Square D QO120PL Miniature Circuit Breaker
- 20A
- 1 Pole
- Plug-On
Square D
QO120PL
Miniature Circuit Breaker
Brand
Square D
SKU
QO120PL
Quantity
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Square D QO120PL - 20A 1 Pole Miniature Circuit Breaker
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Description
Providing automated control for commercial lighting systems, this 20A remote-operated unit includes an 18-inch control wire lead. The internal motor mechanism allows for programmatic switching while maintaining standard thermal-magnetic overload protection. It mounts securely into Square D Powerlink panelboards as well as standard QO load centers. Alongside its remote capabilities, the device is HID and HACR rated, making it highly versatile for modern energy management applications.Specifications
| Brand | Square D |
|---|---|
| Series | QO |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | QO |
|---|---|
| Terminal Type | Pressure Plate |
| For Use With | Powerlink Panelboards, QO Load Centers |
| Wire Gauge | 14-2 AWG (Cu), 12-2 AWG (Al) |
| Max Wire | 2 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Accessories | 18-inch Control Wire Lead |
| Standards | CSA C22.2 No. 5, UL 489, HACR, HID, NEMA AB 1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, HID Rated |
Product FAQs
6 answersWhat panels are compatible with the Square D QO120PL?
This breaker is designed for use in Square D Powerlink lighting control systems, NQOD panelboards, and standard QO load centers.
What is the function of the control wire on the QO120PL?
The QO120PL includes an 18-inch control wire lead. This connects to a Powerlink controller, enabling remote operation for automated lighting and energy management systems.
Is the QO120PL rated for use with HVAC equipment?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration circuits.
What wire sizes and materials are accepted by the QO120PL terminals?
The pressure plate terminals accommodate 14 AWG to 2 AWG copper wire, or 12 AWG to 2 AWG aluminum wire.
How can I tell if the QO120PL has tripped?
The breaker features a Visi-Trip indicator, which provides a highly visible red flag in the indicator window when the breaker has tripped due to an overcurrent or short circuit.
What type of protection does the QO120PL provide?
It provides standard thermal-magnetic protection with fixed long-time and instantaneous (LI) trip functions, safeguarding circuits against overloads and short circuits while also allowing for remote switching.
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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 285 reviews.
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 6/13/26
Customers say these circuit breakers arrive quickly and work as described. Fast shipping and competitive pricing are frequently mentioned, with many noting same-day or next-day delivery. Users appreciate the wide inventory, particularly for hard-to-find older-style models unavailable locally. The products function reliably and arrive in good condition. Most customers report straightforward ordering and positive interactions. However, some experienced delivery delays or received incorrect items requiring reordering. A few noted concerns about condition upon arrival or customer service responsiveness.
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Rating
285 reviews
- GCGerard C.Verified BuyerReviewingSquare D QO130GFI - 30A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/21/26Great !
I could not find the breaker in hardwood stores. Superbreakers took car of it in a week.
- RHRoy H.Verified BuyerReviewingSquare D QO280 - 80A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/17/26Square D QO280 - 80A 2 Pole Miniature Circuit Breaker
Exactly as described
- KWKevin W.Verified BuyerReviewingSquare D QO120 - 20A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/15/26Great Price
Brand spanking new!
- CEchristopher e.Verified BuyerReviewingSquare D QO115PDF - 15A Dual Function Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26My breakers
Had a hard time locating these breakers locally, when I did find 1 they wanted to charge me triple what superbreakers charged. Items delivered exactly when they said they would, were exactly what I ordered. Appreciated the ease of ordering, definitely my go to from this point on
- JCJerry C.Verified BuyerReviewingSquare D QO250 - 50A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/8/26Great quality
No issues