Eaton CLS 5ACLS-4R is a high-voltage electrical fuse from the Cutler Hammer CLS family. It carries a 130 A (4R) current rating and a 5.08 kV voltage rating, with the model designation 5ACLS-4R. This device is used to protect high‑voltage circuits and switchgear by interrupting fault currents to help prevent equipment damage and system outages.
