Mersen DN000UB69V315 / R330042 Protistor Semiconductor Fuse, 690VAC, 315A
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Mersen DN000UB69V315 / R330042 is a Protistor® PSC size 000 semiconductor fuse for DIN 000 applications, rated 315A and 690VAC. The verified designation is 6,9 URB 000 D08/315, with catalog number DN000UB69V315 and ref. number R330042 for accurate procurement identification and replacement sourcing.
| Brand | Mersen |
| Catalog Number | DN000UB69V315 |
| Ref. Number | R330042 |
| Designation | 6,9 URB 000 D08/315 |
| Fuse Type | Protistor® square-body semiconductor fuse |
| Size | 000 |
| Standard Form | German standard without blown fuse indicator |
| Voltage Rating | 690VAC |
| Current Rating | 315A |
| Class | URB / aR |
| Tested Breaking Capacity | 200kA at 690V |
| Estimated Breaking Capacity | 300kA at 690V |
| Pre-arcing I²t at 1 ms | 15500 A²s |
| Total Clearing I²t at 660V | 82000 A²s |
| 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 DN000UB69V315 / R330042 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 DN000UB69V315 / R330042, 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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