The Bussman KTU Series are for protection of circuit breakers with lower interrupting ratings and non‑inductive loads such as lighting and heating circuits.
Eaton Bussmann series KTU fuse, Large distribution switchboards, Power panelboards, 850 A, Class L, Non-indicating, 200 kAIC at 600 Vac, Silver-plated end bells, Melamine glass tube, Bolt, Standard