Littelfuse L17T250 250A 170V DC Current-Limiting Telecom Fuse

For replacement and selection work, Littelfuse L17T250 provides 250A current-limiting protection on 170V DC systems with a 100kA interrupting rating. Its bolted construction is intended for telecommunications and DC power-distribution equipment where fast fault clearing and low let-through energy are important. Applicable references include UL 248-13 and the listed approvals. Review time-current behavior and interrupting capability with the protected equipment before release. When substituting, keep the operating speed and body style aligned with the original device.