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SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC - QO Series, Plug-In Square D Miniature Circuit Breakers
SQUARE DQO Series, Plug-In Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC

The SQUARE D QO Series Miniature Circuit Breaker (MPN QO120VH) is a 20 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for use with QO Load Centers and…

SKU 3G-OTH-21555

Brand
SQUARE D
Item
Miniature Circuit Breaker: 20 A, 120/240V AC, Single Phase, 22kA at 120/240V AC
Category
QO Series, Plug-In Square D Miniature Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO120VH
Type
Single Phase, 22kA at 120/240V AC
AC
120/240V
Amps
20 A
Phase
Single
Poles
1
For Use With
QO Load Centers and NQ Panelboards
Max. AIR Rating
22kA 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 QO Series Miniature Circuit Breaker (MPN QO120VH) is a 20 A, single-phase, plug-in unit rated for 120/240V AC with a maximum AIR rating of 22kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this 1-pole breaker provides overcurrent protection in industrial electrical distribution systems.

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 qo series, plug-in 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: 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO215HID). Key specifications — Phase: Single; Amps: 15 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO21001021). Key specifications — Phase: Single; Amps: 100 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 100 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO21001021). Key specifications — Phase: Single; Amps: 100 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 70 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QO370). Key specifications — Phase: Three; Amps: 70 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QO350). Key specifications — Phase: Three; Amps: 50 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 60 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QO160). Key specifications — Phase: Single; Amps: 60 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 90 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO290VH). Key specifications — Phase: Single; Amps: 90 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 90 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO290VH). Key specifications — Phase: Single; Amps: 90 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 150 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO2150VH). Key specifications — Phase: Single; Amps: 150 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
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SQUARE D Miniature Circuit Breaker: 150 A, 120/240V AC, Single Phase, 22kA at 120/240V AC, 2 Poles (MPN QO2150VH). Key specifications — Phase: Single; Amps: 150 A; AC Voltage Rating: 120/240V AC; Max. AIR Rating: 22kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.