Eaton BK/SC-3 Fuse - 3 A, Current-Limiting RoHS Compliant
Part Number: BK/SC-3
Quick Summary
The Eaton BK/SC-3 fuse provides fast-acting current-limiting protection for industrial control panels. In many projects, engineers confront nuisance fuse trips or downtime caused by undersized protection and inconsistent stocking. This device leverages a 3 A rating, current-limiting performance, and a robust Class G body to deliver reliable circuit protection. RoHS compliant, it aligns with modern sustainability and regulatory requirements, while its ferrule-end termination and rejection-style design simplify installation and reduce mounting errors. Bulk-packaged for procurement efficiency, the BK/SC-3 fits compact panel spaces and supports scalable protection across multiple control circuits in automation and machine-building applications. Its footprint supports easy field replacement and lower service time.
Product Information
Extended Description
BK/SC-3 Eaton: Eaton Bussmann series SC fuse, Current-limiting fast acting fuse, Rejection style, 3 A, Class G, Non-indicating, Ferrule end x ferrule end, 10 kAIC at 170 Vdc, 100 kAIC at 600 Vac, Bulk, 600 V, 170 Vdc
Product Name
Eaton Bussmann series SC fuse
Catalog Number
BK/SC-3
UPC
051712750400
EAN
5027590408332
Product Length/Depth
0.41 in
Product Height
1.31 in
Product Width
0.41 in
Product Weight
0.1 lb
Warranty
Not Applicable
Compliances
Not Applicable RoHS Compliant
Catalog Notes
Bulk
Amperage Rating
3 A
Interrupt rating
10 kAIC at 170 Vdc 100 kAIC at 600 Vac
Voltage rating
600 Vac, 170 Vdc
Packaging type
Standard Bulk
Class
Class G
Connection
Ferrule end x ferrule end
Fuse indicator
Non-indicating
Special features
Rejection style
Bussmann series complete full line catalog no. 1007
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - BK/SC-3
Feature: The BK/SC-3 is a 3 A current-limiting, fast-acting fuse designed to protect control circuits. Business Impact: Rapid fault interruption minimizes conductor damage, arc energy, and nuisance trips, improving line reliability and reducing unplanned downtime. Application: Ideal for industrial control panels, PLC cabinets, and automation modules where tight protection is essential and DC/AC sourcing is mixed. Feature: Rejection style and ferrule-end connections ensure correct orientation and secure terminations. Business Impact: Prevents mis-insertion during maintenance and enables quick, repeatable wiring with standard lugs, shortening installation time. Application: Field and panel assembly in machine tools and process equipment. Feature: High interrupt ratings of 10 kAIC at 170 Vdc and 100 kAIC at 600 Vac provide robust protection across voltage rails. Business Impact: Higher short-circuit withstand translates to reduced fuse failure modes and better equipment protection in both DC control circuits and AC mains. Application: Servo drives, motor starters, and control feeders in automation lines. Feature: Compact footprint (0.41 in x 0.41 in x 1.31 in) and light weight (0.1 lb) with bulk packaging for procurement efficiency. Business Impact: Space-constrained panels and large-scale deployments gain easier integration and lower stocking costs. Application: Automation cabinets, packaging lines, and density-driven installations. Feature: RoHS compliant with non-indicating status and rejection-style design. Business Impact: Supports regulatory compliance and streamlined lifecycle management, while the bulk packaging reduces stocking complexity and procurement lead times.
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FAQs
BK/SC-3 uses ferrule-end terminations on both ends, designed for standard ferrule-style lugs and fuse blocks. Ensure the panel cavity can accommodate a 0.41 in square cross-section and 1.31 in length. Bulk packaging helps with stocking multiples for shared assemblies, and installation remains straightforward in typical control panels.
BK/SC-3 features a 3 A rating with current-limiting action and high short-circuit withstands: 10 kAIC at 170 Vdc and 100 kAIC at 600 Vac. It is rated for 600 Vac and 170 Vdc, making it suitable for mixed DC/AC control circuits in industrial applications.
Yes. With a 170 Vdc DC rating and 600 Vac AC rating, plus 10 kAIC and 100 kAIC interrupt ratings, the BK/SC-3 supports fast fault clearing and robust protection across both DC control feeders and AC mains found in automation equipment.
BK/SC-3 is RoHS compliant, aligning with environmental and regulatory requirements. This helps with audits and downstream recycling. The fuse also features a bulk packaging option to streamline stocking and reduce procurement cycles in high-volume manufacturing environments.
The high interrupt ratings and fast-acting protection reduce downtime caused by short circuits, while the compact form factor and bulk packaging lower stocking and installation time. Over equipment lifecycles, this translates to lower maintenance costs and improved line uptime in automation and control systems.