J Type Fuse Board

Class j fuses littelfuse offers the jtd series jtd id series and the jls series.

J type fuse board.

Browse our class j fuses below. Ampere ratings for the j type fuses range from 1 to 600 amps. These fuses are current limiting. These are dimensionally the same as class h fuses.

Mild steel wall mounting distribution boards for 3 phase systems configurable with either a single incoming bank of triple pole j type slotted tag fuses or with an additional outgoing bank of triple pole j type fuses for mixed developments requiring a split supply greater than 100a. Class j fuses are offered in fast acting or time delay versions. Bussmann and littelfuse self certify their class j fuses to a 300 000 interrupting rating. A branch circuit fuse having either 250v or 600v and a 50ka interrupting rating.

They are labeled as current limiting and are not interchangeable with other classes. Type j fuses are installed in low voltage distribution boards feeder pillars link boxes pole mounted cut outs and heavy duty service boards with a rated voltage of 415v a c. A class j fuse is a 600 volt ac current limiting fuse that is rated to interrupt a minimum of 200 000 amps.