Mersen A070UD32KI630 Protistor Fuse, 630A 700V AC, Size 32 aR, High-Speed Square Body with KI Bolted Contacts
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The Mersen A070UD32KI630, item number L300195, is a Size 32 Protistor aR square-body semiconductor fuse rated at 630 A and 700 VAC. It features KI metric bolted studs, a 200 kA breaking capacity, pre-arcing I²t of 76 kA²s, and an integrated K-Type mechanical striker.
| Brand | Mersen |
| Catalog Number | A070UD32KI630 |
| Item Number | L300195 |
| Product Family | Protistor |
| Product Category | Square-Body Semiconductor Fuse-Link |
| Operating Class | aR Ultra-Fast Acting |
| Amperage Rating | 630 A |
| Voltage Rating | 700 VAC IEC / UL |
| Breaking Capacity | 200 kA at 700 VAC |
| Pre-Arcing I²t | 76 kA²s |
| Total Clearing I²t | 500 kA²s at Rated Voltage |
| Power Dissipation | 100 W at Rated Current |
| Fuse Size | Size 32 |
| Mounting Configuration | KI Metric Bolted Studs |
| Terminal Material | Silver-Plated Copper |
| Indication System | Integrated K-Type Mechanical Striker |
| Body Material | Ceramic |
| Standards and Compliance | IEC 60269-4, UL 248-13 Recognized, RoHS Compliant |
Typical applications include protection of thyristors, IGBTs, and other power semiconductor devices used in large power converters, UPS systems, and AC/DC motor drives.
Apexon Supply provides B2B sourcing and replacement support for the Mersen A070UD32KI630. Buyers should verify the 630 A rating, 700 VAC rating, aR class, Size 32 configuration, KI bolted-stud mounting, 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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