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Fuses and fuse holders
Bussmann series Class RK1 Fuses
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Bussmann series Class RK1 Fuses

Bussmann's UL Class RK1 fuse offering includes the industry's most recognized Low-Peak dual-element, current-limiting, time-delay fuses (LPN-RK and LPS-RK) which are also available with optional indication on select ratings (see product data sheet). Complementing the Low-Peak product offering is Bussmann's Limitron family of fast-acting fuses (KTN-R, KTS-R, KWN-R and KWS-R) fuses.
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Core features

  • Current limitation for non-inductive circuits provides Class RK1 current-limiting response to maximum ground fault and short-circuit conditions.
  • Economical solutions for high-fault circuits.
  • 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.

Benefits of Class RK1 fuses

Current-limiting, time-delay and fast-acting fuses that deliver 2:1 selectivity ratio, and simultaneously enable inventory consolidation of RK1, RK5, H and K5 UL Class fuses.
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An introduction to understanding fuses and how they are applied for providing overcurrent protection.
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Eaton is a power management company with 2018 sales of $21.6 billion. We provide energy-efficient solutions that help our customers effectively manage electrical, hydraulic and mechanical power more efficiently, safely and sustainably. Eaton is dedicated to improving the quality of life and the environment through the use of power management technologies and services. Eaton has approximately 101,000 employees and sells products to customers in more than 175 countries.
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