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Square D EDB24020 Miniature Circuit Breaker
- 20A
- 2 Pole
- Bolt-On
Square D
EDB24020
Miniature Circuit Breaker
Brand
Square D
SKU
EDB24020
Quantity
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Square D EDB24020 - 20A 2 Pole Miniature Circuit Breaker
New
Quantity
Quantity
Square D EDB24020 - 20A 2 Pole Miniature Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | EDB24020 |
| Series | EDB |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 240VAC, 277VAC, 480Y/277VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 25kA @ 120/240VAC |
| Frame Type | EDB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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 Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment, Shunt Trip |
|---|---|
| Accessories | Aluminum Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, cULus, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Visual Trip Indicator |
Quantity
Square D EDB24020 - 20A 2 Pole Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | EDB24020-R |
| Series | EDB |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 240VAC, 277VAC, 480Y/277VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 25kA @ 120/240VAC |
| Frame Type | EDB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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 Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment, Shunt Trip |
|---|---|
| Accessories | Aluminum Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, cULus, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Visual Trip Indicator |
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Description
Delivering 20 amps of branch circuit protection, this E-frame component handles demanding 480Y/277V electrical systems. It serves as a dependable thermal-magnetic solution for commercial and industrial facilities. The unit fastens securely into Square D NF panelboards, ensuring a stable connection that resists vibration. Standard aluminum lugs accommodate a wide range of wire gauges. Safety features include a highly visible Visi-Trip indicator that simplifies troubleshooting during outages.Specifications
| Brand | Square D |
|---|---|
| Part Number | EDB24020 |
| Series | EDB |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 240VAC, 277VAC, 480Y/277VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 25kA @ 120/240VAC |
| Frame Type | EDB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D NF Panelboards |
| Wire Gauge | 14-6 AWG (Cu), 12-6 AWG (Al) |
| Max Wire | 6 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 Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment, Shunt Trip |
|---|---|
| Accessories | Aluminum Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, cULus, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Visual Trip Indicator |
Product FAQs
6 answersWhat panelboards are compatible with the Square D EDB24020?
This E-frame bolt-on circuit breaker is designed exclusively for Square D NF series panelboards. It mounts directly to the panel bus and occupies two pole spaces.
Can I upgrade the interrupting rating of the EDB24020?
Yes. If your system requires a higher short-circuit rating at 480Y/277V, you can substitute the EGB24020 (rated 35 kAIC) or the EJB24020 (rated 65 kAIC). Both share the exact same physical dimensions and panel compatibility as the standard EDB frame.
What are the wire gauge and tightening torque specifications for the EDB24020?
The factory-installed aluminum lugs accept 14 to 6 AWG copper wire or 12 to 6 AWG aluminum wire. The standard tightening torque for these terminals is 30 lbf-in (3.4 N.m).
Is the EDB24020 suitable for switching commercial lighting circuits?
Yes, this 20-amp breaker is both SWD (Switching Duty) and HID (High-Intensity Discharge) rated, meaning it is certified for the direct switching of fluorescent and HID lighting loads. It also carries a standard HACR rating for HVAC equipment.
Can the EDB24020 be installed in a straight 480V Delta electrical system?
No. The 480Y/277VAC rating indicates it is strictly for use in solidly grounded Wye systems where the voltage to ground does not exceed 277V. It is not approved for 480V ungrounded or corner-grounded Delta systems.
Does the EDB24020 include a visual trip indicator?
Yes, it features the Square D Visi-Trip mechanism. When the breaker trips due to an overload or short circuit, the handle snaps to a center position and a bright red indicator becomes visible to help electricians quickly locate the faulted circuit.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 114 reviews.
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 10/21/26
Customers say these breakers perform as expected and arrive quickly. Fast shipping and competitive pricing are frequently mentioned, with many noting significant savings compared to local suppliers. Customers appreciate the easy-to-use website, responsive sales representatives, and reliable delivery. Products consistently arrive in good condition and well-packaged. Common feedback highlights dependable service, wide product availability, and seamless ordering processes. Customers report using this supplier repeatedly for their breaker needs.
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Rating
114 reviews
- BBenVerified BuyerReviewingSquare D EDB34020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars10/20/26Breaker ordered and delivered.
Called in as a last attempt because my regular supplier didn't have any of these in stock. I got a very friendly salesperson, and they sold me a new breaker for less than half of what my standard supplier would have. Definitely going here again.
- AMAlex M.Verified BuyerReviewingSquare D EDB34070 - 70A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars10/19/26Another Perfect Order
SuperBreakers is an amazing resource for the company I work for. Their prices are very competitive to local suppliers and lower prices than we can get in our work area.
Thank you SuperBreakers!
- JLJeffery L.Verified BuyerReviewingSquare D EDB34125 - 125A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars10/16/26Square D Breakers
Good company & prices reasonable.
- COChris O.Verified BuyerReviewingSquare D EDB34125 - 125A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/4/26Fast and easy
Locating the product, checking out and delivery were top notch!
- JDJohn D.Verified BuyerReviewingSquare D EDB14020 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/16/26Great place
My rep has been very responsive and helpful. He always gives me a good deal also