Mersen DN000UB50V350 / V330114 Protistor Semiconductor Fuse, 500VAC, 350A
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Mersen DN000UB50V350 / V330114 is a Protistor® PSC size 000 semiconductor fuse for DIN 000 applications, rated 350A and 500VAC. The verified designation is 5 URB 000 D08/350, with catalog number DN000UB50V350 and ref. number V330114 for accurate procurement identification and replacement sourcing.
| Brand | Mersen |
| Catalog Number | DN000UB50V350 |
| Ref. Number | V330114 |
| Designation | 5 URB 000 D08/350 |
| Fuse Type | Protistor® square-body semiconductor fuse |
| Size | 000 |
| Standard Form | German standard without blown fuse indicator |
| Voltage Rating | 500VAC |
| Current Rating | 350A |
| Class | URB / aR |
| Tested Breaking Capacity | 120kA at 500V |
| Pre-arcing I²t at 1 ms | 22400 A²s |
| Total Clearing I²t | 110000 A²s at UN |
| Watts Loss | 31.9W at 0.8 IN; 58W at IN |
| I/IN | 0.7 |
| Weight | 130g |
| Reference Fuse Base | SI 000 DIN 80, ref. C220710 |
This DN000UB50V350 / V330114 fuse is typically used in semiconductor protection, power electronics, converter equipment, drive systems, and industrial circuit protection applications where DIN 000 square-body fuse format and verified electrical ratings are required for replacement review.
Apexon Supply supports B2B sourcing and replacement review for DN000UB50V350 / V330114, helping procurement teams compare verified specifications and confirm technical alignment for industrial maintenance or lifecycle replacement sourcing.
Send the catalog number, ref. number, required quantity, and application requirements to request RFQ support for this Mersen Protistor® fuse. Most qualified RFQs receive a response or quote within 12 hours.
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