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Square D EDB34100 Miniature Circuit Breaker

  • 100A
  • 3 Pole
  • Bolt-On
Square D EDB34100
Miniature Circuit Breaker
Brand Square D
SKU EDB34100
Select Item Condition
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  • 100A
  • 3 Pole
  • Bolt-On

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Square D EDB34100 - 100A 3 Pole Miniature Circuit Breaker

Square D EDB34100 - 100A 3 Pole Miniature Circuit Breaker

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$333.99 In Stock

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Description

Designed for 480Y/277V commercial systems, this 100A, 3-pole miniature circuit breaker ensures consistent power distribution and protection. It mounts into Square D NF series panelboards using a dependable bolt-on connection that withstands industrial vibrations. Delivering an 18 kAIC interrupt rating at its maximum voltage, the unit features a non-interchangeable trip and the highly visible Visi-Trip indicator to quickly identify tripped circuits during maintenance.

Specifications

Key specifications
Brand Square D
Part Number EDB34100
Series EDB
Amperage 100A
Poles 3
Mounting Style Bolt-On
Voltage 120VAC, 240VAC, 277VAC, 480Y/277VAC, 120/240VAC
Phase 3
AIC Rating 25kA @ 120VAC, 25kA @ 240VAC, 18kA @ 277VAC, 18kA @ 480Y/277VAC, 25kA @ 120/240VAC
Fit and installation
Frame Type EDB
Terminal Type Lugs
For Use With Square D NF Panelboards
Wire Gauge 14-2/0 AWG (Cu), 12-2/0 AWG (Al)
Max Wire 2/0 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
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, NEMA AB 1, UL 489
Approval CSA, cULus, HACR, NOM, UL
Temp Rating 40C
Construction Features HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip

Product FAQs

8 answers
Which panelboards are compatible with the Square D EDB34100?

This E-frame circuit breaker is designed specifically for use in Square D NF panelboards. It hooks onto the mounting rail and bolts directly to the bus assembly.

How many panel spaces does the EDB34100 require?

As a 3-pole E-frame circuit breaker, it occupies three standard pole spaces in a compatible NF panelboard.

What is the recommended lug torque specification for this breaker?

The required tightening torque depends on the wire size used. For 14 to 10 AWG conductors, torque the lugs to 34.5 lb-in (3.9 N.m). For larger 8 to 2/0 AWG conductors, tighten to 50 lb-in (5.6 N.m).

Is this circuit breaker suitable for HVAC applications?

Yes, the EDB34100 is HACR rated, meaning it is certified and approved for use with heating, air conditioning, and refrigeration systems.

What are the instantaneous trip settings for the EDB34100?

The magnetic instantaneous trip mechanism features a hold current of 1000A and a trip current of 2300A. This means the breaker will hold up to 1000A without an instantaneous trip, but is guaranteed to trip instantly if the fault current reaches 2300A.

What is the ambient temperature calibration for this breaker?

The thermal magnetic trip unit in this breaker is factory calibrated for an ambient operating temperature of 40 degrees Celsius (104 degrees Fahrenheit).

Are there higher interrupting rating alternatives available for this model?

Yes. If your electrical system requires a higher fault current rating than 18kA at 480Y/277VAC, you can upgrade to the EGB34100, which is rated at 35kA, or the EJB34100, rated at 65kA. Both alternatives share the same physical dimensions and fit the exact same NF panelboards.

Does this breaker provide a visual trip indication?

Yes, E-frame breakers feature a signal indicator that visually confirms when a trip has occurred, allowing electricians to quickly identify faulted circuits within the panelboard.

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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