Tri-Onic TRM time-delay midget fuses are rated 250VAC and are offered in 36 ampere ratings from 1/10A to 30A. They have 12 seconds time-delay at 200 percent 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) 250 Volts 2.5 amps.