Eaton BK/70B-2A Telecommunication Fuse - 1 kAIC
Part Number: BK/70B-2A
Quick Summary
BK/70B-2A telecommunication fuse from Eaton Bussmann protects telecom equipment with fast interrupting protection in rugged network environments. When protection schemes trip too slowly or unnecessarily, downtime and equipment damage follow; this fuse reduces nuisance trips while maintaining reliability. It is CE marked for European compliance and supports 125 Vac and 300 Vdc operation with a 1 kAIC interrupt rating, plus a 2 A amperage rating for telecom supply rails. The non-indicating body simplifies panel design, while standard packaging and compact dimensions enable easy replacement in crowded racks. Compatible with standard fuse holders, it integrates with Bussmann 70 Series components to simplify sourcing and maintenance, delivering measurable uptime improvements and lower lifecycle costs for network operators.
Product Information
Extended Description
BK/70B-2A Eaton: Eaton Bussmann series 70 Series telecommunication fuse, 125 Vac, 300 Vdc, 2 A, 1 kAIC at 300 Vdc, Non Indicating
Product Name
Eaton Bussmann series 70 Series telecommunication fuse
Catalog Number
BK/70B-2A
UPC
051712735933
EAN
5027590097321
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
2 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
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - BK/70B-2A
Feature: 2 A amperage rating with a 125 Vac and 300 Vdc voltage rating enables precise protection for telecom rails while staying compatible with standard power supplies. This alignment reduces nuisance trips and protects critical equipment from overcurrent damage, translating to fewer unplanned outages. Application: ideal for protecting rack-mounted telecom power distribution units, switchgear, and line cards in data centers and field networks. Feature: 1 kAIC interrupt rating at 300 Vdc provides robust fault clearing for high-energy telecom circuits. Business impact: accelerates fault isolation and minimizes arc energy, contributing to longer component life and safer maintenance. Application: appropriate for telecom backplanes, network processors, and rugged outdoor installations where reliability is essential. Feature: Non-indicating construction simplifies panel design and reduces maintenance overhead by eliminating indicator LEDs. Business impact: streamlines visual inspection, lowers wiring complexity, and speeds field replacement. Application: integrates with standard fuse holders and Bussmann 70 Series assemblies, enabling plug-and-play replacement in tight enclosures. Feature: CE Marked compliance ensures European safety and EMC expectations are met, while standard packaging supports consistent inventory. Business impact: simplifies cross-border deployments and procurement, reducing lead times and compliance risk. Application: suitable for European telecom installations, data centers, and service providers that require certified protection components. Feature: compact size (1.63 in L Ă— 0.42 in W Ă— 2.5 in H) and 0.5 lb weight, with standard packaging, enables efficient use of crowded enclosures. Business impact: saves rack space, lowers shipping costs, and facilitates easy stocking for maintenance teams. Application: ideal for retrofit projects and ongoing infrastructure upgrades in telecom cabinets.
Get a Quick Quote for a Eaton BK/70B-2A
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 BK/70B-2A?
Enquire Now
FAQs
BK/70B-2A is designed for standard fuse holders and fits Bussmann 70 Series assemblies, enabling plug-and-play replacement in common telecom enclosures.
It provides a 2 A rating, operates at 125 Vac and 300 Vdc, and carries a 1 kAIC interrupt rating at 300 Vdc. Its response time is 0 to 90 seconds at 150% overload, ensuring timely fault clearance.
Yes, the device is CE marked, indicating compliance with European safety standards and facilitating cross-border installations in telecom networks.
The fuse minimizes unplanned downtime by precise fault clearing, reduces arc energy, and simplifies procurement with standard packaging and documentation, contributing to improved uptime and lower total cost of ownership.
Support materials include Eaton specification sheets, the Bussmann series catalog, and the Fuseology multimedia video, all accessible via the product downloads page.