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SQUARE D Miniature Circuit Breaker: 50 A, 277/480V AC, Three 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: 50 A, 277/480V AC, Three Phase, 18kA at 277/480V AC

The SQUARE D EDB34050 is a 50 A, three-phase miniature circuit breaker from the EDB & EGB Series, designed for bolt-on installation. It has an AC voltage rating of 277/480V AC and a maximum AIR rating of 18kA at…

SKU 3G-OTH-22293

Also listed as: EDB 34050 · EDB-34050

Brand
SQUARE D
Item
Miniature Circuit Breaker: 50 A, 277/480V AC, Three Phase, 18kA at 277/480V AC
Category
EDB & EGB Series, Bolt-On Square D Miniature Circuit Breakers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
EDB34050
Type
Three Phase, 18kA at 277/480V AC
AC
277/480V
Amps
50 A
Phase
Three
Poles
3
For Use With
Square D NF Panelboards
Max. AIR Rating
18kA at 277/480V AC
AC Voltage Rating
277/480V AC

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

Product Description

The SQUARE D EDB34050 is a 50 A, three-phase miniature circuit breaker from the EDB & EGB Series, designed for bolt-on installation. It has an AC voltage rating of 277/480V AC and a maximum AIR rating of 18kA at 277/480V AC. This 3-pole breaker is intended for use with Square D NF Panelboards.

Frequently Asked Questions

What is the SQUARE D EDB34050 miniature circuit breaker used for?

The SQUARE D EDB34050 is a 50 A, three-phase miniature circuit breaker used for overcurrent protection in commercial and industrial electrical distribution. It is designed for bolt-on installation in Square D NF Panelboards, protecting circuits rated up to 277/480V AC.

What are the specifications of the SQUARE D EDB34050?

The SQUARE D EDB34050 is a 3-pole, three-phase miniature circuit breaker rated at 50 A and 277/480V AC. It has a maximum AIR rating of 18kA at 277/480V AC. This EDB & EGB Series breaker is for use with Square D NF Panelboards.

Where to buy the SQUARE D EDB34050 worldwide?

3G Electric supplies the SQUARE D EDB34050 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.

How to install the SQUARE D EDB34050 miniature circuit breaker?

Install the SQUARE D EDB34050 by bolting it into a compatible Square D NF Panelboard. Ensure power is off, verify voltage and amp ratings match your system, and torque connections to manufacturer specifications. Always follow local electrical codes and use qualified personnel.

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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SQUARE D Miniature Circuit Breaker: 40 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34040)
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SQUARE D Miniature Circuit Breaker: 60 A, 277/480V AC, Three Phase, 18kA at 277/480V AC, 3 Poles (MPN EDB34060)

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