KTS-R Limitron

Advanced Protection 600Vac, 1-600A, Fast-Acting Fuses

Class RK1 current-limiting, fast-acting fuse.

Data Sheet #1044

Product Change Notice - fuse labeling

Agency Cards

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Catalog Number KTN-S-_
Dimensions See Data Sheet # 1044
Volts 600Vac
Amps 1-600A
IR 200kA Vac RMS Sym.
Agency Information - CE
- UL Listed, Std. 248-12, Class RK1, Guide JDDZ, File E4273
- CSA Certified, C22.2 NO. 248.12, Class 1422-02, File 53787
Typical Applications - Panelboards


  • Provides 10X better current limitation to help prevent equipment damage caused by short-circuit events.
  • 200kA Interrupting rating complies with NEC® Section 110.9 for today's large capacity systems.
  • Fast-acting fuse helps prevent equipment damage caused by short-circuit events.
  • Incorporates Class R rejection feature. Can be inserted in non-rejection type fuse holders to physically and electrically replace fast-acting Class H, K1, K5, RK5, and other fast-acting fuses.
  • Ideal for critical industrial or commercial applications that have specific current limitation requirements.