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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 EDB34050SA is a 50 A, three-phase miniature circuit breaker from the EDB & EGB Series, designed for bolt-on installation. It is rated for 277/480V AC with a maximum AIR rating of 18kA at 277/480V AC and…

SKU 3G-OTH-22300

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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Technical Specifications

SQUARE D
Manufacturer Part Number
EDB34050SA
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
View Full Spec Sheet

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

Product Description

The SQUARE D EDB34050SA is a 50 A, three-phase miniature circuit breaker from the EDB & EGB Series, designed for bolt-on installation. It is rated for 277/480V AC with a maximum AIR rating of 18kA at 277/480V AC and is intended for use with Square D NF Panelboards.

Frequently Asked Questions

What is the SQUARE D EDB34050SA miniature circuit breaker used for?

The SQUARE D EDB34050SA is a 50 A, three-phase miniature circuit breaker used for overcurrent protection in commercial and industrial electrical distribution systems. 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 EDB34050SA?

The SQUARE D EDB34050SA is a 50 A, three-phase 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 designed for bolt-on installation in Square D NF Panelboards. The manufacturer part number is EDB34050SA.

Where to buy the SQUARE D EDB34050SA worldwide?

You can source the SQUARE D EDB34050SA 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; we supply genuine SQUARE D components for your panelboard needs.

How to install the SQUARE D EDB34050SA circuit breaker?

To install the SQUARE D EDB34050SA, ensure the panelboard is de-energized. Align the breaker's bolt-on mounting tabs with the bus bar in a Square D NF Panelboard, then tighten the mounting screws to the manufacturer's recommended torque. 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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SQUARE D Miniature Circuit Breaker: 50 A, 277V AC, Single Phase, 18kA at 120/240V AC, 1 Poles, Std (MPN EDB14050). Key specifications — Phase: Single; Amps: 50 A; AC Voltage Rating: 277V AC; Max. AIR Rating: 18kA at 120/240V AC; For Use With: Square D NF Panelboards; Brand: SQUARE D.