Mersen PC73UD12C900TF Protistor Size 73 aR High-Speed Fuse, 900A, 1200VAC
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Mersen PC73UD12C900TF is a Protistor Size 73 aR square body high-speed fuse-link for semiconductor protection applications. This 900 A fuse is rated 1200 V AC IEC and uses TTF M12 threaded terminals for power conversion and circuit protection review.
| Product ID / MPN | PC73UD12C900TF |
| Secondary ID | T300512 |
| Brand / Series / Category | Mersen Protistor Size 73 aR high-speed fuse-link |
| Rated Voltage | 1200 V AC IEC; 1300 V AC UL |
| Rated Current | 900 A |
| Fuse Characteristic | aR ultra-fast acting |
| Pre-arcing I²t | 250 kA²s |
| Clearing I²t at Rated Voltage | 1870 kA²s |
| Rated Breaking Capacity AC | 126 kA |
| Power Dissipation at In | 151 W |
| Mounting / Terminal / Connection | Size 73 type TTF M12 threaded terminals |
| Package Quantity | 1 |
| Weight | 1.22 kg |
| Standards / Certifications | aR Class according to IEC 60269-4 and VDE 636-23 |
Typical applications include protection of inverters, motor drives, UPS systems, and semiconductor devices such as diodes, thyristors, and IGBT devices.
Apexon Supply supports B2B sourcing and replacement review for Mersen PC73UD12C900TF, helping buyers compare verified fuse ratings, body size, terminal style, and protection requirements before procurement.
Send the MPN, required quantity, and application details for RFQ support. Most qualified RFQs receive a response or quote within 12 hours.
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