Eaton 74F-20 Telecommunication Fuse - CE Marked
Part Number: 74F-20
Quick Summary
The Eaton 74F-20 telecommunication fuse provides reliable overcurrent protection for telecom power circuits up to 60 V DC. In practice, selecting a fuse that balances fast-acting protection with straightforward installation can be challenging in compact enclosures where space is tight. This specification emphasizes its cylindrical, non-indicating design and ferrule-end connections, which simplify replacement in crowded racks. It carries CE Marked certification, supporting European safety and conformity requirements, though other certifications are not listed in the data. For procurement teams, the fuse aligns with Bussmann Series practices, delivering predictable performance and easy sourcing. In telecom networks, choosing the right fuse reduces downtime and extends equipment life while meeting regulatory expectations.
Product Information
Extended Description
74F-20 Eaton: Eaton Bussmann series Type 74 telecommunication fuse, Cylindrical, 60 Vdc, 20 A, Non Indicating, Fast-acting, Ferrule end X ferrule end
Product Name
Eaton Bussmann series Type 74 telecommunication fuse
Catalog Number
74F-20
UPC
051712622349
Product Length/Depth
1.62 in
Product Height
2.4 in
Product Width
0.42 in
Product Weight
0.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
20 A
Voltage rating
60 V DC
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Cylindrical
74F-20~ATandT COLUMBUS FUSE
74F-20~ATandT COLUMBUS FUSE
Bussmann series Fuseology
Eaton Specification Sheet - 74F-20
Feature: Fast-acting design interrupts overcurrent quickly to protect delicate telecom power circuits. Business impact: minimizes arc duration, reduces thermal stress, and lowers downtime. Application: ideal for 60 V DC telecom power rails and line cards in data centers and central offices. Feature: Ferrule-end x ferrule-end connections enable quick, solder-free replacement and secure termination. Business impact: speeds maintenance cycles and minimizes training requirements for field technicians. Application: suitable for standard ferrule terminations in rack-mounted telecom gear. Feature: Cylindrical, non-indicating fuse avoids external indicators that complicate panel layout. Business impact: clean panel aesthetics and fewer misreadings during routine checks. Application: integration in arrays where status is managed by centralized monitoring. Feature: Compact footprint with dimensions of 1.62 in length, 2.4 in height, and 0.42 in width; weight around 0.5 lb. Business impact: enables efficient use of limited panel space and simplifies shipping and stocking. Application: ideal for dense telecom enclosures and modular protection schemes. Feature: CE Marked compliance supports regulatory acceptance across European deployments. Business impact: reduces compliance risk and speeds multi-region procurement. Application: suitable for international telecom projects and standardized protection architectures. Feature: Part of the Eaton Bussmann Type 74 telecommunication fuse family ensures compatibility with existing protection schemes. Business impact: streamlines sourcing, warranty coverage, and lifecycle planning. Application: works with ferrule-end terminations and Bussmann catalog practices in mature IT and telecom infrastructure.
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FAQs
Install the 74F-20 using standard ferrule end connections compatible with typical telecom rack hardware. Ensure proper spacing for heat dissipation and verify the 1.62 in length and 0.42 in width fit within the enclosure. Use a clean, lockable mounting area to prevent accidental disconnections during maintenance.
The 74F-20 is rated for 60 V DC and 20 A, with fast-acting performance suitable for protecting telecom power rails, DC distribution lines, and line cards. It is non-indicating, so rely on system-level monitoring for status indicators while leveraging its quick interruption to minimize damage during faults.
Yes, the 74F-20 is CE Marked, indicating conformity with European safety standards. The data does not specify additional certifications such as SIL or IP ratings, so confirm your regional and application requirements through your procurement team or Eaton's datasheets for any supplementary compliance needs.
Using a fast-acting, ferrule-end fuse like the 74F-20 minimizes fault duration and limits collateral damage in DC telecom rails. The field-replaceable ferrule design speeds service, reducing mean time to repair and supporting predictable maintenance windows in data centers and central offices.
The 74F-20 belongs to the Eaton Bussmann Type 74 telecommunication fuse family, ensuring consistent form factor and electrical characteristics with other Bussmann protection devices. This compatibility supports streamlined stocking, unified maintenance practices, and easier lifecycle planning across multi-vendor telecom protection stacks.