UL 508A Frequently Asked Questions

Q. Explain how to protect a 200a panel with a 5k rating? What do you use for the feeder protection that will go down to 5k

A. There is no current limiting feeder overcurrent protective device available rated at least 200 A with a let-through current of 5kA.

Category: Application

Keywords: feeder protection, current limiting, overcurrent, let-through