Eaton 8CLS-70 CLS Fuse - 7.2 kV 50 kAIC for Motor Protection
Part Number: 8CLS-70
Quick Summary
The Eaton Bussmann CLS fuse 8CLS-70 provides reliable motor-protective coverage for high-energy drive systems. Many engineers struggle with nuisance trips and unplanned downtime when protection devices are undersized for motor starts. This model lists IEEE Std. C37.41 as Not Applicable and specifies Compliances as Contact Manufacturer for regional approvals. By selecting a single-barrel CLS fuse with 7.2 kV and 70 A nominal rating, you gain dependable motor protection, simplified installation, and predictable lifecycle cost within electrical protection and circuit control. Leveraging Bussmann series compatibility helps ensure the protection scheme integrates with existing switchgear and drive topologies, reducing spare parts and maintenance overhead in the plant.
Product Information
Extended Description
8CLS-70 Eaton: Eaton Bussmann series 8CLS fuse, Single barrel, 7.2 kV, 70A, 50 kAIC, Motor start, CLS, Single barrel
Product Name
Eaton Bussmann series CLS fuse
Catalog Number
8CLS-70
UPC
051712530927
Product Length/Depth
17.9 in
Product Height
3 in
Product Width
3 in
Product Weight
9 lb
Warranty
Not Applicable
Compliances
Contact Manufacturer
Certifications
IEEE Std. C37.41 Not Applicable
Catalog Notes
Consult factory for mountings.
Amperage Rating
70 A
Interrupt rating
50 kAIC
Voltage rating
7.2 kV
Barrels
1
Special features
Single barrel
8CLS-70~151D256G04~8KV 70A CLS FUSE
Bussmann series complete full line catalog no. 1007
Bussmann series Fuseology
Eaton Specification Sheet - 8CLS-70
70 A amperage rating with a 50 kAIC interrupt capability at 7.2 kV provides precise overcurrent protection for motor circuits, reducing fault energy and limiting equipment damage. This translates to lower repair costs and improved uptime in demanding industrial environments. Single-barrel design offers a compact, easy-to-install protection device that simplifies field wiring and panel layout while maintaining robust performance for motor starts. The 8CLS-70 measures 17.9 inches in length with a 3 inch width and 3 inch height, yielding a predictable footprint that fits standard enclosures and supports denser control panels without sacrificing protection quality. Catalog notes advise consulting the factory for mountings, ensuring optimal orientation and compatibility with Eaton protection systems. For a cohesive protection strategy, the fuse integrates seamlessly with Bussmann series components, reducing spare parts and simplifying maintenance across motor control centers. Its high interrupt rating supports fast disconnection during fault events, helping protect drives and minimize downtime.
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FAQs
The 8CLS-70 is rated for 70 A with a 50 kAIC interrupt rating and a voltage rating of 7.2 kV. It is a single-barrel Bussmann CLS fuse intended for motor-start protection in high-energy drive circuits, providing rapid disconnection during fault events.
With a 70 A rating and 50 kAIC interrupt capability at 7.2 kV, the 8CLS-70 protects motor starters and VFD-driven loads by limiting fault energy. Its single-barrel design simplifies installation in standard enclosures and aligns with Bussmann series protection components for cohesive maintenance.
The 8CLS-70 measures 17.9 inches long, 3 inches wide, and 3 inches high, weighing 9 pounds. Catalog notes advise consulting the factory for mountings, ensuring proper orientation and compatible mounting hardware within existing electrical protection assemblies.
IEEE Std. C37.41 is listed as Not Applicable for this model, and Compliances indicate contact Manufacturer for regional approvals. Always consult Eaton for local regulatory acceptance, installation guidelines, and mounting options specific to your region and panel design.
Using the 8CLS-70 can reduce unplanned downtime by improving motor-start protection, lowering wear from fault energy, and standardizing on Bussmann series parts. The single-barrel design simplifies spare parts inventories, speeds replacement, and minimizes panel footprint, contributing to lower lifecycle costs in protection and circuit control.