EATON Auxiliary Contact (MPN C320KGS21). Key specifications — Brand: EATON.
SKU 3G-OTH-39918
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Frequently Asked Questions
What is the Eaton C320KGS21 auxiliary contact used for?
The Eaton C320KGS21 auxiliary contact is used in industrial motor control and automation systems to signal the position of a contactor or relay. It provides additional switching capacity for control circuits, enabling remote monitoring and interlocking in machinery across manufacturing, HVAC, and material handling applications.
What are the specifications of the Eaton C320KGS21 auxiliary contact?
The Eaton C320KGS21 is an auxiliary contact block with manufacturer part number C320KGS21. It is designed for use with Eaton contactors and relays in industrial control panels. For detailed electrical ratings and mounting dimensions, consult the Eaton technical datasheet or contact 3G Electric for application support.
Where to buy the Eaton C320KGS21 auxiliary contact worldwide?
3G Electric supplies the Eaton C320KGS21 auxiliary contact to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this Eaton auxiliary contact for your control system.
How to install the Eaton C320KGS21 auxiliary contact?
To install the Eaton C320KGS21 auxiliary contact, first de-energize the contactor or relay. Snap the auxiliary contact block onto the side or front of the Eaton device per the manufacturer's instructions. Wire the normally open or normally closed terminals to your control circuit, then test operation before restoring power.
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3G Electric supplies EATON eaton auxiliary contacts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.





