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SQUARE D QO2DTI Interlock Attachment for QO/QOB Circuit Breakers - Square D Circuit Breaker Locks, Padlocks & Interlocks
SQUARE DSquare D Circuit Breaker Locks, Padlocks & Interlocks

SQUARE D QO2DTI Interlock Attachment for QO/QOB Circuit Breakers

The SQUARE D Interlock Attachment (MPN QO2DTI) is a steel accessory designed for use with Square D QO and QOB miniature circuit breakers. This interlock attachment includes one steel component and is categorized as…

SKU 3G-OTH-20878

Brand
SQUARE D
Item
QO2DTI Interlock Attachment for QO/QOB Circuit Breakers
Part Number
QO2DTI
Category
Square D Circuit Breaker Locks, Padlocks & Interlocks
Available to Order
Also known as:QO2DTISQUARE D
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Technical Specifications

SQUARE D
Manufacturer Part Number
QO2DTI
Type
Square D QO and QOB Miniature Circuit Breakers
Includes
(1) Steel Interlock Attachment
For Use With
Square D QO and QOB Miniature Circuit Breakers
Accessory Type
Interlock Attachment

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

Product Description

The SQUARE D Interlock Attachment (MPN QO2DTI) is a steel accessory designed for use with Square D QO and QOB miniature circuit breakers. This interlock attachment includes one steel component and is categorized as an interlock attachment for circuit breaker locking applications.

Frequently Asked Questions

What is the Square D QO2DTI interlock attachment used for?

The Square D QO2DTI interlock attachment is used to mechanically interlock two Square D QO or QOB miniature circuit breakers, preventing both from being in the ON position simultaneously. This is common in generator transfer or dual-power-source applications where only one source should feed the load at a time.

What are the specifications of the Square D QO2DTI interlock attachment?

The Square D QO2DTI is a steel interlock attachment for Square D QO and QOB miniature circuit breakers. It includes one steel component and is classified as an interlock accessory. The manufacturer part number is QO2DTI. It is designed for circuit breaker locking applications to ensure safe power-source selection.

Where to buy Square D QO2DTI interlock attachment worldwide?

3G Electric supplies the Square D QO2DTI interlock attachment 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. We source genuine Square D accessories for industrial and commercial applications.

How to install the Square D QO2DTI interlock attachment?

To install the Square D QO2DTI interlock attachment, first ensure both QO or QOB circuit breakers are in the OFF position. Mount the steel interlock bracket between the two breakers according to the manufacturer's instructions. The interlock mechanically prevents both breakers from being ON at the same time. Always follow local electrical codes and consult a qualified electrician.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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SQUARE D Products

3G Electric supplies SQUARE D square d circuit breaker locks, padlocks & interlocks. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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