Eaton TPN-150 Telecommunication Fuse - 170 Vdc, 100 kAIC
Part Number: TPN-150
Quick Summary
TPN-150 telecommunication fuse delivers fast current protection for telecom power circuits and data infrastructure. Engineers often face outages from transient faults and require protection that minimizes downtime without adding complexity. The datasheet notes Not Applicable for Warranty and Compliances, so verify certifications like CE, SIL, and IP with Eaton for your region. This model supports a high interrupt rating of 100 kAIC at 170 Vdc and a 150 A rating, delivering robust reliability in rugged telecom environments. By choosing a Bussmann-series fuse, you gain a proven field record, ease of sourcing, and consistent performance across Eaton protection products, reducing downtime and supporting compliant, long-term operation of critical systems.
Product Information
Extended Description
TPN-150 Eaton: Eaton Bussmann series TPN telecommunication fuse, 170 Vdc, 150 A, 100 kAIC, Non Indicating, Current-limiting, Silver-plated terminal
Product Name
Eaton Bussmann series TPN telecommunication fuse
Catalog Number
TPN-150
UPC
051712196727
Product Length/Depth
1.5 in
Product Height
7 in
Product Width
1.5 in
Product Weight
0.94 lb
Warranty
Not Applicable
Compliances
Not Applicable
Amperage Rating
150 A
Interrupt rating
100 kAIC
Voltage rating
170 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
TPN-150~TELPOWER FUSE
TPN-150~TELPOWER FUSE
Bussmann series Fuseology
Eaton Specification Sheet - TPN-150
High-current protection delivers a 150 A amperage rating, 170 Vdc voltage rating, and 100 kAIC interrupt rating. This combination minimizes fault-arc energy and limits damage to downstream electronics, reducing repair time and downtime in mission-critical telecom lines. It is ideally suited for telecom power paths in data centers, central offices, and field installations where high fault currents are possible. Non-indicating, current-limiting operation reduces nuisance trips and lowers arc energy during faults, enabling simpler integration with monitoring systems and fewer unnecessary alarms. The silver-plated terminals improve contact reliability in corrosive or high-vibration environments, extending connector life and maintaining stable performance over time. The compact form factor (1.5 in depth, 1.5 in width, 7 in height) and standard packaging enable straightforward retrofits into existing protection panels without major redesigns. Finally, the Bussmann-series lineage ensures procurement consistency and compatibility with Eaton's broader protection catalog, reducing stocking complexity and enabling faster spare-part turnaround for fleets of telecom protection panels.
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FAQs
To install the TPN-150, ensure the protection panel is rated for at least 150 A and 170 Vdc, with space for a 1.5 by 7 inch device. Mount securely on the designated bus or panel slot, connect using the silver-plated terminals for optimal conductivity, and verify tight, clean connections to minimize resistance. Confirm the panel’s protection scheme aligns with the 100 kAIC interrupt rating and perform a post-install check of mechanical fit and electrical clearances.
The TPN-150 features a 150 A amperage rating, a 170 Vdc voltage rating, and a 100 kAIC interrupt rating. These ratings define its capability to safely interrupt high fault currents in telecom power paths, protecting connected equipment such as line cards, power supplies, and network gear while maintaining system uptime during fault events.
Yes, for telecom power paths within data centers, the TPN-150 offers robust protection with high interrupt capability and a compact form factor. Its 1.5 by 1.5 by 7 inch footprint facilitates retrofit in standard protection panels, and its current-limiting, non-indicating design minimizes maintenance actions and false alarms in dense cabinet environments.
The product data lists Not Applicable for Warranty and Compliances, so formal certifications are not specified here. For your region, confirm with Eaton whether CE, SIL, IP, or other certifications apply to your installation. Always validate certification scope with your procurement and compliance teams before deployment in regulated environments.
Because the TPN-150 is non-indicating, maintenance actions are primarily driven by periodic replacement schedules rather than visual fault indicators. Its current-limiting operation reduces energy dissipation during faults, potentially lowering destruction risk and repair costs. The standard packaging and Bussmann-series lineage support easy sourcing and consistent inventory management, contributing to lower total cost of ownership over the asset lifecycle.