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Square D EDB36030 Miniature Circuit Breaker

  • 30A
  • 3 Pole
  • Bolt-On
Square D EDB36030
Miniature Circuit Breaker
Brand Square D
SKU EDB36030
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  • 30A
  • 3 Pole
  • Bolt-On

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EDB36030

Square D EDB36030 - 30A 3 Pole Miniature Circuit Breaker

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$707.60 In Stock

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Description

Designed for 3-phase commercial applications, the Square D EDB36030 is a 30A miniature circuit breaker. It offers fixed long-time and instantaneous trip functions to maintain system safety. The breaker features a bolt-on mounting configuration tailored exclusively for Square D NF panelboards. Capable of interrupting 18 kAIC at 480Y/277V, this E-Frame unit meets UL 489 standards. It also includes the signature Visi-Trip visual indicator, making it simple to spot a tripped circuit in a panel.

Specifications

Key specifications
Brand Square D
Part Number EDB36030
Series EDB
Amperage 30A
Poles 3
Mounting Style Bolt-On
Voltage 120VAC, 240VAC, 277VAC, 480Y/277VAC, 600Y/347VAC, 120/240VAC
Phase 3
AIC Rating 25kA @ 120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 25kA @ 120/240VAC
Fit and installation
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)
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 Load Side Lugs Included
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, NOM-117, UL 489
Approval CSA, cULus, HACR, HID, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, HID Rated, Visual Trip Indicator, Non-Interchangeable Trip

Product FAQs

6 answers
Which panelboards accept the EDB36030 circuit breaker?

This breaker is designed specifically for Square D NF series panelboards. It features a bolt-on mounting design and will not fit in NQ, I-Line, or QO load centers.

What is the difference between EDB, EGB, and EJB circuit breakers?

EDB, EGB, and EJB are all E-Frame breakers designed for NF panelboards. They share the same physical dimensions and trip features but offer different maximum interrupting ratings. EDB provides 18kAIC at 480Y/277VAC, while EGB offers 35kAIC and EJB offers 65kAIC.

What wire sizes do the factory-installed lugs on the EDB36030 accept?

The standard lugs accept 14 to 6 AWG copper wire or 12 to 6 AWG aluminum wire. Always refer to the labeling on the breaker body for specific torque requirements during installation.

Is the EDB36030 rated for HVAC equipment?

Yes, this E-Frame breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications. It is also HID rated for high-intensity discharge lighting circuits.

Can this breaker be used on 480V or 600V systems?

Yes. The EDB36030 is rated for 480Y/277VAC grounded Wye systems with an 18kAIC interrupting rating. It is also rated for 600Y/347VAC systems with a 14kAIC rating.

Can the trip settings be adjusted on this breaker?

No, the EDB36030 features a fixed thermal-magnetic trip unit. Both the long-time and instantaneous trip functions are factory set and cannot be adjusted in the field.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 111 reviews
Total 5 star reviews: 109
Total 4 star reviews: 2
Total 3 star reviews: 0
Total 2 star reviews: 0
Total 1 star reviews: 0
Reviews Summary
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.
Rating
Ratings
111 reviews
  • CO
    Chris O.
    Verified Buyer
    Reviewing
    Square D EDB34125 - 125A 3 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/26
    Fast and easy

    Locating the product, checking out and delivery were top notch!

  • JD
    John D.
    Verified Buyer
    Reviewing
    Square D EDB14020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/16/26
    Great place

    My rep has been very responsive and helpful. He always gives me a good deal also

  • DH
    Dave H.
    Verified Buyer
    Reviewing
    Square D EDB34020 - 20A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/6/26
    Brfeaker

    good service and quick ship

  • RP
    Ronica P.
    Verified Buyer
    Reviewing
    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