Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SQUARE D Miniature Circuit Breaker: 15 A, 120V AC, Three Phase, 10kA at 120V 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: 15 A, 120V AC, Three Phase, 10kA at 120V AC

The SQUARE D QO315GFI is a three-phase, 15 A miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It has a 120V AC voltage rating and a maximum AIR…

SKU 3G-OTH-21387

Brand
SQUARE D
Item
Miniature Circuit Breaker: 15 A, 120V AC, Three Phase, 10kA at 120V AC
Category
QO Series, Plug-In Square D Miniature Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SQUARE D
Manufacturer Part Number
QO315GFI
Type
Three Phase, 10kA at 120V AC
AC
120V
Amps
15 A
Phase
Three
Poles
3
For Use With
QO Load Centers and NQ Panelboards
Max. AIR Rating
10kA at 120V AC
AC Voltage Rating
120V AC
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D QO315GFI is a three-phase, 15 A miniature circuit breaker from the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. It has a 120V AC voltage rating and a maximum AIR rating of 10kA at 120V AC.

Frequently Asked Questions

What is the SQUARE D QO315GFI miniature circuit breaker used for?

The SQUARE D QO315GFI is a three-phase, 15 A miniature circuit breaker used for overcurrent and ground-fault protection in QO Load Centers and NQ Panelboards. It is commonly applied in commercial and industrial electrical distribution systems where 120V AC branch circuits require reliable protection.

What are the specifications of the SQUARE D QO315GFI?

The SQUARE D QO315GFI is a 3-pole, 15 A, 120V AC miniature circuit breaker with a maximum AIR rating of 10kA at 120V AC. It is part of the QO Series, designed for plug-in installation in QO Load Centers and NQ Panelboards. The manufacturer part number is QO315GFI.

Where to buy the SQUARE D QO315GFI worldwide?

3G Electric supplies the SQUARE D QO315GFI miniature circuit breaker worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SQUARE D QO Series breaker.

How to install the SQUARE D QO315GFI circuit breaker?

To install the SQUARE D QO315GFI, 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, then press firmly until it snaps into place. Verify the breaker is fully seated and the handle operates freely before restoring power.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SQUARE D Miniature Circuit Breaker: 20 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO320GFI). Key specifications — Phase: Three; Amps: 20 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO320GFI). Key specifications — Phase: Three; Amps: 20 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 30 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO330GFI). Key specifications — Phase: Three; Amps: 30 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 30 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO330GFI). Key specifications — Phase: Three; Amps: 30 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 40 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO340GFI). Key specifications — Phase: Three; Amps: 40 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 40 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO340GFI). Key specifications — Phase: Three; Amps: 40 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 50 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO350GFI). Key specifications — Phase: Three; Amps: 50 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 50 A, 120V AC, Three Phase, 10kA at 120V AC, 3 Poles (MPN QO350GFI). Key specifications — Phase: Three; Amps: 50 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D Miniature Circuit Breaker: 15 A, 120/240V AC, Three Phase, 22kA at 120/240V AC, 3 Poles (MPN QO315VH). Key specifications — Phase: Three; Amps: 15 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
SQUARE D Miniature Circuit Breaker: 15 A, 120/240V AC, Three Phase, 22kA at 120/240V AC, 3 Poles (MPN QO315VH). Key specifications — Phase: Three; Amps: 15 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: 50 A, 240V AC, Three Phase, 10kA at 240V AC, 3 Poles (MPN QO350EPD). Key specifications — Phase: Three; Amps: 50 A; AC Voltage Rating: 240V AC; Max. AIR Rating: 10kA at 240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 50 A, 240V AC, Three Phase, 10kA at 240V AC, 3 Poles (MPN QO350EPD). Key specifications — Phase: Three; Amps: 50 A; AC Voltage Rating: 240V AC; Max. AIR Rating: 10kA at 240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.

More from SQUARE D

View all SQUARE D parts →
SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO225). Key specifications — Phase: Single; Amps: 25 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
SQUARE D Miniature Circuit Breaker: 25 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO225). Key specifications — Phase: Single; Amps: 25 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: 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO250EPD). Key specifications — Phase: Single; 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.
SQUARE D
SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO250EPD). Key specifications — Phase: Single; 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.
SQUARE D Miniature Circuit Breaker: 35 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO235). Key specifications — Phase: Single; Amps: 35 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
SQUARE D Miniature Circuit Breaker: 35 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO235). Key specifications — Phase: Single; Amps: 35 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: 10 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QO310). Key specifications — Phase: Three; Amps: 10 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
SQUARE D Miniature Circuit Breaker: 10 A, 120/240V AC, Three Phase, 10kA at 120/240V AC, 3 Poles (MPN QO310). Key specifications — Phase: Three; Amps: 10 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: 20 A, 120V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QO120GFI). Key specifications — Phase: Single; Amps: 20 A; AC Voltage Rating: 120V AC; Max. AIR Rating: 10kA at 120/240V AC; For Use With: QO Load Centers and NQ Panelboards; Brand: SQUARE D.
SQUARE D
SQUARE D Miniature Circuit Breaker: 20 A, 120V AC, Single Phase, 10kA at 120/240V AC, 1 Poles (MPN QO120GFI). Key specifications — Phase: Single; Amps: 20 A; AC Voltage Rating: 120V 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: 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO250GFI). Key specifications — Phase: Single; 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.
SQUARE D
SQUARE D Miniature Circuit Breaker: 50 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO250GFI). Key specifications — Phase: Single; 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.
SQUARE D Miniature Circuit Breaker: 10 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO210). Key specifications — Phase: Single; Amps: 10 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
SQUARE D Miniature Circuit Breaker: 10 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO210). Key specifications — Phase: Single; Amps: 10 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: 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO2151021). 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.
SQUARE D
SQUARE D Miniature Circuit Breaker: 15 A, 120/240V AC, Single Phase, 10kA at 120/240V AC, 2 Poles (MPN QO2151021). 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.