Monster Fuses > S&C Electric > SMD-1A, 2B & 2C > 15 - 250E Slow Speed S&C Electric - SMD 1A, 2B & 2C - 138kV - E-Rated - SMD-2B 15 - 250E Slow Speed Part Number Volt. (kV) Amperage Stock 489015R5 138 300 Request a Quote 489020R5 138 20 1 Request a Quote 489025R5 138 25 Request a Quote 489030R5 138 30 8 Request a Quote 489040R5 138 40 0 Request a Quote 489050R5 138 50 Request a Quote 489065R5 138 65 Request a Quote 489080R5 138 80 1 Request a Quote 489100R5 138 100 0 Request a Quote 489125R5 138 125 Request a Quote 489150R5 138 150 3 Request a Quote 489175R5 138 175 Request a Quote 489200R5 138 200 Request a Quote 489250R5 138 250 Request a Quote