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SQUARE D 9999SX12 Auxiliary Contact, 1NC, 5 A AC, for Type T Starters - Square D Auxiliary Contacts
SQUARE DSquare D Auxiliary Contacts

SQUARE D 9999SX12 Auxiliary Contact, 1NC, 5 A AC, for Type T Starters

The SQUARE D Auxiliary Contact, model 9999SX12, is a 1NC (normally closed) auxiliary contact rated for 5 A max current (AC). It is compatible with Type T Integral Horsepower Starters from SQUARE D. This component…

SKU 3G-OTH-38023

Brand
SQUARE D
Item
9999SX12 Auxiliary Contact, 1NC, 5 A AC, for Type T Starters
Part Number
9999SX12
Category
Square D Auxiliary Contacts
Available to Order
Also known as:9999SX12SQUARE D
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Technical Specifications

SQUARE D
Manufacturer Part Number
9999SX12
Compatible with Series
Type T Integral Horsepower Starters

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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SQUARE D Auxiliary Contact, model 9999SX12, is a 1NC (normally closed) auxiliary contact rated for 5 A max current (AC). It is compatible with Type T Integral Horsepower Starters from SQUARE D. This component provides a normally closed switching function for use within compatible starter assemblies.

Frequently Asked Questions

What is the SQUARE D 9999SX12 auxiliary contact used for?

The SQUARE D 9999SX12 auxiliary contact provides a normally closed (1NC) switching function within Type T Integral Horsepower Starters. It is used in industrial motor control applications to signal status or interlock circuits, supporting reliable automation and safety in manufacturing and process environments.

What are the specifications of the SQUARE D 9999SX12?

The SQUARE D 9999SX12 is a 1NC auxiliary contact rated for 5 A max current (AC). It is compatible with SQUARE D Type T Integral Horsepower Starters. The manufacturer part number is 9999SX12. This component is designed for integration into compatible starter assemblies for motor control.

Where to buy SQUARE D 9999SX12 worldwide?

3G Electric supplies the SQUARE D 9999SX12 auxiliary contact to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this component for your motor control needs.

How to install the SQUARE D 9999SX12 auxiliary contact?

Install the SQUARE D 9999SX12 auxiliary contact into a compatible Type T Integral Horsepower Starter following the manufacturer's wiring diagram. Ensure power is off, mount the contact securely, and connect the normally closed circuit per your control scheme. Always verify ratings and follow local electrical codes.

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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