Eaton TPS-70 Telecommunication Fuse - 100 kAIC CE
Part Number: TPS-70
Quick Summary
Eaton TPS-70 telecommunication fuse protects DC telecom rails by interrupting fault currents. When faults occur, outages and equipment damage can disrupt service and hike maintenance costs. The device is CE marked and RoHS compliant, supporting international deployments, while delivering a clear 70 A rating, 170 Vdc voltage rating, and 100 kAIC interrupt capability for robust protection. Designed for reliability in harsh telecom environments, it enables straightforward field replacement and predictable lifecycle planning. By combining high-speed protection with compatible ferrule-term connections, the TPS-70 minimizes downtime and supports scalable, compliant electrical protection across data centers and network gear.
Product Information
Extended Description
TPS-70 Eaton: Eaton Bussmann series TPS telecommunication fuse, 170 Vdc, 70 A, 100 kAIC, Non Indicating, Current-limiting, Ferrule end X ferrule end, Glass melamine tube, Silver-plated brass ferrules
Product Name
Eaton Bussmann series TPS telecommunication fuse
Catalog Number
TPS-70
UPC
051712197106
Product Length/Depth
0.56 in
Product Height
0.87 in
Product Width
0.56 in
Product Weight
0.2 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
70 A
Interrupt rating
100 kAIC
Voltage rating
170 Vdc
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - TPS-70
TPS-70~TELPOWER FUSE
TPS-70~TELPOWER FUSE
Datasheet - FNQ-30
Feature: 70 A rating with 170 Vdc and 100 kAIC interrupt capability. Benefit: Decisive fault interruption minimizes energy transfer to downstream power supplies, reducing heat and potential damage. Application: DC power rails in telecom equipment, data centers, and switching systems benefit from improved uptime and lower maintenance costs. Feature: Current-limiting action. Benefit: Dampens arcing and thermal stress during fuse operation, protecting sensitive electronics and extending component life. Application: Power distribution blocks and DC buses in dense telecom cabinets experience fewer failures under fault conditions. Feature: Glass melamine tube with silver-plated brass ferrules. Benefit: Mechanical robustness and durable connections in tight, vibration-prone environments. Application: Rack-mounted and cabinet installations where reliability and long service life matter. Feature: Ferrule end x ferrule end connections. Benefit: Fast, stable installation with standard terminal blocks, reducing field labor and wiring errors. Application: Quick swaps in service bays and in-field maintenance across telecom racks. Feature: Non-indicating fuse indicator. Benefit: Streamlined panel aesthetics and easier management in large deployments, with external monitoring recommended. Application: Large-scale data centers and telecom networks requiring compact protection modules. Feature: Compliance and packaging. Benefit: CE marked, RoHS compliant with standard packaging simplifies regulatory approval and stocking. Application: International projects with tight schedules and inventory planning, supported by compact dimensions and known weight.
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FAQs
The TPS-70 uses ferrule end x ferrule end terminals, designed for straightforward integration with standard terminal blocks found in telecom cabinets. This compatibility supports quick field replacements and minimizes wiring errors during maintenance. Its glass-melamine tube and silver-plated brass ferrules offer reliable, vibration-resistant connections suitable for dense data center racks and outdoor telecom enclosures.
TPS-70 provides 70 A amperage, 170 Vdc voltage rating, and a 100 kAIC interrupt rating. It operates as a current-limiting fuse, reducing fault energy to downstream equipment, which lowers thermal stress on power supplies and cabling. This combination is ideal for protecting DC rails in telecom and data-center power systems while enabling reliable fault clearance.
Yes. The TPS-70 is CE Marked and RoHS compliant, aligning with European regulatory requirements and global sustainability standards. This certification supports compliance during international deployments, facilitates supplier audits, and helps ensure product stewardship across multinational telecom projects.
The TPS-70 is well-suited for DC power rails in telecom switches, routers, and central office equipment, as well as data-center DC distribution blocks. Its 170 Vdc rating and 100 kAIC interrupt capability provide robust protection for critical systems, while the ferrule-ended design supports fast replacements in densely populated equipment racks.
TPS-70 reduces downtime by delivering rapid fault interruption and limiting energy transferred to protected circuits, which lowers repair costs and extend equipment life. The non-indicating option simplifies panel design, though external monitoring should be used to confirm fuse status. Overall, the unit supports predictable maintenance cycles and lowers total cost of ownership in high-availability networks.