Interrupting Capacity |
Product FAQs
8 answersWhat panels are compatible with the Q220GFHH?
It is designed for use in Siemens load centers, including EQ, Ultimate, ES, and PL series, as well as Siemens P1 panelboards that accept plug-on Q-frame breakers.
What does the HH suffix in the Q220GFHH catalog number signify?
The HH suffix indicates an extra-high interrupting rating of 65kAIC at 240V. For comparison, the standard Q220GF is rated at 10kAIC, and the Q220GFH is rated at 22kAIC.
What class of GFCI protection does this breaker provide?
The Q220GFHH provides Class A ground-fault protection. It is designed to trip when it detects a ground-fault current imbalance of 4 to 6 milliamps to protect personnel from electrical shock.
Does this GFCI breaker include a self-test feature?
Yes, it includes an automated self-test function that continuously monitors the internal electronics to ensure the ground-fault protection is working properly, complying with UL 943 standards.
How is the pigtail neutral connected on this 2-pole GFCI?
The factory-installed white pigtail wire must be connected directly to the panel neutral bus bar. This connection is required to power the internal GFCI circuitry, even if the connected load does not use a neutral.
Does a straight 240V load require a load neutral connection to this breaker?
No, a load neutral is not required for straight 240V loads such as pumps or heaters. However, the breaker pigtail must still be wired to the panel neutral for the GFCI sensor to operate.
Can this breaker be used on a 3-phase system?
Yes, it can be installed on the 120/240V AC portion of a 240/120V 3-phase, 4-wire system, or on a 208Y/120V 3-phase, 4-wire system, provided the panel accepts plug-on QP type breakers.
What is the difference between the Q220GF, Q220GFH, and Q220GFHH?
The difference is the maximum interrupting rating. The Q220GF is rated for 10kAIC, the Q220GFH is rated for 22kAIC, and the Q220GFHH is rated for 65kAIC. All three provide 20A, 2-pole Class A GFCI protection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 47 reviews.
- 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.
- CSChristopher S.Verified BuyerRated 5 out of 5 stars8/12/26Siemens 60
Perfect new condition
- GSGeorge S.Verified BuyerReviewingSiemens Q2150B - 150A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/4/26Great service
Every time I call or go online you have the parts I'm looking for.