JCY-10E is an Eaton Bussmann medium‑voltage fuse link rated at 5.5 kV and 10 A, designed for transformer protection in MV distribution equipment. This cartridge‑style fuse, part of the JCY family, carries an E‑rated designation intended for transformer protection in accordance with industry standards. Typical applications include protection of transformers and related MV apparatus such as switchgear and feeders where reliable fault interruption at medium voltage is required. Verified specifications include a 5.5 kV AC voltage rating and 10 A current rating; installation is compatible with Bussmann JCY fuse holders and assemblies designed for E‑rated, transformer‑protection links.
