Eaton KTS-R-90 fuse - Class RK1, 90 A, 200 kAIC at 600 Vac
Part Number: KTS-R-90
Quick Summary
Eaton KTS-R-90 fuse protects 600 V circuits in industrial panels with fast-acting, current-limiting protection. Facility downtime and nuisance trips are common challenges when protection is undersized or slow to clear; this fuse mitigates that risk with rapid interruption. CE marked for regulatory compliance and RoHS information available via Eaton's RoHS tool, the KTS-R-90 aligns with modern procurement and sustainability requirements. Designed for Bussmann series RK1 applications, it delivers dependable protection in power distribution, motor control, and drive panels, while offering straightforward installation and compatibility with standard bussing and enclosures. In short, it combines robust safety with cost-effective maintenance for industrial operations.
Product Information
Extended Description
KTS-R-90 Eaton: Eaton Bussmann Series Class RK1 fuse, KTS-R, fast-acting, current limiting fuse, 90 A, rejection style fuse, interrupting rating of 200 kA at 600 Vac
Product Name
Eaton Bussmann series KTS-R fuse
Catalog Number
KTS-R-90
UPC
051712417150
Product Length/Depth
7.88 in
Product Height
1 in
Product Width
1 in
Product Weight
0.5 lb
Warranty
Not Applicable
Compliances
CE Marked
Amperage Rating
90 A
Interrupt rating
200 kAIC at 600 Vac
Voltage rating
600 V
Number of elements
1
Packaging type
Standard
Class
Class RK1
Fuse indicator
Non-indicating
Special features
Knife blade
Bussmann Full Line Catalog
Bussmann Full Line Catalog
RoHS Search Tool
Bussmann series Fuseology
Bussmann series KTS-R 600 V Class RK1 fuse data sheet no. 1044
Feature: Fast-acting current-limiting design. Business impact: Reduces fault energy, minimizes collateral damage to downstream devices, and shortens downtime during faults. Application: Ideal for power distribution panels and motor control centers where rapid clearing protects costly drives and sensors. The result is improved equipment longevity and lower maintenance costs. Feature: 90 A rating with a 200 kAIC interrupt rating at 600 Vac. Business impact: Provides strong fault-current handling for high-inrush loads, reducing the chance of transformer or switchgear damage. Application: Suitable for industrial feeders and high-current circuits in machine lines, ensuring reliable protection without oversizing. Feature: Rejection style, single-element RK1 class fuse. Business impact: Eliminates accidental installation of the wrong fuse, improving safety and maintenance efficiency. Application: Streamlines panel assembly and field replacement in standard electrical enclosures. Feature: Knife blade and non-indicating design. Business impact: Enhances mechanical reliability in vibration-prone environments and simplifies visual inspection workflows. Application: Harsh factory floors and automated lines where robust fusing is required. Feature: Compact physical footprint (7.88 in L, 1 in W/H) and 0.5 lb weight. Business impact: Enables easier integration into tight control cabinets and reduces enclosure modifications. Application: Modern industrial cabinets and control panels that demand space efficiency and standard packaging.
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FAQs
For reliable installation, ensure the fuse is mounted in a standard RK1-compatible holder within a 600 V panel. The KTS-R-90 has a 7.88 in length and 1 in cross-section, fitting typical DIN-rail or block-style enclosures. Use the standard Bussmann series accessory components and verify the rejection-style design prevents incorrect fuse selection during maintenance.
The 200 kAIC rating means the fuse can safely interrupt very high fault currents, minimizing arcing energy and protecting downstream equipment such as transformers, drives, and contactors. In practice, this improves uptime in heavy industrial applications and reduces the risk of catastrophic equipment damage during faults.
Yes. With a 90 A rating, 600 V voltage rating, and a Class RK1, fast-acting design, the KTS-R-90 is well-suited for motor feeders and drive panels. The knife blade feature enhances durability in vibration-prone facilities, while its compact form factor supports installation in tight motor-control cabinets.
The KTS-R-90 is CE marked, indicating regulatory compliance for many markets. Eaton provides access to RoHS information via their RoHS search tool to support material and environmental compliance in procurement and supplier management.
The KTS-R-90’s fast-acting protection reduces downtime and avoids collateral damage, lowering maintenance costs. Its standard packaging and rejection-style design minimize wrong-part replacements, streamline inventory, and shorten service times in routine panel maintenance and repairs.