Bussmann KTN-R series fast acting RK1 fuse

KTN-R (250 V) and KTS-R (600 V) Class RK1 Limitron fast-acting fuses

Fast-acting, current-limiting Class RK1 fuses. For superior electrical protection, Eaton recommends upgrading KTN-R fuse applications to Bussmann series Low-Peak LPN-RK 250 V or LPS-RK 600 V fuses.

Ratings

 • Volts

 • KTN-R − 250 Vac (or less) − 250 Vdc (70-350 A)

 • KTS-R 600 Vac (or less)

 • Amps 1-600 A

 • IR

 • 200 kA RMS Sym.

 • 100 kA Vdc (KTN-R)

Agency information

 • KTN-R

 • UL Listed, Std 248-12, Class RK1, Guide JDDZ, File E4273

 • CSA Certified, Class 1422-02, File 53787

 • KTS-R

 • UL Listed, Std 248-12, Class RK1, Guide JDDZ, File E54273

 • CSA Certified, C22.2 No 248.12, Class 1422-02, File 53787

 • CE

Features

 • Current limitation for non-inductive circuits provides Class RK1 current-limiting response to maximum ground fault and shortcircuit conditions

 • 200 kA interrupting rating provides high ratings at all circuit locations

 • Economical protection for high-fault current circuits

Typical applications

 • Panelboards