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Square D EGB24015 Miniature Circuit Breaker

  • 15A
  • 2 Pole
  • Bolt-On
Square D EGB24015
Miniature Circuit Breaker
Brand Square D
SKU EGB24015
Select Item Condition
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  • 15A
  • 2 Pole
  • Bolt-On

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Square D EGB24015 - 15A 2 Pole Miniature Circuit Breaker

Square D EGB24015 - 15A 2 Pole Miniature Circuit Breaker

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$254.51 In Stock

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Description

Designed for heavy-duty commercial environments, this 15A two-pole breaker delivers reliable thermal-magnetic trip functions. It is optimized for 480Y/277V networks. Fastening firmly into Square D NF panelboards, this unit guarantees a stable connection. It serves as an exact functional substitute for discontinued EHB24015 breakers. A 65kAIC rating at 240V ensures excellent fault clearing. The built-in Visi-Trip indicator simplifies troubleshooting by highlighting tripped status.

Specifications

Key specifications
Brand Square D
Part Number EGB24015
Series EGB
Amperage 15A
Poles 2
Mounting Style Bolt-On
Voltage 120VAC, 240VAC, 480Y/277VAC
Phase 1
AIC Rating 65kA @ 120VAC, 65kA @ 240VAC, 35kA @ 480Y/277VAC
Fit and installation
Frame Type EGB
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)
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
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 -25C to 70C
Construction Features HACR Rated, HID Rated, Visual Trip Indicator

Product FAQs

9 answers
What panelboards are compatible with the Square D EGB24015?

The EGB24015 is designed exclusively for use in Square D NF series panelboards. It will not fit in NQ, I-Line, or QO load centers.

What does the G in the EGB24015 part number indicate?

The G designates the interrupting rating tier within the Square D E-Frame family. EGB breakers provide a 35kAIC rating at 480Y/277VAC, which is higher than the standard EDB (18kAIC) but lower than the high-interrupting EJB (65kAIC).

Can I replace an EDB24015 with an EGB24015?

Yes. The EGB24015 shares the exact same physical dimensions and mounting footprint as the EDB24015, but offers a higher short-circuit interrupting rating (35kAIC versus 18kAIC at 480Y/277VAC).

What is the recommended lug tightening torque for the EGB24015?

The load lugs on the EGB24015 should be torqued to 30 lbf-in (3.4 N-m) when using 14 to 6 AWG copper or 12 to 6 AWG aluminum wire.

Can the EGB24015 be used on a 120/240VAC system?

Yes. While it is rated for up to 480Y/277VAC, it is fully compatible with 120/240VAC and 240VAC systems, where it provides an increased interrupting rating of 65kAIC.

Does the EGB24015 require a separate mounting kit?

No. As a bolt-on breaker, the EGB24015 mounts directly to the bus of a Square D NF panelboard using the integrated mounting screws. No additional hardware kit is required.

Is the EGB24015 suitable for reverse-feed applications?

Yes. Standard thermal-magnetic E-Frame breakers like the EGB24015 do not have line and load markings, making them suitable for reverse-feed applications such as backfed main breakers, provided they are properly labeled and secured per NEC requirements.

What type of trip unit is installed in the EGB24015?

It features a fixed thermal-magnetic trip unit providing Long-Time (L) and Instantaneous (I) protection. The thermal and magnetic trip points are factory-set and non-adjustable.

Can I use aluminum wire with the EGB24015?

Yes, the factory-installed lugs are AL/CU rated. They accept 12 to 6 AWG aluminum wire or 14 to 6 AWG copper wire.

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Reviews

4.9
Rated 4.9 out of 5 stars
Based on 25 reviews
Total 5 star reviews: 23 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
25 reviews
  • RS
    Robert S.
    Verified Buyer
    Reviewing
    Square D EGB34015 - 15A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    4/21/26
    New breaker

    Great product, exactly what I needed and shipped in a timely manner!

  • EB
    Ed B.
    Verified Buyer
    Reviewing
    Square D EGB34100 - 100A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/5/25
    100 amp breaker

    Prompt ordering and shipping at a fair price. Thanks

  • EB
    Ed B.
    Verified Buyer
    Reviewing
    Square D EGB34015 - 15A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    10/11/25
    Breaker purchase

    quick response and shipping

  • TI
    Tim I.
    Verified Buyer
    Reviewing
    Square D EGB34040 - 40A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/6/25
    Problem Solved

    The breakers showed up packaged very well and in great shape. The pricing was very competitive and solved our problem sourcing older circuit breakers.

  • MK
    Marvin K.
    Verified Buyer
    Reviewing
    Square D EGB34045 - 45A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/25
    Square D EGB34045 3 Pole Circuit Breaker

    Breaker and service was great and always has been. Looking forward more business in the future. Thanks.