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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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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

SQUARE D
Manufacturer Part Number
9999D11

Technical Documents

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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 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 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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