Ferraz Shawmut - Mersen A70QS40-14F 14 x 51 mm 40 Amp 700 Volt Semiconductor Protection Fuse

These Premium Amp-trap French Cylindrical Semiconductor Fuses are an extension of the popular A70QS product line. They are solid-fill 14mm and 22mm fuses IEC rated 690VAC, 200kA Interrupting and 700VDC, 100kA interrupting at 10ms time constant. In addition, these fuses have an 890 VDC rating for capacitor discharge applications up to 2.5ms time constant. All ampere ratings are available with a striker. Applications include small inverter drives and UPS systems, with superior I.t for improved protection and performance. Features: 700VDC rated for dc protection of equipment with L/R <= 10ms/c; Superior cycling ability for longer life on difficult cyclic loading applications; International 14 x 51mm (2 In x 9/16 In) and 22 x 58mm (2-1/4 In x 13/16 In) sizes for worldwide acceptance; Ferrule mount for design versatility; Very low I2t for improved semiconductor protection; 690V IEC rated, tested at 760VAC; can be used up to 750VAC in U.S.