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SQUARE D Miniature Circuit Breaker: 20 A, 120V AC, Single Phase, 10kA 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, 120V AC, Single Phase, 10kA at 120/240V AC

The SQUARE D QO Series Miniature Circuit Breaker (MPN QO120GFI) is a 20 A, single-phase, plug-in breaker rated for 120V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and…

SKU 3G-OTH-21596

Brand
SQUARE D
Item
Miniature Circuit Breaker: 20 A, 120V AC, Single Phase, 10kA at 120/240V AC
Category
QO Series, Plug-In 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
QO120GFI
Type
Single Phase, 10kA at 120/240V AC
AC
120V
Amps
20 A
Phase
Single
Poles
1
For Use With
QO Load Centers and NQ Panelboards
Max. AIR Rating
10kA at 120/240V AC
AC Voltage Rating
120V AC

Technical Documents

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

Product Description

The SQUARE D QO Series Miniature Circuit Breaker (MPN QO120GFI) is a 20 A, single-phase, plug-in breaker rated for 120V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this 1-pole device provides overcurrent protection in industrial electrical distribution systems.

Frequently Asked Questions

What is the SQUARE D QO120GFI miniature circuit breaker used for?

The SQUARE D QO120GFI provides overcurrent protection in industrial electrical distribution systems. It is designed for use with QO Load Centers and NQ Panelboards, protecting single-phase circuits rated at 20 A and 120V AC.

What are the specifications of the SQUARE D QO120GFI circuit breaker?

The SQUARE D QO120GFI is a 1-pole, single-phase miniature circuit breaker rated 20 A at 120V AC. It has a maximum AIR rating of 10kA at 120/240V AC and is designed for plug-in installation in QO Load Centers and NQ Panelboards.

Where to buy the SQUARE D QO120GFI circuit breaker worldwide?

3G Electric supplies the SQUARE D QO120GFI miniature circuit breaker to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive genuine industrial electrical components for your distribution system.

How to install the SQUARE D QO120GFI circuit breaker?

Install the SQUARE D QO120GFI by plugging it into a compatible QO Load Center or NQ Panelboard. Ensure power is off, align the breaker with the bus bar, and press firmly until it snaps into place. Follow all local electrical codes and manufacturer guidelines.

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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