Eaton TPN-80 Telecommunication Fuse - 100 kAIC Rated
Part Number: TPN-80
Quick Summary
Eaton TPN-80 telecommunication fuse protects telecom circuits by interrupting fault currents. In tight rack and outdoor enclosures, outages from nuisance trips and arcing can cripple critical services. This current-limiting fuse offers 80 A, a 170 Vdc rating, and a 100 kAIC interrupt rating, with non-indicating operation for straightforward panel integration. While the datasheet shows Not Applicable for warranties and compliances, verify specific certifications with Eaton for your project requirements. By aligning with standard Bussmann series holders and a compact form factor, this device reduces downtime, improves reliability, and lowers total cost of ownership for telecom power protection applications.
Product Information
Extended Description
TPN-80 Eaton: Eaton Bussmann series TPN telecommunication fuse, 170 Vdc, 80 A, 100 kAIC, Non Indicating, Current-limiting, Silver-plated terminal
Product Name
Eaton Bussmann series TPN telecommunication fuse
Catalog Number
TPN-80
UPC
051712196956
Product Length/Depth
1.2 in
Product Height
5.75 in
Product Width
1.2 in
Product Weight
0.32 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
80 A
Interrupt rating
100 kAIC
Voltage rating
170 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
TPN-80~TELPOWER FUSE
TPN-80~TELPOWER FUSE
Bussmann series Fuseology
Eaton Specification Sheet - TPN-80
Feature: 80 A current rating with 170 Vdc and 100 kAIC interrupt rating → Business Impact: Strong protection against high-energy faults minimizes downstream damage and unplanned outages → Application: Telecom power distribution, DC feeds in switching gear, data-center telecom racks. Feature: Current-limiting design → Business Impact: Limits fault energy to protect sensitive electronics and power supplies, reducing arc damage and service interruptions → Application: DC telecom circuits, fiber node cabinets, remote radios. Feature: Non-indicating construction → Business Impact: Simplifies panel design and reduces component count, cutting upfront cost; external fault indicators can be added if required → Application: Enclosures with centralized monitoring. Feature: Silver-plated terminals → Business Impact: Improves contact reliability in vibration-prone telecom cabinets, enhancing longevity and reducing maintenance → Application: Outdoor and indoor telecom enclosures with high vibration. Feature: Compact dimensions (1.2 in W x 1.2 in D x 5.75 in H) with Standard packaging → Business Impact: Easy replacement in existing Bussmann series holders, faster service and lower retrofit risk → Application: Replacement fuse in standard telecom protection blocks. Feature: 80 A / 170 Vdc rating for DC protection → Business Impact: Enables dependable protection for DC power feeds in telecom infrastructure, improving uptime and compliance → Application: DC distribution panels, line protection in telecom racks.
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FAQs
TPN-80 uses standard Bussmann series packaging and a standard form factor, enabling straightforward replacement in common telecom protection blocks. With a width of 1.2 in, height of 5.75 in, and a depth of 1.2 in, it fits typical fuse holders. Its silver-plated terminals improve contact reliability in telecom enclosures, reducing maintenance time.
The TPN-80 is rated for 80 A continuous operation, 170 Vdc voltage, and an interrupt rating of 100 kAIC. It is a current-limiting, non-indicating fuse designed to protect DC telecom power circuits while minimizing fault energy and downstream damage.
Yes. It is specified for 170 Vdc and provides a 100 kAIC interrupt rating with current-limiting behavior, making it well-suited for protecting DC feeds in telecom infrastructure and preventing damaging fault currents from propagating.
Non-indicating fuses require external fault indicators or system-level monitoring to detect blow events. This can reduce upfront panel complexity and cost, but you should plan for external status indication in your protection scheme to ensure rapid fault pinpointing during maintenance.
Eaton provides catalogs and specification sheets for the TPN-80, including full datasheet PDFs and product listings. Access the Bussmann series catalog and Eaton specification sheet to review electrical ratings, packaging, and installation guidance for project qualification and compliance needs.