Mersen DN00UB69V450L N330246 Protistor High-Speed Fuse, 450A 600VAC, DIN 00 aR
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Mersen DN00UB69V450L is a Protistor® PSC square-body high-speed fuse designed for semiconductor protection in industrial power conversion systems. This DIN 00 aR fuse is rated 450 A at 600 V AC and uses a bolted DIN 80 mounting configuration for high-power circuit protection applications.
| Product ID / MPN | DN00UB69V450L |
| Secondary ID | N330246 |
| Brand / Series / Category | Mersen Protistor® PSC Size 00 high-speed fuse |
| Current Rating | 450 A |
| Voltage Rating | 600 V AC |
| Utilization Category | aR ultra-fast acting |
| Breaking Capacity | 200 kA tested at 600 V AC |
| Fuse Size | DIN 00 |
| Mounting / Connection | Bolted DIN 80, 80 mm axis |
| Pre-arcing I²t | 51,850 A²s at 1 ms |
| Total Clearing I²t | 196,000 A²s at Un |
| Power Dissipation | 74 W at In |
| Body Material | Ceramic |
| Operating Indicator | Indicating pawl / striker |
| Standards / Certifications | IEC 60269-1 and IEC 60269-4 |
Typical applications include semiconductor protection for diodes, thyristors, power converters, rectifiers, drives, inverters, and other high-power industrial electrical systems requiring ultra-fast fault clearing.
Apexon Supply provides B2B sourcing and replacement support for Mersen DN00UB69V450L high-speed fuses. Buyers should verify current rating, voltage rating, fuse size, utilization category, breaking capacity, and DIN 80 bolted mounting requirements before replacement.
Send the MPN, quantity, and application requirements for RFQ support. Most qualified RFQs receive a response or quote within 12 hours.
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