Eaton KTU-650 Fuse - Class L, 650A, 200 kAIC
Part Number: KTU-650
Quick Summary
Eaton KTU-650 fuse provides fast-acting overcurrent protection for industrial power circuits and control panels. Sizing protections for high-demand equipment without nuisance trips can delay startups and complicate spare-part inventories. RoHS compliant and CE marked, this Class L fuse offers reliable protection for sensitive devices while aligning with stringent regulatory requirements. With 600 V systems in mind, the 650 A rating and 200 kAIC interrupt capability simplify procurement, while the ferrule design and bolt mounting streamline field installation and maintenance, helping maximize uptime and minimize downtime costs.
Product Information
Extended Description
KTU-650 Eaton: Eaton Bussmann Series Class L fuse, KTU, fast-acting, current limiting fuse, 700 A, bladable fuse, interrupting rating of 200kA at 600Vac
Product Name
Eaton Bussmann series KTU fuse
Catalog Number
KTU-650
UPC
051712613071
Product Length/Depth
8.63 in
Product Height
2.5 in
Product Width
2.5 in
Product Weight
3.75 lb
Warranty
Not Applicable
Compliances
RoHS Compliant CE Marked
Amperage Rating
650 A
Interrupt rating
200 kAIC at 600 Vac
Voltage rating
600 V
Material
Silver-plated end bells Melamine glass tube
Packaging type
Standard
Class
Class L
Fuse indicator
Non-indicating
Mounting method
Bolt
Special features
Ferrule design
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KTU Class L fuse data sheet No. 1010
Feature: Class L fast-acting, current-limiting protection. Business impact: reduces fault energy and minimizes arcing, protecting downstream devices and extending equipment life. Application: power distribution panels and motor control centers in heavy industry. Feature: 650 A amperage rating. Business impact: supports high-current feeders without nuisance trips, improving startup reliability. Application: main feeds in manufacturing lines and processing plants. Feature: 200 kAIC interrupt rating at 600 VAC. Business impact: high fault-current resilience reduces downstream damage and maintenance costs. Application: switchgear, large-motor circuits, and critical power rails. Feature: Bolt mounting and ferrule design. Business impact: easier installation, secure connections, and reduced maintenance time. Application: panel boards and enclosures with standard Bussmann mounting footprints. Feature: Silver-plated end bells and Melamine glass tube construction. Business impact: enhanced durability and arcing resistance in harsh environments. Application: industrial environments with vibrations and temperature variations. Feature: RoHS compliant and CE Marked. Business impact: regulatory confidence and simplified compliance reporting. Application: international installations and regulated markets.
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FAQs
The KTU-650 is designed for bolt mounting with ferrule end connections, aligning with standard Bussmann Class L fuse holders. It fits typical panel boards and enclosures that accommodate 1-inch wide, 0.75-inch deep Class L fuses, enabling straightforward field replacement and minimizing downtime during maintenance or upgrades.
Key ratings include a 650 A amperage rating, a 600 V voltage rating, and an interrupt rating of 200 kAIC at 600 VAC. This combination supports high-demand circuits while maintaining fast response to overcurrent conditions, reducing damage to downstream equipment and improving system reliability.
Yes. The KTU-650’s Class L fast-acting, current-limiting design is well-suited for motor protection and power distribution circuits where rapid fault clearing minimizes arcing and equipment stress. Its 650 A rating and high interrupt capability make it appropriate for large motors, feeders, and critical process lines.
The KTU-650 is RoHS compliant and CE marked, reflecting adherence to European regulatory requirements. This combination supports compliant installation in regulated facilities and simplifies cross-border procurement and documentation for global projects.
Datasheets for the KTU Class L fuse are available in Eaton’s Bussmann catalog resources, including data sheet No. 1010 for KTU series. Access to the catalog and downloads helps with accurate part selection, warranty planning, and ROI analysis by validating ratings, compatibility, and replacement intervals.