JJN Limitron

Advanced Protection 300Vac, 1-1200A, Fast-Acting Fuses

Class T current -limiting, fast-acting fuses.

Data Sheet #1025

Product Change Notice - fuse labeling

Agency Cards

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Catalog Number JJN-_
Dimensions See Data Sheet # 1025
Volts - 300Vac (1-10A)
- 300Vac/160Vdc (15-600A)
- 300Vac/170Vdc (700-1200A)
Amps 1-1200A
IR - 200kA Vac RMS Sym.
- 20kA Vdc (15-600A)
- 100kA Vdc (700-1200A)
Agency Information - CE
- UL Listed Std. 248-15, Class T, Guide JDDZ, File E4273
- CSA Certified, C22.2 NO. 248.15, Class 1422-02, File 53787
Typical Applications - Large Apartment Complexes
- Multi-Family Meter Stacks
- VFD Line Protection


  • Series combination ratings with branch circuit breakers allows broad range of coverage, independent of breaker manufacturer
  • Current limitation for non-inductive circuits provides Class T current-limiting response to maximum ground fault and short-circuit conditions
  • 200kA interrupting rating provides high ratings at all circuit locations
  • Small footprint allows more efficient use of available space

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