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SQUARE D Miniature Circuit Breaker: 80 A, 120/240V AC, Single Phase, 10kA at 120/240V AC - QOB Series, Bolt-On Square D Miniature Circuit Breakers
SQUARE DQOB Series, Bolt-On Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 80 A, 120/240V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QOB280 is a 2-pole, 80 A, single-phase miniature circuit breaker from the QOB Series, designed for bolt-on installation. It has an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at…

SKU 3G-OTH-23390

Brand
SQUARE D
Item
Miniature Circuit Breaker: 80 A, 120/240V AC, Single Phase, 10kA at 120/240V AC
Category
QOB Series, Bolt-On Square D Miniature Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QOB280
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
80 A
Phase
Single
Poles
2
For Use With
Square D NQOD Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120/240V AC
View Full Spec Sheet

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

Product Description

The SQUARE D QOB280 is a 2-pole, 80 A, single-phase miniature circuit breaker from the QOB Series, designed for bolt-on installation. It has an AC voltage rating of 120/240V AC and a maximum AIR rating of 10kA at 120/240V AC. This breaker is intended for use with Square D NQOD panelboards.

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 qob 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: 90 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QOB290VH). Key specifications — Phase: Single; Amps: 90 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: Square D NQOD Panelboards; Brand: SQUARE D.