Mersen DN000UB50V400 / D330191 Protistor Semiconductor Fuse, 500VAC, 400A
Couldn't load pickup availability
Secure checkout via Credit Cards, PayPal & Bank Wire (T/T)
Mersen DN000UB50V400 / D330191 is a Protistor® PSC size 000 semiconductor fuse for DIN 000 applications, rated 400A and 500VAC. The verified designation is 5 URB 000 D08/400, with catalog number DN000UB50V400 and ref. number D330191 for accurate procurement identification and replacement sourcing.
| Brand | Mersen |
| Catalog Number | DN000UB50V400 |
| Ref. Number | D330191 |
| Designation | 5 URB 000 D08/400 |
| Fuse Type | Protistor® square-body semiconductor fuse |
| Size | 000 |
| Standard Form | German standard without blown fuse indicator |
| Voltage Rating | 500VAC |
| Current Rating | 400A |
| Class | URB / aR |
| Tested Breaking Capacity | 120kA at 500V |
| Pre-arcing I²t at 1 ms | 33200 A²s |
| Total Clearing I²t | 160000 A²s at UN |
| Watts Loss | 36.3W at 0.8 IN; 66W at IN |
| I/IN | 0.65 |
| Weight | 130g |
| Reference Fuse Base | SI 000 DIN 80, ref. C220710 |
This DN000UB50V400 / D330191 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 DN000UB50V400 / D330191, 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.
Share
