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SQUARE D Auxiliary Contact: 1NO/2NC (MPN 9999AC04) - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D Auxiliary Contact: 1NO/2NC (MPN 9999AC04)

The SQUARE D Auxiliary Contact (MPN 9999AC04) is a 1NO/2NC contact block designed for use with Motor Logic™ Overload Relays. This auxiliary contact provides additional switching capacity for monitoring and control…

SKU 3G-OTH-37890

Brand
SQUARE D
Item
Auxiliary Contact: 1NO/2NC
Category
Square D Auxiliary Contacts
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Technical Specifications

SQUARE D
Manufacturer Part Number
9999AC04
Compatible with Series
Motor Logic™ Overload Relays
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Auxiliary Contact (MPN 9999AC04) is a 1NO/2NC contact block designed for use with Motor Logic™ Overload Relays. This auxiliary contact provides additional switching capacity for monitoring and control applications within industrial equipment.

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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