Eaton BK/JJS-175 Fuse - Class T, 200 kAIC, 600V
Part Number: BK/JJS-175
Quick Summary
The Eaton BK/JJS-175 fuse provides fast-acting overcurrent protection for 600 V power distribution in multi-family and commercial buildings. Engineers often struggle with bulky protection devices and nuisance trips in space-constrained panels. CE marked and RoHS compliant, it uses Class T construction with a 200 kAIC interrupt rating for reliable protection. Its compact 3.25 in length with a small footprint supports meter stacks, VFD line protection, and bulk procurement. This combination of performance and practicality helps simplify installation, improve panel density, and reduce long-term maintenance costs across large projects, making it a dependable choice for modern electrical rooms.
Product Information
Extended Description
BK/JJS-175 Eaton: Eaton Bussmann series JJS fuse, Current-limiting, Small footprint, Large apartment complexes, Multi-family meter stacks, VFD line protection, 175 A, Class T, Non-indicating, 200 kAIC at 600 Vac, Bulk, 600 V
Product Name
Eaton Bussmann series JJS fuse
Catalog Number
BK/JJS-175
UPC
051712268011
Product Length/Depth
3.25 in
Product Height
0.88 in
Product Width
3.25 in
Product Weight
0.2 lb
Warranty
Not Applicable
Compliances
CE Marked RoHS Compliant
Catalog Notes
Bulk
Amperage Rating
175 A
Interrupt rating
200 kAIC at 600 Vac
Voltage rating
600 V
Packaging type
Standard Bulk
Class
Class T
Fuse indicator
Non-indicating
Special features
Rejection style
BK/JJS-175~BK-JJS-175~TRON FAST ACTING FUSE CLASS T (BULK)
BK/JJS-175~BK-JJS-175~TRON FAST ACTING FUSE CLASS T (BULK)
Bussmann series Fuseology
Eaton Specification Sheet - BK/JJS-175
Feature: Current-limiting, fast-acting Class T fuse with 175 A rating and 200 kAIC interrupt capability at 600 Vac. Business Impact: Enables rapid fault clearance while maintaining selective coordination with upstream devices, reducing arc energy and minimizing downtime during faults. Application: Ideal for large apartment complexes, multi-family meter stacks, and motor-driven loads such as VFD lines in building automation. Feature: Small footprint and light weight (3.25 in length/width, 0.88 in height, 0.2 lb). Business Impact: Enables denser panel layouts and easier field handling in crowded electrical rooms, cutting installation time. Application: Space-constrained commercial feeders, compact control cabinets, and bulk inventory programs where size and weight matter. Feature: Non-indicating fuse with rejection-style design. Business Impact: Minimizes installation errors by preventing mis-seating and incorrect replacements, reducing field service calls. Application: Industrial control panels and distribution boards with multiple fuse types. Feature: CE Marked and RoHS compliant; 600 V rating. Business Impact: Ensures regulatory compliance for global projects and simplified procurement across international sites. Application: International buildings, data centers, and multi-region electrical installations that demand compliant protection. Feature: Bulk packaging. Business Impact: Streamlines purchasing for large-scale deployments, lowers SKU proliferation, and supports faster stocking and replacements. Application: Large-scale property developments, utilities-connected metering, and integrated building management systems.
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FAQs
The BK/JJS-175 is a compact 3.25 in long, 0.88 in high fuse with a 175 A rating and 200 kAIC interrupt capability at 600 V. Its non-indicating, rejection-style design reduces installation errors in dense panels. Ensure proper terminal connection, verify compatibility with Class T devices, and maintain correct fuse type in each bay to preserve selective coordination.
A 200 kAIC interrupt rating provides robust fault-clearing capability for high-energy faults, enabling reliable protection of VFD-driven loads and upstream transformers. This supports selective coordination, minimizes arc energy, and reduces downtime during faults, which is critical in commercial and multi-family power distributions where downtime is costly.
Yes. The BK/JJS-175 is CE marked and RoHS compliant, addressing key European regulatory requirements for electrical protection devices. Its Class T construction and 600 V rating align with common global distribution practices, making it suitable for international buildings, data centers, and multi-region installations where regulatory adherence matters.
Best suited for multi-family meter stacks, space-constrained electrical rooms, and VFD line protection in commercial buildings. Its small footprint, high interrupt rating, and bulk packaging support dense panel layouts, rapid replacements, and scalable protection across large projects such as apartment complexes and mixed-use developments.
Bulk packaging reduces SKU proliferation and simplifies stocking, enabling faster replacements and consistent part numbers across sites. This translates to lower procurement costs, easier inventory management, and quicker field service for large-scale protection programs in building automation, metering, and industrial projects.