Mersen PC32UD69V630TF / M300069 Protistor Size 32 Square Body High-Speed Fuse, 630A, 690V AC
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The Mersen PC32UD69V630TF (Item No. M300069) is a high-speed, aR-class Protistor® square body fuse specifically engineered for the high-performance protection of power conversion equipment. Operating at 630A and 690V AC (IEC) / 700V AC (UL), this size 32 fuse utilizes precision die-cut elements in solidified sand to ensure an exceptionally low I²t let-through value, safeguarding critical semiconductors like diodes, thyristors, and IGBTs. Featuring M10 threaded TTF terminals and an impressive 200kA breaking capacity, it delivers reliable short-circuit fault clearing and superior cycling capability for heavy-duty industrial inverters, motor drives, and UPS systems.
| Product ID (MPN) | PC32UD69V630TF |
| Order Code / Item Number | M300069 |
| Rated Current (In) | 630 A |
| Voltage Rating AC | 690 V (IEC) / 700 V (UL) |
| Breaking Capacity AC | 200 kA |
| Fuse Size | 32 |
| Speed / Characteristic | aR (High-Speed Semiconductor Protection) |
| Terminal Type | TTF (M10 Threaded Terminals) |
| Pre-arcing I²t | 54 kA²s |
| Clearing I²t at Rated Voltage | 310 kA²s |
| Power Dissipation (at In) | 95 W |
| Compliance / Approvals | IEC 60269-4, UL/CSA Recognized (E76491), CCC GB 13539.4 |
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