Mersen A100UD73TTI1250 / M301058 Protistor Size 73 aR Semiconductor Protection Fuse, 1250A, 900VAC (IEC)

The Mersen Protistor® size 73 aR semiconductor protection fuses are designed to provide state-of-the-art protection for power equipment including diodes, thyristors, and IGBT devices. Specifically engineered for 900/1000V applications, these ultra-fast acting square body fuse-links offer a high interrupting rating and low I²t levels to prevent collateral damage to sensitive power conversion electronics. The A100UD73TTI1250 features silver-plated contact surfaces and a TTI 1/2in-13 unified coarse threaded terminal configuration, ensuring reliable electrical conductivity and high cycling capability in demanding industrial environments.