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Mersen PC73UD10C900EF / E300637 Protistor Size 73 aR High-Speed Semiconductor Fuse, 900 A, 1000V AC

Regular price $250.00 USD
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The Mersen PC73UD10C900EF is a heavy-duty, ultra-fast acting Protistor® square body fuse-link natively designed for the uncompromising protection of high-power industrial conversion equipment. Built to rigid aR characteristic specifications, this Size 73 fuse delivers industry-leading current limitation and cyclic thermal endurance, providing maximum safety for critical semiconductor components such as diodes, thyristors, and IGBT clusters. Housed within a specially engineered arc-controlling solidified sand matrix and featuring silver-plated EF style notched blade connections, it boasts an impressive 167 kA breaking capacity, ensuring superior fault interruption for high-capacity motor drives, large-scale inverters, and enterprise UPS networks.

Product ID (MPN) PC73UD10C900EF
Order Code / Item Number E300637
Product Series Protistor® Square Body High-Speed Fuses
Fuse Size Size 73
Speed / Characteristic aR (Ultra-Fast Acting Semiconductor Protection)
Rated Current (In) 900 A
Rated Voltage (AC) 1000 V AC (IEC) / 1100 V AC (UL)
Rated Breaking Capacity 167 kA AC
Terminals / Mounting Style Type EF (Notched Blade Connections)
Pre-arcing I²t 250 kA²s
Clearing I²t at Rated Voltage 1440 kA²s
Power Dissipation (at In) 170 W
Weight 1.11 kg
Standards & Certifications IEC 60269-4, VDE 636-23, UL/CSA Recognized (E76491)
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