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SQUARE D Miniature Circuit Breaker: 45 A, 277V AC, Single Phase, 18kA at 120/240V 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: 45 A, 277V AC, Single Phase, 18kA at 120/240V AC

The SQUARE D Miniature Circuit Breaker, part of the EDB & EGB Series, is a bolt-on unit rated for 45 A, single phase, and 277V AC. It has a maximum AIR rating of 18kA at 120/240V AC and is designed for use with…

SKU 3G-OTH-22267

Also listed as: EDB 14045 · EDB-14045

Brand
SQUARE D
Item
Miniature Circuit Breaker: 45 A, 277V AC, Single Phase, 18kA at 120/240V AC
Category
EDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers
Available to Order
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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
EDB14045
Type
Single Phase, 18kA at 120/240V AC, Std
AC
277V
Amps
45 A
Phase
Single
Poles
1
For Use With
Square D NF Panelboards
Max. AIR Rating
18kA at 120/240V AC
AC Voltage Rating
277V AC

Technical Documents

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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 45 A, single phase, and 277V AC. It has a maximum AIR rating of 18kA at 120/240V AC and is designed for use with Square D NF Panelboards.

Frequently Asked Questions

What is the SQUARE D EDB14045 miniature circuit breaker used for?

The SQUARE D EDB14045 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 up to 45 A and 277V AC.

What are the specifications of the SQUARE D EDB14045 circuit breaker?

The SQUARE D EDB14045 is a single-pole, single-phase miniature circuit breaker rated at 45 A and 277V AC. It has a maximum AIR rating of 18 kA at 120/240V AC. This bolt-on unit is part of the EDB & EGB Series and is intended for Square D NF Panelboards.

Where to buy the SQUARE D EDB14045 circuit breaker worldwide?

3G Electric supplies the SQUARE D EDB14045 miniature circuit breaker worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Square D bolt-on breaker.

How to install the SQUARE D EDB14045 miniature circuit breaker?

To install the SQUARE D EDB14045, ensure the panel is de-energized. Align the bolt-on terminals with the bus bar in a Square D NF Panelboard and tighten securely. Verify torque per manufacturer guidelines. Always follow local electrical codes and use appropriate personal protective equipment.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
SQUARE D Miniature Circuit Breaker: 35 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14035)
SQUARE D
SQUARE D Miniature Circuit Breaker: 35 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14035)
SQUARE D Miniature Circuit Breaker: 70 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14070)
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SQUARE D Miniature Circuit Breaker: 70 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14070)
SQUARE D Miniature Circuit Breaker: 40 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles (MPN EDB14040EPD)
SQUARE D
SQUARE D Miniature Circuit Breaker: 40 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles (MPN EDB14040EPD)
SQUARE D Miniature Circuit Breaker: 35 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24035)
SQUARE D
SQUARE D Miniature Circuit Breaker: 35 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24035)
SQUARE D Miniature Circuit Breaker: 30 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles (MPN EDB14030EPD)
SQUARE D
SQUARE D Miniature Circuit Breaker: 30 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles (MPN EDB14030EPD)
SQUARE D Miniature Circuit Breaker: 70 A, 277V AC, Single Phase, 18kA at 277/480V AC, 1 Poles (MPN EDB14070SA)
SQUARE D
SQUARE D Miniature Circuit Breaker: 70 A, 277V AC, Single Phase, 18kA at 277/480V AC, 1 Poles (MPN EDB14070SA)

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SQUARE D Miniature Circuit Breaker: 100 A, 277/480V AC, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24100)
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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: 70 A, 277/480V AC, Three Phase, 35kA at 277/488V AC, 3 Poles (MPN EGB34070)
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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: 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, Single Phase, 18kA at 277/480V AC, 2 Poles (MPN EDB24070)
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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)
SQUARE D Miniature Circuit Breaker: 25 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34025)
SQUARE D
SQUARE D Miniature Circuit Breaker: 25 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34025)
SQUARE D Miniature Circuit Breaker: 20 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles (MPN EDB14020EPD)
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles (MPN EDB14020EPD)