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SQUARE D Auxiliary Contact, 1NO, 5 A AC, 9999D10 - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D Auxiliary Contact, 1NO, 5 A AC, 9999D10

SQUARE D Square D Auxiliary Contacts.

SKU 3G-OTH-37968

Brand
SQUARE D
Item
Auxiliary Contact, 1NO, 5 A AC, 9999D10
Part Number
9999D10
Category
Square D Auxiliary Contacts
Available to Order
Also known as:9999D10SQUARE D
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Technical Specifications

SQUARE D
Manufacturer Part Number
9999D10

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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 9999D10 auxiliary contact used for?

The SQUARE D 9999D10 auxiliary contact is used in industrial control panels to signal the status of a main switching device, such as a contactor or relay. It provides one normally open (1NO) circuit rated for up to 5 A AC, enabling remote monitoring or interlocking in automation systems.

What are the specifications of the SQUARE D 9999D10 auxiliary contact?

The SQUARE D 9999D10 auxiliary contact has one normally open (1NO) pole with a maximum continuous current of 5 A AC. It is manufactured by SQUARE D under part number 9999D10. This compact unit is designed for snap-on mounting to compatible Square D contactors and relays.

Where to buy the SQUARE D 9999D10 auxiliary contact worldwide?

You can source the SQUARE D 9999D10 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 on this Square D part.

How to install the SQUARE D 9999D10 auxiliary contact?

To install the SQUARE D 9999D10 auxiliary contact, ensure the main device is de-energized. Snap the contact onto the designated mounting slot of a compatible Square D contactor or relay until it locks. Wire the normally open terminals per your control schematic, using torque values specified by Square D.

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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