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Square D EJB24020 - 20A 2 Pole Miniature Circuit Breaker

Brand Square D
SKU EJB24020
4.9
Rated 4.9 out of 5 stars
10 Reviews

Square D EJB24020 - 20A 2 Pole Miniature Circuit Breaker

Brand Square D
SKU EJB24020
4.9
Rated 4.9 out of 5 stars
10 Reviews
Select Item Condition
Earn 468 SuperPoints

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Square D EJB24020 - 20A 2 Pole Miniature Circuit Breaker

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$468.23 In stock

Quantity

Description
Rated for 20 amps, this 2-pole E-Frame circuit breaker delivers dependable power distribution for commercial and industrial facilities. It is designed to bolt into Square D NF panelboards, ensuring a tight, reliable connection for branch circuits. The breaker offers a 65kAIC interrupting rating at 480Y/277VAC and includes fixed thermal-magnetic trip functions. It is both HACR and HID rated for specialized lighting and HVAC loads, complete with a Visi-Trip indicator for quick status checks.

Specifications

Brand Square D
Series EJB
Part Number EJB24020
Amperage 20A
Voltage 120VAC, 240VAC, 480Y/277VAC
Poles 2
Phase 1
AIC Rating 100kA @ 120VAC, 100kA @ 240VAC, 65kA @ 480Y/277VAC
Mounting Style Bolt-On
Terminal Type Lugs
For Use With Square D NF Panelboards
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Wire Gauge 14-6 AWG (Cu), 12-6 AWG (Al)
Max Wire 6 AWG
Min Wire 14 AWG (Cu) / 12 AWG (Al)
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Aluminum Lugs Included
Standards CSA C22.2 No. 5, NEMA AB 1, NFPA 70, UL 489
Approval CSA, cULus, HACR, HID, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, HID Rated, Visual Trip Indicator

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Warranties

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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.

Click here to read our full warranty details

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.

Click here to read our full shipping policy

Same Day Shipping

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.

4.9
Rated 4.9 out of 5 stars
Based on 10 reviews
Total 5 star reviews: 9 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
10 reviews
  • RR
    Rodolfo R.
    Verified Buyer
    Reviewing
    Square D EJB34015 - 15A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/14/26
    Satisfied Customer

    The breaker was received in good condition and it works good. Lead time was not long it all.

    Very happy with SuperBreakers Rep. Good customer service.

  • RN
    Randy N.
    Verified Buyer
    Reviewing
    Square D EJB34070 - 70A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/14/25
    Breaker value

    saved a lot compared to what the electrician wanted to charge us, at least half the price.

  • TW
    Timothy W.
    Verified Buyer
    Reviewing
    Square D EJB34020 - 20A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/15/25
    Circuit Breaker

    Product arrived in a timely matter and met expectations to repair the problem that we had.

  • JR
    Jeffrey R.
    Verified Buyer
    Reviewing
    Square D EJB34080 - 80A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/23/25
    Great Price

    Great price on this hard to find breaker!

  • KF
    Kevin F.
    Verified Buyer
    Reviewing
    Square D EJB34030 - 30A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/11/25
    Great

    Just what is needed