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3G Electric
SQUARE D Auxiliary Contact, 1NO/1NC, 5 A AC - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D Auxiliary Contact, 1NO/1NC, 5 A AC

SQUARE D Square D Auxiliary Contacts.

SKU 3G-OTH-38035

Brand
SQUARE D
Item
Auxiliary Contact, 1NO/1NC, 5 A AC
Part Number
9999D11
Category
Square D Auxiliary Contacts
Available to Order
Also known as:9999D11SQUARE D
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Technical Specifications

SQUARE D
Manufacturer Part Number
9999D11

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

Product Description

SQUARE D Square D Auxiliary Contacts.

Frequently Asked Questions

What is the SQUARE D 9999D11 auxiliary contact used for?

The SQUARE D 9999D11 auxiliary contact is used in industrial control panels to provide additional switching circuits for monitoring or interlocking. It features 1 normally open and 1 normally closed contact, rated for 5 A max current (AC), and is commonly applied in motor control and automation systems.

What are the specifications of the SQUARE D 9999D11 auxiliary contact?

The SQUARE D 9999D11 auxiliary contact has a 1NO/1NC contact configuration with a maximum current rating of 5 A (AC). It is manufactured by SQUARE D under part number 9999D11. This component is designed for use with compatible Square D contactors and starters in industrial electrical systems.

Where to buy the SQUARE D 9999D11 auxiliary contact worldwide?

You can source the SQUARE D 9999D11 auxiliary contact through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Square D components for industrial applications.

How to install the SQUARE D 9999D11 auxiliary contact?

To install the SQUARE D 9999D11 auxiliary contact, first de-energize the system. Mount the contact block onto the compatible Square D contactor or starter using the provided clips or screws. Wire the 1NO and 1NC terminals according to your control circuit diagram, ensuring connections are tight and rated for 5 A AC.

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
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SQUARE D Products

3G Electric supplies SQUARE D square d auxiliary contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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