Mersen A3T Fast Acting/Class T Fuse, 300VAC/160VDC, 200kA AC/50kA DC, 100 Ampere, 11/16" Diameter x 2-5/32" Length is rated at 208Y/120 Volt

is rated at 208Y/120 Volt AC or 240 Volt AC and 200 Amps

BR breaker

120/240 VAC AT 50/60 HZ

Applications are loadcenters panelboards

80 AMPERE CURRENT RATING

Mersen A3T Fast Acting/Class T Fuse, 300VAC/160VDC, 200kA AC/50kA DC, 100 Ampere, 11/16" Diameter x 2-5/32" Length is rated at 208Y/120 VoltMersen fast acting class T fuse. These small dimension fuses are the right fit for a tight fit fast acting A3T class T fuses combine two highly desirable features high current limitation and a small physical size. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings or current limiting capability. These fuses have glass melamine bodies for superior dimensional stability and catalog numbers stamped into the blades