Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

SQUARE D Miniature Circuit Breaker: 30 A, 277/480V AC, Single Phase, 18kA at 277/480V AC - EDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers
SQUARE DEDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 30 A, 277/480V AC, Single Phase, 18kA at 277/480V AC

The SQUARE D Miniature Circuit Breaker, part of the EDB & EGB Series, is a bolt-on unit rated for 30 A, single phase, and 277/480V AC. It has a maximum AIR rating of 18kA at 277/480V AC and is designed for use with…

SKU 3G-OTH-22617

Also listed as: EDB 24030 · EDB-24030

Brand
SQUARE D
Item
Miniature Circuit Breaker: 30 A, 277/480V AC, Single Phase, 18kA at 277/480V AC
Category
EDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
EDB24030
Type
Single Phase, 18kA at 277/480V AC
AC
277/480V
Amps
30 A
Phase
Single
Poles
2
For Use With
Square D NF Panelboards
Max. AIR Rating
18kA at 277/480V AC
AC Voltage Rating
277/480V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Miniature Circuit Breaker, part of the EDB & EGB Series, is a bolt-on unit rated for 30 A, single phase, and 277/480V AC. It has a maximum AIR rating of 18kA at 277/480V AC and is designed for use with Square D NF Panelboards.

Frequently Asked Questions

What is the SQUARE D EDB24030 miniature circuit breaker used for?

The SQUARE D EDB24030 is a bolt-on miniature circuit breaker used for overcurrent protection in commercial and industrial electrical panels. It is specifically designed for use with Square D NF Panelboards, protecting single-phase circuits rated at 30 A and 277/480V AC.

What are the specifications of the SQUARE D EDB24030?

The SQUARE D EDB24030 is a 30 A, single-phase, bolt-on miniature circuit breaker with an AC voltage rating of 277/480V AC. It has a maximum AIR rating of 18kA at 277/480V AC and is part of the EDB & EGB Series. It is designed for use with Square D NF Panelboards.

Where to buy the SQUARE D EDB24030 worldwide?

You can source the SQUARE D EDB24030 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Square D miniature circuit breaker.

How to install the SQUARE D EDB24030 miniature circuit breaker?

To install the SQUARE D EDB24030, ensure the panel is de-energized. Align the bolt-on breaker with the busbar in a Square D NF Panelboard and tighten the mounting bolt securely. Connect the load wire to the terminal and torque to manufacturer specifications. Always follow local electrical codes.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D edb & egb series, bolt-on square d miniature circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Miniature Circuit Breaker: 60 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24060)
SQUARE D
SQUARE D Miniature Circuit Breaker: 60 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24060)
SQUARE D Miniature Circuit Breaker: 50 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24050)
SQUARE D
SQUARE D Miniature Circuit Breaker: 50 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24050)
SQUARE D Miniature Circuit Breaker: 20 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24020)
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24020)
SQUARE D Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24040)
SQUARE D
SQUARE D Miniature Circuit Breaker: 40 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24040)
SQUARE D Miniature Circuit Breaker: 110 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24110)
SQUARE D
SQUARE D Miniature Circuit Breaker: 110 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24110)
SQUARE D Miniature Circuit Breaker: 15 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24015)
SQUARE D
SQUARE D Miniature Circuit Breaker: 15 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24015)

More from SQUARE D

View all SQUARE D parts
SQUARE D Miniature Circuit Breaker: 80 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24080)
SQUARE D
SQUARE D Miniature Circuit Breaker: 80 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24080)
SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34100)
SQUARE D
SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34100)
SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24100)
SQUARE D
SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24100)
SQUARE D Miniature Circuit Breaker: 40 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14040)
SQUARE D
SQUARE D Miniature Circuit Breaker: 40 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14040)
SQUARE D Miniature Circuit Breaker: 70 A, 277/480V AC, Three Phase, 35kA at 277/488V AC, 3 Poles (MPN EGB34070)
SQUARE D
SQUARE D Miniature Circuit Breaker: 70 A, 277/480V AC, Three Phase, 35kA at 277/488V AC, 3 Poles (MPN EGB34070)
SQUARE D Miniature Circuit Breaker: 70 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24070)
SQUARE D
SQUARE D Miniature Circuit Breaker: 70 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24070)
SQUARE D Miniature Circuit Breaker: 35 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34035)
SQUARE D
SQUARE D Miniature Circuit Breaker: 35 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34035)
SQUARE D Miniature Circuit Breaker: 90 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24090)
SQUARE D
SQUARE D Miniature Circuit Breaker: 90 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24090)