The 3403.0279.23 from Schurter is a Fuses with Rated Voltage (AC) 277 VAC, Rated Current 3.15 A, Interrupting Rating (AC) 1500 A, Melting I2t 39 A2s, Interrupting Rating (DC) 1500 A. Tags: Fast Acting Fuse. More details for 3403.0279.23 can be seen below.