Littelfuse L17T125 125A 170V DC Current-Limiting Telecom Fuse
● Contact for AvailabilitySelected for DC telecom protection, Littelfuse L17T125 is a 125A, 170V DC current-limiting fuse with 100kA interrupting capability and bolted terminals.

Selected for DC telecom protection, Littelfuse L17T125 is a 125A, 170V DC current-limiting fuse with 100kA interrupting capability and bolted terminals.
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As a cataloged protection device, Littelfuse L17T125 provides 125A 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. Confirm the exact package suffix and electrical ratings when replacing an existing fuse. When substituting, keep the operating speed and body style aligned with the original device.