Mersen A070UD32TTI1000 Protistor Fuse, 1000A 700V AC, Size 32 aR, High-Speed Square Body with Striker
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The Mersen A070UD32TTI1000, item number T300443, is a Size 32 Protistor aR square-body semiconductor fuse rated at 1000 A and 700 VAC. It provides a 200 kA breaking capacity, TTI flush-end M10 threaded mounting, and an integrated Type I mechanical striker.
| Brand | Mersen |
| Catalog Number | A070UD32TTI1000 |
| Item Number | T300443 |
| Product Family | Protistor |
| Product Category | Square-Body Semiconductor Fuse-Link |
| Operating Class | aR Ultra-Fast Acting |
| Amperage Rating | 1000 A |
| Voltage Rating | 700 VAC IEC / UL |
| Breaking Capacity | 200 kA at 700 VAC |
| Pre-Arcing I²t | 300 kA²s |
| Total Clearing I²t | 2100 kA²s at Rated Voltage |
| Power Dissipation | 165 W at Rated Current |
| Fuse Size | Size 32 |
| Mounting Configuration | TTI Flush-End M10 Metric Threads |
| Indication System | Integrated Type I Mechanical Striker |
| Body Material | Ceramic |
| Contact Surface | Silver-Plated |
| Standards and Compliance | IEC 60269-4, UL Recognized, RoHS Compliant |
Typical applications include protection of thyristors, SCRs, and other power semiconductor devices used in large power converters, industrial rectifiers, and heavy-duty motor drives.
Apexon Supply provides B2B sourcing and replacement support for the Mersen A070UD32TTI1000. Buyers should verify the 1000 A rating, 700 VAC rating, aR class, M10 threaded mounting, Size 32 configuration, and I²t values against the original equipment requirements.
Send the catalog number, item number, required quantity, and application requirements to request a B2B quote and technical alignment support.
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