FRS-R Fusetron

Advanced Protection Energy Efficient 600Vac/300Vdc, 1/10-600A, Dual Element, Time-Delay Fuses

Energy efficient Class RK5 dual element, current-limiting, time-delay fuses with optional open fuse indication on select ratings (see data sheets).

Time-delay – 10 second (minimum) at 500% of rated current.

Fusetron fuses are on average 23% more energy efficient than the next leading brand.*

Product Profile no. 10117

Data Sheet no. 1017 (1/10-60)

Data Sheet no. 1018 (65-600)

Agency Cards

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* Test results are based on weighted sales volume of FUSETRON and Ferraz Shawmut (Mersen) fuses by selected amp and volt rating combination. Next leading brand refers to Ferraz Shawmut based on third-party fuse market share data for a twenty-seven month period (July 2008 through September 2010).

Catalog Number FRS-R-_
Dimensions See Data Sheets
Volts - 600Vac
- 300Vdc (1/10 to 30A & 65-600A)
- 250Vdc (35-60A - does not apply to indicating versions)
Amps 1⁄10-600A
IR - 200kA Vac RMS Sym.
- 20kA Vdc
Agency Information - CE
- UL Listed, Std. 248-12, Class RK5, Guide JDDZ, File E4273
- CSA Certified, Class 1422-02, File 53787
Typical Applications - Power Panelboards
- Motor Control Centers
- Combination Starters
- Machinery Disconnects


  • 2:1 selective coordination ratio (within RK5 fuse family) prevents electrical shutdowns from extending beyond the failed circuit
  • Insulated end caps for 70-600A fuses reduces exposure to live parts and extends air gap to distance between blades of adjacent mounted fuses or to housing