GENERAC Auxiliary Transfer Switch Contact: Mfr Part # 5621
The GENERAC Auxiliary Transfer Switch Contact Kit (Mfr Part # 5621) is a generator accessory designed for use with Prewired and NEMA 3R Rated Automatic Transfer Switches Up To 200 Amps. This kit provides auxiliary…
SKU 3G-OTH-370375
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Product Description
The GENERAC Auxiliary Transfer Switch Contact Kit (Mfr Part # 5621) is a generator accessory designed for use with Prewired and NEMA 3R Rated Automatic Transfer Switches Up To 200 Amps. This kit provides auxiliary contacts for monitoring transfer switch status.
Frequently Asked Questions
What is the GENERAC Auxiliary Transfer Switch Contact Kit used for?
The GENERAC Auxiliary Transfer Switch Contact Kit (Mfr Part # 5621) provides auxiliary contacts for monitoring the status of Prewired and NEMA 3R Rated Automatic Transfer Switches up to 200 Amps. It is used in generator systems to signal when the transfer switch has operated, enabling remote indication or control.
What are the specifications of the GENERAC 5621 auxiliary contact kit?
The GENERAC 5621 is an Auxiliary Transfer Switch Contact Kit. It is compatible with Prewired and NEMA 3R Rated Automatic Transfer Switches up to 200 Amps. The manufacturer part number is 5621, and it is a generator accessory from GENERAC.
Where to buy the GENERAC 5621 auxiliary contact kit worldwide?
You can source the GENERAC 5621 auxiliary contact kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time.
How to install the GENERAC 5621 auxiliary transfer switch contact kit?
Install the GENERAC 5621 kit by first disconnecting power to the transfer switch. Mount the auxiliary contacts per the GENERAC manual, then wire them to your monitoring system. Always follow local electrical codes and use a qualified electrician for installation.
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3G Electric supplies GENERAC generator accessories. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















