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SQUARE D Overload Relay Auxiliary Contact (MPN 9999SO5) - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D Overload Relay Auxiliary Contact (MPN 9999SO5)

SQUARE D Square D Auxiliary Contacts.

SKU 3G-OTH-37934

Brand
SQUARE D
Item
Overload Relay Auxiliary Contact
Category
Square D Auxiliary Contacts
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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
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 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

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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