Eaton / Cutler-Hammer QC1020S Miniature Circuit Breaker
- 20A
- 1 Pole
- Panel Mount
Quantity
Eaton / Cutler-Hammer QC1020S - 20A 1 Pole Miniature Circuit Breaker
New
Quantity
Description
Serving as a reliable solution for commercial and industrial facilities, the Eaton QC1020S is a 1-pole, 20A miniature circuit breaker. It is engineered to deliver precise overcurrent protection within control panels and electrical enclosures. This panel-mount breaker features a convenient cable-in/cable-out design and is an exact substitute for the legacy QCL1020S model.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | QC |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Panel Mount |
| Voltage | 120/240VAC, 24-48VDC, 62.5VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 24-48VDC, 3.8kA @ 62.5VDC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | Control Panels, Enclosures, DIN Rail (with adapter) |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Padlock Attachment, DIN Rail Adapter |
|---|---|
| Accessories | Shunt Trip |
| Standards | UL 489, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, Non-Interchangeable Trip, Cable-in/Cable-out design |
Product FAQs
6 answersHow is the QC1020S breaker mounted inside an enclosure?
It is designed for direct panel mounting using its cable-in, cable-out configuration. If your enclosure utilizes a DIN rail system, the breaker can also be mounted using a compatible Eaton DIN rail adapter.
What type of wire connections does the QC1020S require?
This breaker is equipped with box lugs on both the line and load sides, accepting wire gauges from 14 AWG to 10 AWG. Because it is a cable-in, cable-out breaker, it does not connect to a panel busbar.
Can the QC1020S be installed in a standard Eaton residential load center?
No. The Quicklag QC series features a cable-in, cable-out design intended for control panels and enclosures. It lacks the mounting clips required for plug-on or bolt-on load centers.
Can the QC1020S be used in DC control circuits?
Yes, in addition to its standard AC ratings, this breaker is rated for up to 62.5VDC with an interrupting capacity of 3.8kAIC, making it suitable for specific low-voltage direct current applications.
What does the LI trip function indicate on the QC1020S?
The LI designation means the thermal-magnetic trip unit provides both Long-Time protection against sustained overloads and Instantaneous protection against short circuits. Both the thermal and magnetic settings are fixed.
Is the QC1020S rated for heating, air conditioning, and refrigeration equipment?
Yes, Eaton QC series breakers in this amperage range are HACR rated, making this unit suitable for protecting HVAC and refrigeration circuits.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 15 reviews.
- DSDenise S. A.Verified BuyerReviewingEaton / Cutler-Hammer QC3070H - 70A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/4/25Great turn around!
My experience was great. I had the item quickly; and it was more reasonably priced than other places I checked. Not having to pay freight was an absolute bonus.
- DMDouglas M.Verified BuyerReviewingEaton / Cutler-Hammer QC1020 - 20A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/28/25Just what I needed
Ordering was easy and the processing was immediate. The beakers I ordered was exact. I recommend this company for your needs.
- GLGianna L.ReviewingEaton / Cutler-Hammer QC1015 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars11/27/23Great
as advertised!
- EDElmer D.ReviewingZinsco QCAL100 - 100A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/28/23Very accurate, delivered on time
Very accurate, delivered on time and fixed my problem good job
- RBRawle B.ReviewingEaton / Cutler-Hammer QC1015 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/8/23SuperBreakers had the parts I
SuperBreakers had the parts I needed in stock, was shipped and delivered on time. Great service!