Eaton TPN-250 Telecommunication fuse - 100 kAIC
Part Number: TPN-250
Quick Summary
The TPN-250 telecommunication fuse from Eaton protects telecom circuits by current-limiting faults in DC power and data paths. This helps engineers avoid nuisance outages when surges or faults occur in compact equipment racks. Note the model carries high interrupt capability up to 100 kAIC and a 170 Vdc rating, while the non-indicating design simplifies installations. For procurement and maintenance teams, predictable sizing and Bussmann-series compatibility translate to lower total cost of ownership. With standard packaging and a compact 2-in length, it fits tight telecom enclosures and engineering-approved layouts. This page also links to Eaton data sheets and videos to accelerate accurate specification and installation.
Product Information
Extended Description
TPN-250 Eaton: Eaton Bussmann series TPN telecommunication fuse, 170 Vdc, 250 A, 100 kAIC, Non Indicating, Current-limiting, Silver-plated terminal
Product Name
Eaton Bussmann series TPN telecommunication fuse
Catalog Number
TPN-250
UPC
051712196789
Product Length/Depth
2 in
Product Height
8.6 in
Product Width
2 in
Product Weight
1.93 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
250 A
Interrupt rating
100 kAIC
Voltage rating
170 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - TPN-250
Feature: High amperage and interrupt rating provides robust fault clearance. Business impact: With a 250 A rating and 100 kAIC interrupt capability, fault energy is rapidly limited, reducing arc damage to feeders and downstream equipment. Application: Ideal for DC power rails in telecom racks and data-center distribution where uptime is critical. Feature: 170 Vdc voltage rating supports safe operation in telecom and data-network DC distribution, helping prevent insulation stress during faults. Business impact: Improves system reliability and protects sensitive electronics. Application: Suitable for centralized telecom power systems and remote network equipment. Feature: Non-indicating design simplifies front-panel visibility in dense installations. Business impact: Eases installation and reduces panel clutter, speeding commissioning. Application: Fits compact enclosures and tight 19-inch rack layouts. Feature: Silver-plated terminals enhance contact reliability and corrosion resistance. Business impact: Lower resistance and longer life in harsh environments translate to fewer maintenance interventions. Application: Beneficial in outdoor cabinets and high-humidity facilities. Feature: Compact 2 in length and standard packaging enable straightforward retrofits and replacement. Business impact: reduces field labor and accelerates spares planning. Application: Easy integration into existing Bussmann-series inventories. Feature: Compatibility with Bussmann-series catalogs and Eaton datasheets streamlines procurement and testing. Business impact: lowers total cost of ownership through predictable lead times and consistent spare parts. Application: Supports standard BOMs and audit-ready documentation. Feature: Clear installation and maintenance pathways improve reliability outcomes. Business impact: Shorter downtime during fuse replacements and predictable performance over the service life. Application: Widely applicable to telecom corridors, data centers, and industrial DC networks.
Get a Quick Quote for a Eaton TPN-250
Chat with us on WhatsApp - fast responses guaranteed
Need to speak with someone? We'll call you back within 2 hours during business hours
Interested in Eaton TPN-250?
Enquire Now
FAQs
Yes. The TPN-250 is designed for use in standard Bussmann-series enclosures and telecom rack installations. It comes in a standard packaging type and has a compact footprint (2 in x 2 in) that facilitates straightforward 19-inch rack mounting. For new builds, verify enclosure clearance and ensure support hardware is compatible with Bussmann-series accessories to simplify installation and spare parts planning.
Key ratings include a 250 A current rating and a 100 kAIC interrupt rating with a 170 Vdc voltage rating. These specifications enable rapid fault clearing and robust protection for DC power rails in telecom and data-center networks. The current-limiting design minimizes fault energy, reducing collateral damage and enabling safer maintenance within dense equipment environments.
TPN-250 is well-suited for DC distribution in telecom racks, central offices, and data-center environments where space is at a premium and reliable fault protection is required. It supports tight installations, helps reduce downtime during faults, and aligns with Bussmann-series part compatibility, making it a practical choice for both new deployments and retrofit projects.
The provided data does not list SIL, CE, or IP certifications for the TPN-250. Customers should consult Eaton’s official datasheet and certification documents to verify current regulatory approvals and to confirm applicability to their regional compliance requirements before procurement or integration.
By delivering high interrupt capability and current-limiting protection, the TPN-250 reduces fault propagation and downtime, lowering service interruptions in DC networks. Its compatibility with standard Bussmann-series inventories simplifies spares management, while the non-indicating design minimizes front-panel complexity during maintenance. Overall, this can shorten MTTR and stabilize TCO for telecom and data-center power systems.