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SQUARE D Miniature Circuit Breaker: 15/20 A, 120/240V AC, Single Phase - QOT Series, Plug-In Square D Miniature Circuit Breakers
SQUARE DQOT Series, Plug-In Square D Miniature Circuit Breakers

SQUARE D Miniature Circuit Breaker: 15/20 A, 120/240V AC, Single Phase

The SQUARE D QOT Series Miniature Circuit Breaker (MPN QOT1520) is a plug-in, single-phase breaker rated 15/20 A at 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers…

SKU 3G-OTH-22700

Brand
SQUARE D
Item
Miniature Circuit Breaker: 15/20 A, 120/240V AC, Single Phase
Category
QOT Series, Plug-In Square D Miniature Circuit Breakers
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Technical Specifications

SQUARE D
Manufacturer Part Number
QOT1520
Type
Single Phase, 10kA at 120/240V AC
AC
120/240V
Amps
15/20 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
120/240V AC
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D QOT Series Miniature Circuit Breaker (MPN QOT1520) is a plug-in, single-phase breaker rated 15/20 A at 120/240V AC with a maximum AIR rating of 10kA at 120/240V AC. Designed for use with QO Load Centers and NQ Panelboards, this single-pole unit provides overcurrent protection in a compact form factor.

Frequently Asked Questions

What is the SQUARE D QOT1520 miniature circuit breaker used for?

The SQUARE D QOT1520 provides overcurrent protection for single-phase branch circuits in residential and commercial electrical panels. It is designed for use with QO Load Centers and NQ Panelboards, safeguarding wiring and equipment from overloads and short circuits at 120/240V AC.

What are the specifications of the SQUARE D QOT1520 circuit breaker?

The SQUARE D QOT1520 is a single-pole, plug-in miniature circuit breaker rated 15/20 A at 120/240V AC, single phase. It has a maximum AIR rating of 10kA at 120/240V AC and is compatible with QO Load Centers and NQ Panelboards. The brand is SQUARE D.

Where to buy SQUARE D QOT1520 circuit breakers worldwide?

3G Electric supplies the SQUARE D QOT1520 miniature circuit breaker to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this single-pole breaker.

How to install the SQUARE D QOT1520 circuit breaker?

To install the SQUARE D QOT1520, ensure the panel is de-energized. Align the breaker's plug-in base with the bus bar in a QO Load Center or NQ Panelboard and press firmly until it snaps into place. Verify the handle is in the OFF position before connecting load wires. Follow local electrical codes.

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 qot 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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