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3G Electric
SQUARE D 9999SO5 Overload Relay Auxiliary Contact - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D 9999SO5 Overload Relay Auxiliary Contact

SQUARE D Square D Auxiliary Contacts.

SKU 3G-OTH-37934

Brand
SQUARE D
Item
9999SO5 Overload Relay Auxiliary Contact
Part Number
9999SO5
Category
Square D Auxiliary Contacts
Available to Order
Also known as:9999SO5SQUARE D
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SQUARE D
Manufacturer Part Number
9999SO5

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 9999SO5 overload relay auxiliary contact used for?

The SQUARE D 9999SO5 auxiliary contact is used with overload relays to provide additional signal or control circuits. It is commonly applied in motor control centers and industrial automation systems to monitor relay status or interlock with other devices.

What are the specifications of the SQUARE D 9999SO5 auxiliary contact?

The SQUARE D 9999SO5 is an auxiliary contact module for overload relays. It is manufactured by SQUARE D under part number 9999SO5. For detailed electrical ratings and compatibility, refer to the manufacturer's datasheet or contact 3G Electric for technical support.

Where to buy the SQUARE D 9999SO5 auxiliary contact worldwide?

3G Electric supplies the SQUARE D 9999SO5 auxiliary contact to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team to place an order or request a quote for your region.

How to install the SQUARE D 9999SO5 auxiliary contact on an overload relay?

To install the SQUARE D 9999SO5, first de-energize the system. Snap the auxiliary contact onto the side or front of the compatible SQUARE D overload relay as per the manufacturer's instructions. Ensure secure mounting and verify wiring connections before restoring power.

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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