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Square D QO312L125G Load Center

Brand Square D
SKU QO312L125G
4.9
Rated 4.9 out of 5 stars
278 Reviews

Square D QO312L125G Load Center

Brand Square D
SKU QO312L125G
4.9
Rated 4.9 out of 5 stars
278 Reviews
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Square D QO312L125G Load Center

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$295.00 No stock

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DescriptionSpecificationsSuperClubWarranties
Description

Square D QO312L125G Load Center

The Square D QO312L125G is a load center with a current rating of 125 Amps and a voltage rating of 208Y/120/240VAC. It has a short circuit current rating of 65kAIC. The QO312L125G is used for QO circuit breakers.

Specifications

Brand Square D
Series QO
Amperage 125
Voltage 208Y/120/240VAC
Phase 3
Approval UL
Terminal Connection Lugs
Nema Rating 1
Length (in) 3-3/4
Width (in) 14.25
Height (in) 17.91
Wire Gauge AWG 6 to AWG 2/0, Aluminum/Copper
For Use With QO Circuit Breakers
Standards RoHS, REACh
Temperature Rating 23 to 104 °F
Circuit Breaker Type QO
Number Of Wires 3, 4
Color Gray
Enclosure Material Welded Sheet Steel
Mpn QO312L125G
Upc 785901295037
Gtin 00785901295037

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Warranties

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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.

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Shipping

Free Shipping Policy

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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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.
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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.

4.9
Rated 4.9 out of 5 stars
Based on 278 reviews
Total 5 star reviews: 264 Total 4 star reviews: 12 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 1
Reviews Summary
Customers say these circuit breakers fit properly and work as expected. Many reviews mention fast shipping and competitive pricing compared to local suppliers. Users frequently note the company's extensive inventory, particularly for hard-to-find or specialty breakers. Common feedback includes satisfaction with product quality and reliable performance. Several customers appreciate finding items unavailable at local stores. While most praise the quick delivery and packaging, one customer experienced receiving the wrong amperage breaker. Overall, reviewers consistently highlight the combination of good pricing, fast service, and product availability.
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278 reviews
  • MA
    MIKE A.
    Verified Buyer
    Reviewing
    Square D QO120GFI - 20A GFCI Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/9/26
    Worked fine

    Worked like it should

    Was this helpful?
  • EC
    Edward C.
    Verified Buyer
    Reviewing
    Square D QO120 - 20A 1 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/3/26
    Great Service!

    I appreciate the order arriving in a timely manor and Tony (Salesperson) was very helpful and getting what I needed. Also they don’t jack up the prices like some supply houses do. I have an account with a local supply house and the cost would have been at least $250, more. Again Thanks, Ed

    Was this helpful?
  • TS
    Tyler S.
    Verified Buyer
    Reviewing
    Square D QO230EPD - 30A GFEP Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/27/26
    Good price

    Ships fast great price and no issues with quality.

    Was this helpful?
  • JC
    James C.
    Verified Buyer
    Reviewing
    Square D QO120PCAFI - 20A AFCI Miniature Circuit Breaker
    I do not recommend this product
    Rated 1 out of 5 stars
    3/27/26
    Horrible Customer Service

    I placed an order on a Thursday and paid for 2-day shipping. When i called for tracking on Friday they said the order would ship Monday and that is when the 2-day shipping takes effect. I stated this was unacceptable and asked for the order to be cancelled. The sales rep was very rude, but did say he cancelled the order. The order was shipped and my card was charged. I have had to dispute this with my CC provider and will have to file a BBB complaint. Don't buy anything from this place. They do not respect their customers and will flat out lie to you.

    Was this helpful?
  • MA
    Merle A.
    Verified Buyer
    Reviewing
    Square D QO130 - 30A 1 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/25/26
    Breakers

    Received in a timely manner

    Was this helpful?

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