Designed specifically for 480Y/277VAC commercial electrical systems, this 50-amp miniature circuit breaker delivers robust thermal-magnetic overcurrent protection. The three-pole E-frame device bolts firmly into Square D NF panelboards to ensure stable connectivity in demanding environments. It features the signature Visi-Trip indicator to help maintenance personnel quickly spot tripped circuits. The unit carries an 18kAIC interrupting rating at its maximum voltage and is HACR rated.
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When shopping with SuperBreakers, you’ll have peace of mind knowing that every single item you purchase includes a 60 day warranty, free of charge. Why such confidence? Because only the highest quality electrical parts have a place on our shelves, and we stand by every single one we sell.
If anything goes wrong with your item that is not a result of misuse or normal wear and tear, we’ll gladly replace it at no cost to you.
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.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
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.
5.0
Rated 5.0 out of 5 stars
Based on 108 reviews
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Total 5 star reviews: 106
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Total 4 star reviews: 2
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Total 3 star reviews: 0
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Total 2 star reviews: 0
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Total 1 star reviews: 0
Reviews Summary
Generated by AI from 87 most recent customer reviews
Last updated 8/7/25
Customers say these circuit breakers arrive quickly and function as expected. Many reviews mention competitive pricing and reliable shipping. The ordering process receives praise for its simplicity, with users noting the website is easy to navigate. Frequent comments address product availability and proper packaging. While some note receiving older stock items, users consistently report the breakers work effectively.
Square D EDB34015 - 15A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/30/26
Great Experience from Start to Finish
Great experience! My order arrived on time and everything was exactly as expected. The items were packaged securely, and everything arrived in perfect condition. I appreciate the care taken with packaging and the prompt delivery. I would definitely order from them again!
TB
Theresa B.
Verified Buyer
Reviewing
Square D EDB34015 - 15A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/17/26
Works as expected
Breaker worked as expected. Price was good and shipping and delivery were expedient. No complaints
AS
Andy S.
Verified Buyer
Reviewing
Square D EDB34050 - 50A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
6/15/26
exactly what i needed
on time
CM
Chris M.
Verified Buyer
Reviewing
Square D EDB34100 - 100A 3 Pole Miniature Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
5/25/26
Arrived Quickly and Was Correct.
Shipped quickly and was correct when it arrived.
DD
David D.
Verified Buyer
Reviewing
Square D EDB34045 - 45A 3 Pole Miniature Circuit Breaker