What to do if energy storage equipment uses a gateway

What to do if energy storage equipment uses a gateway

3 FAQs about [What to do if energy storage equipment uses a gateway]

Can backup Gateway 2 / Gateway 3 intercept service feeders?

It is permissible for the Backup Gateway 2 / Gateway 3 to intercept the service feeders (right figure) because the main breaker in the Backup Gateway 2 / Gateway 3 becomes the main service disconnect.

How many ka is a backup Gateway 2 rated for?

Powerwall, Backup Gateway, and Backup Switch are rated for 10 kA of fault current. If potential fault current onsite is greater than 10 kA: A J-class fuse upstream of the Backup Gateway 2 can be utilized to make the Backup Gateway 2 rated for 22 kA.

Can a backup gateway be connected to a line side?

Line Side Tap: Connecting the Backup Gateway 2 / Gateway 3 to the line side of the main panel or service disconnect by tapping existing wiring is never allowed, according to NEC 230.82.

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