Eaton BK/GMT-3-1/2A Telecommunication Fuse - CE RoHS
Part Number: BK/GMT-3-1/2A
Quick Summary
BK/GMT-3-1/2A telecommunication fuse provides fast overcurrent protection for telecom equipment. Many systems suffer outages due to nuisance currents or slow protection response, increasing downtime and costs. It is CE marked and RoHS compliant, supporting global deployments in data centers, field cabinets, and outdoor telecom enclosures. By aligning with Eaton's GMT family, engineers gain predictable protection, simplified sourcing, and a compact form factor that fits crowded backplanes while meeting industry standards. For projects aiming to minimize maintenance, this fuse’s non-indicating design reduces on-site checks and simplifies diagnostics. Its compact 0.78 inch length and rugged terminals support reliable operation in tight panels and harsh environments.
Product Information
Extended Description
BK/GMT-3-1/2A Eaton: Eaton Bussmann series GMT telecommunication fuse, 125 Vac, 60 Vdc, 3-1/2 A, 300 AIC at 125 Vac, 450 AIC at 60 Vdc, Non Indicating, Fast-acting, Thermoplastic, Tin-plated beryllium copper terminal
Product Name
Eaton Bussmann series GMT telecommunication fuse
Catalog Number
BK/GMT-3-1/2A
UPC
051712576956
EAN
5027590251990
Product Length/Depth
0.78 in
Product Height
0.62 in
Product Width
0.11 in
Product Weight
0.1 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Amperage Rating
3-1/2A
Interrupt rating
450 AIC at 60 Vdc 300 AIC at 125 Vac
Voltage rating
125 Vac, 60 Vdc
Packaging type
Standard
Fuse indicator
Non-indicating
BK/GMT-3-1/2A~BK-GMT-3-1-2A~BUSS INDICATING FUSE
BK/GMT-3-1/2A~BK-GMT-3-1-2A~BUSS INDICATING FUSE
Bussmann series Fuseology
Eaton Specification Sheet - BK/GMT-3-1/2A
Feature: 3-1/2 A rating with 125 Vac and 60 Vdc voltage ratings. Business Impact: Enables precise protection for telecom power paths while allowing normal operation; Application: Data centers, telecom racks, and outdoor enclosures. Feature: 300 AIC at 125 Vac and 450 AIC at 60 Vdc interruption ratings. Business Impact: Fast fault interruption reduces burn hazards and equipment damage, improving uptime; Application: Fault-prone backplanes and switchgear. Feature: Non-indicating design with thermoplastic body and tin-plated beryllium copper terminals. Business Impact: Simplifies visual status checks, ensures durable terminations, and resists corrosion in harsh environments; Application: Field installs and dense cabinet layouts. Feature: CE marking and RoHS compliance. Business Impact: Facilitates global deployment and regulatory audits, reducing compliance risk; Application: multinational telecom deployments. Feature: Standard packaging and compatibility with GMT series. Business Impact: Streamlines procurement, substitutes legacy fuses easily, and lowers total cost of ownership; Application: Stock management for service fleets and OEM projects. Feature: Compact dimensions (0.78 in length, 0.62 in height, 0.11 in width). Business Impact: Maximizes panel space, enabling higher density in telecom enclosures; Application: Tight-spaced backplanes and modular racks.
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FAQs
The BK/GMT-3-1/2A is designed to protect telecom and data equipment, including network racks, field cabinets, and telecom enclosures. With a 3-1/2 A rating and voltage ratings of 125 Vac / 60 Vdc, it interrupts faults quickly without impeding normal inrush. It’s a drop-in substitute for GMT series fuses in standard applications.
Amperage rating is 3-1/2 A, voltage ratings are 125 Vac and 60 Vdc, and interruption ratings are 300 AIC at 125 Vac and 450 AIC at 60 Vdc. This combination supports telecom power paths while preserving circuit integrity during fault conditions and tolerating typical inrush in equipment.
Yes. The BK/GMT-3-1/2A is CE marked and RoHS compliant, satisfying European and global regulatory requirements. This support simplifies deployment in data centers, field equipment, and outdoor installations without additional conformity testing.
Product Length/Depth is 0.78 in, Height is 0.62 in, Width is 0.11 in, and Weight is 0.1 lb. Packaging type is Standard. These compact dimensions help maximize cabinet density while maintaining reliable terminations in dense telecom enclosures.
Its non-indicating design reduces on-site checks, while standard packaging and a common catalog number streamline stocking and replacements. The known fault current ratings and durable construction help minimize downtime, protect critical assets, and lower total cost of ownership across multi-site deployments.