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Mersen - formerly Ferraz Shawmut

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Tri-onic TRM time-delay midget fuses are rated 250 volts AC and are offered in 36 ampere ratings from 1/10A to 30A. They have 12 seconds time delay at 200 % rating to provide supplemental protection of small motors, small transformers and other high inrush loads, plus many other 250 volt applications. (Not for Branch Circuit Protection)

Features and Benefits

Numerous ratings for a wide variety of applications250VAC rating in all sizesTime delay for circuits with high inrush currentCan be used with ULTRASAFE[TM]Fuseholders

Approvals and Compliances

UL Listed to Standard 248-14CSA Certified to Standard C22.2 No. 248.14RoHS Compliant

AC Rating

  • 250VAC, 10kA I.R.

UL Class



E33925 (JDYX.E33925)


1422-01 (1422-01 012636_0_000)