| Marca | Switchgear parts |
| Numerus Modeli | Fusum PV DNR Series Fusum Batteriae Nexus Supplie |
| currus electricus nominatus | 250A |
| Series | DNR |
Fusum DNR PV est fusum praestantiae pro protectione DC in applicationibus solaribus et conservationis energiae. Haec fusura montata per bollos (classis aR ad protectionem semiconductores) est admissa usque ad AC 690V / DC 500V et currentes ab paucis ampere ad 400A, quae eas faciunt ideales ad protegendum inverteres, converteres, systemata batteriarum, et alia electronica potentiae.
Haec praebent celerem protectionem circuitus brevis et backup pro sensibilibus dispositivis semiconductoribus in systematibus energiae renovabili – exempli gratia, converteres frequentiae, rectificatores, inverteres, et varia supply potentiae – et batteries, motrices, capacitates, et cabling. Hoc significat fusum DNR potest tractare defectus in array PV on-grid vel off-grid, banks storage battery, systemata EV drive, et motor drives.
| Specification | Details |
| Voltage Admissum | AC 690 V / DC 500 V |
| Currentus Admissus | 4 A – 400 A (series models cover this range) |
| Capacitas Interruptoris | AC 100 kA / DC 50 kA |
| Constantia Temporis (DC) | 10–15 ms at 50 kA (L/R ≤ 15 ms) |
| Temperatura Operativa | –40 °C to +80 °C |
| Humiditas (non-cond.) | ≤50% at 40 °C; ≤90% at 20 °C (non-condensing) |
| Classis Protectionis | aR (for semiconductor devices) |
| Montatio | Bolted (M5, M6, or M10 screws) |
| Torque Recommendatus
|
M5: 4 N·m (DNR10 models) |
| M6: 8 N·m (DNR18 models) | |
| M10: 21 N·m (DNR30/DNR38 models) | |
| Rating Flammas | UL94 V-0 (self-extinguishing) |
| Certificationes | CCC |
| Standardes | IEC 60269-4, GB/T 13539.4 |