Littelfuse L17T090 90A 170V DC Current-Limiting Telecom Fuse

For rated-current coordination, Littelfuse L17T090 provides 90A 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. Use the official data sheet to validate coordination, derating and installation details for the application. When substituting, keep the operating speed and body style aligned with the original device.