Mersen A110UD73TTI1000 / L301057 Protistor Size 73 aR Semiconductor Protection Fuse, 1100VAC, 1000A
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The Mersen A110UD73TTI1000 / L301057 is an ultra-fast acting Protistor® size 73 square body fuse-link, specifically engineered for the high-speed protection of semiconductor devices such as diodes, thyristors, and IGBTs. Designed for large-scale power conversion and rectification equipment, these fuses provide exceptional current-limiting performance and low I²t levels to prevent collateral damage in sensitive power electronics. This model features "TTI" style 1/2in - 13 unified coarse threaded terminals for robust electrical contact in high-current environments. Constructed with silver-plated contact surfaces and high-grade non-magnetic materials, it ensures superior cycling capability and optimized power dissipation for demanding industrial applications.
| Catalog Number | A110UD73TTI1000 |
| Item Number | L301057 |
| Rated Current (In) | 1000 A |
| Rated Voltage AC (UL) | 1100 VAC |
| Rated Voltage AC (IEC) | 1000 VAC |
| Mounting Type | TTI 1/2in - 13 Unified Coarse Threaded Terminals |
| Rated Breaking Capacity AC | 150 kA |
| Power Dissipation at In | 150 W |
| Speed/Characteristic | aR (Ultra-fast acting) |
| Product Size | 73 |
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