Eaton BK/70D-5A Telecommunication Fuse 1 kAIC CE Marked
Part Number: BK/70D-5A
Quick Summary
The Eaton BK/70D-5A Telecommunication fuse provides reliable overcurrent protection for telecom circuits in industrial environments. Engineers often battle nuisance trips and mis-sizing that disrupt deployment and drive maintenance costs. This model is CE Marked for European compliance, offers a 1 kAIC interrupt rating at 300 Vdc, and ships in a compact, non-indicating package suitable for tight panel spaces. With 125 Vac and 300 Vdc ratings and a 5 A amperage rating, it delivers fast, predictable protection without unnecessary outages. Its standard packaging and straightforward installation reduce stocking complexity and simplify retrofits, helping you minimize downtime and extend equipment life across telecom infrastructures.
Product Information
Extended Description
BK/70D-5A Eaton: Eaton Bussmann series 70 Series telecommunication fuse, 125 Vac, 300 Vdc, 5 A, 1 kAIC at 300 Vdc, Non Indicating
Product Name
Eaton Bussmann series 70 Series telecommunication fuse
Catalog Number
BK/70D-5A
UPC
051712735957
EAN
5027590097352
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
5 A
Interrupt rating
1 kAIC at 300 Vdc
Response time
0 to 90 sec at 150%
Voltage rating
125 Vac, 300 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
BK/70D-5A~BK-70D-5A~ATandT COLUMBUS
BK/70D-5A~BK-70D-5A~ATandT COLUMBUS
Bussmann series Fuseology
Eaton Specification Sheet - BK/70D-5A
Feature → Business Impact → Application: Electrical rating and interrupt capability of 5 A with 1 kAIC at 300 Vdc provides robust protection for telecom power rails, reducing the risk of equipment damage and unscheduled outages. This supports dependable operation in data centers, switchgear rooms, and telecommunications cabinets where uptime is critical. Feature → Application: Voltage ratings of 125 Vac and 300 Vdc ensure compatibility with common telecom equipment operating ranges, enabling straightforward upgrades or retrofits without re-wiring. Feature → Business Impact → Application: 0 to 90 seconds response time at 150% overcurrent translates to fast fault clearance, minimizing arc energy and component stress in rack-mounted gear and telecom enclosures. Feature → Compatibility: Non-indicating fuse design lowers maintenance footprint and failure points, simplifying replacement during routine service or emergency swaps in crowded installations. Feature → Compliance: CE Marked certification signals readiness for European deployments, aligning with regional regulatory expectations and procurement standards for network equipment. Feature → Installation Advantage: Standard packaging and Bussmann 70 Series lineage ensure easy stock management and seamless cross-compatibility with legacy and new protective devices in telecom networks.
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FAQs
BK/70D-5A is designed for telecom circuits with ratings of 125 Vac and 300 Vdc and a 5 A operating current, offering a 1 kAIC interrupt level. It fits standard Bussmann 70 Series telecom protection applications in network cabinets, data centers, and telecom racks where compact form factor and reliable clearing are required.
The unit delivers a response time of 0 to 90 seconds at 150% overcurrent, enabling fast fault clearance while minimizing arc energy and damage to sensitive telecom gear. This performance is well-suited for mission-critical networks where uptime and predictable protection are essential.
Yes, BK/70D-5A is CE Marked, aligning with European safety and performance requirements. Its non-indicating design and standard packaging facilitate easy integration into European telecom cabinets and compliance-driven procurement processes.
BK/70D-5A combines a 5 A rating with a 1 kAIC interrupt level in a compact, non-indicating package. The 125 Vac/300 Vdc dual voltage capability and CE Marking provide a balanced solution for telecom protection while simplifying maintenance and replacement in dense equipment installations.
By reducing nuisance trips with reliable overcurrent protection and offering straightforward replacement due to its non-indicating design, BK/70D-5A lowers maintenance labor and downtime. Its CE compliance and standard packaging further streamline procurement, stocking, and retrofits across regional telecom networks.