The A3T250 reference pairs Mersen A3T construction with a 250A Class T fast-acting fuse rating specified for 300V AC / 160V DC duty and 200kA AC / 50kA DC fault clearing using compact blade-terminal construction.
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Mersen designed A3T250 as a 250A Class T fast-acting fuse for panelboard, switchboard and distribution protection. Its published series ratings pair 300V AC / 160V DC service with 200kA AC / 50kA DC circuit interruption. Its compact blade-terminal construction supports panelboard, switchboard and distribution protection, with standards referenced as UL 248-15|CSA C22.2 No. 248.15.
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