We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
SQUARE D 9999D01 Auxiliary Contact, 1NC, 5 A AC - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D 9999D01 Auxiliary Contact, 1NC, 5 A AC

SQUARE D Square D Auxiliary Contacts.

SKU 3G-OTH-37984

Brand
SQUARE D
Item
9999D01 Auxiliary Contact, 1NC, 5 A AC
Part Number
9999D01
Category
Square D Auxiliary Contacts
Available to Order
Also known as:9999D01SQUARE D
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SQUARE D
Manufacturer Part Number
9999D01

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

SQUARE D Square D Auxiliary Contacts.

Frequently Asked Questions

What is the SQUARE D 9999D01 auxiliary contact used for?

The SQUARE D 9999D01 auxiliary contact is used in industrial control panels to provide status feedback from contactors and relays. It is commonly applied in motor control centers, conveyor systems, and automation equipment where a normally closed (1NC) circuit is needed for signaling or interlocking.

What are the specifications of the SQUARE D 9999D01 auxiliary contact?

The SQUARE D 9999D01 is a 1NC auxiliary contact with a maximum current rating of 5 A AC. It is manufactured by SQUARE D under part number 9999D01. This component is designed for use with compatible SQUARE D contactors and relays in industrial control applications.

Where to buy SQUARE D 9999D01 auxiliary contacts worldwide?

3G Electric supplies the SQUARE D 9999D01 auxiliary contact worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact our team to source this part for your application.

How to install the SQUARE D 9999D01 auxiliary contact?

To install the SQUARE D 9999D01 auxiliary contact, first de-energize all power. Mount the contact block onto the compatible SQUARE D contactor or relay using the provided clips or screws. Wire the normally closed (1NC) circuit per your control schematic, ensuring the 5 A AC rating is not exceeded.

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.
Not sure this is the right part? Photo-identify it→

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.

You might also need

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

More from SQUARE D

View all SQUARE D parts →

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first