Eaton 70A-1-1/3A Telecommunication Fuse - 1 kAIC at 300 Vdc
Part Number: 70A-1-1/3A
Quick Summary
Eaton 70A-1-1/3A Telecommunication fuse provides precise overcurrent protection for telecom equipment in compact form. Engineers often struggle to fit protective devices into densely packed racks without sacrificing interrupt performance or reliability. This part is CE marked and rated for 125 Vac / 300 Vdc with a 1 kAIC interrupt rating, aligning with common industry standards. The ferrule-end design and white color code simplify wiring and field installation, while accessible documentation supports fast design-in and compliance checks. With a standard Bussmann 70 series, you gain predictable performance, easy replacement, and reduced maintenance in data centers, telco cabinets, and industrial networks. Designed for telecom networks and small-form-factor equipment, it helps meet service windows and uptime targets.
Product Information
Extended Description
70A-1-1/3A Eaton: Eaton Bussmann 70 Series telecommunication fuse, Color code white, 125 Vac, 300 Vdc, 1.33 A, 1 kAIC at 300 Vdc, Non Indicating, Ferrule end X ferrule end
Product Name
Eaton Bussmann series 70 Series telecommunication fuse
Catalog Number
70A-1-1/3A
UPC
051712736077
Product Length/Depth
1.63 in
Product Height
2.5 in
Product Width
0.42 in
Product Weight
0.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
1.33A
Interrupt rating
1 kAIC at 300 Vdc
Voltage rating
125 Vac, 300 Vdc
Packaging type
Standard
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Color code white
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - 70A-1-1/3A
Bussmann series Telpower indicating fuse and holder 70 series data sheet no. 5007
Feature: Amperage rating of 1.33 A provides precise protection for delicate telecom circuits. Business Impact: Reduces nuisance trips and extends component life, lowering maintenance costs. Application: ideal for telecom data paths, network interface cards, and small power rails. Feature: Interrupt rating of 1 kAIC at 300 Vdc enhances fault tolerance in modern telecom power systems. Business Impact: Improves safety margins and equipment resilience during surge events, supporting uptime in data centers and network closets. Application: critical telecom power rails, embedded power modules, and line drivers. Feature: Voltage rating of 125 Vac / 300 Vdc ensures compatibility with mixed AC/DC telecom rails. Business Impact: Enables flexible deployment across mixed infrastructures without specialty parts. Application: rack-mounted telecommunication gear and control panels. Feature: Ferrule end x ferrule end connections simplify field wiring and harness integration. Business Impact: Speeds installation, reduces termination errors, and supports automated wiring practices. Application: panel boards, backplanes, and compact enclosures. Feature: Color code white and non-indicating status streamline panel identification while avoiding false indicators. Business Impact: Improves fault location during maintenance and reduces miswiring risk. Application: standardized telecom enclosures and service cabinets. Feature: CE Marked compliance and standard packaging align with procurement processes and regulatory requirements. Business Impact: Accelerates approvals, eases sourcing, and supports recurring orders. Application: global telecom deployments and certified component inventories.
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FAQs
The fuse is rated at 1.33 A with a voltage rating of 125 Vac / 300 Vdc and an interrupt rating of 1 kAIC at 300 Vdc, suitable for protecting telecom circuits.
Yes, the 70A-1-1/3A is CE marked, aligning with EU compliance requirements and standard electrical protection practices for telecom equipment.
This fuse uses ferrule end x ferrule end terminations, which simplifies crimped wiring and provides reliable, quick connections in panel and rack assemblies.
It is well suited for telecom racks, data centers, and network cabinets where space is limited and precise protection is needed for 1.33 A circuits with dual AC/DC rails.
Documentation is available from Eaton, including the Bussmann 70 Series data sheets and the complete full-line catalogs, as well as the 70A-1-1/3A specification sheet and 5007 data sheet.