Fuse ea HRC ea motlakase o tlase oa NT e bobebe ka boima, e nyane ka boholo, e na le matla a fokolang, e lahleheloa ke matla 'me e na le bokhoni bo phahameng ba ho robeha. Sehlahisoa sena se 'nile sa sebelisoa haholo ho sireletsa motlakase ka bongata le ka potoloho e khuts'oane.
Sehlahisoa sena se latela maemo a IEC 269 ka lintlha tsohle tse boemong bo tsoetseng pele ba lefats'e.
Lihokelo tsa fuse ea indasteri bakeng sa mefuta e mengata ea lits'ebetso.
ho paka ka lebokose le tloaelehileng la kantle ho naha, kapa ho ea ka kopo ea moreki
| Boholo | Motlakase o lekantsoeng (V) | Lekanyeditswe hona jwale (A) | Boima (g) |
| NH00C | AC500/690V DC 440V | 2,4,6,10,16,20,25,32,35,40,50,63,80,100 | 145 |
| NH00 | AC500/690V DC 440V | 2,4,6,10,16,20,25,32,40,50,63,80,100,125,160 | 180 |
| NH0 | AC500/690V DC 440V | 4,6,10,16,20,25,32,40,50,63,80,100,125,160 | 250 |
| NH1 | AC500/690V DC 440V | 63,80,100,125,160,200,224,250 | 460 |
| NH2 | AC500/690V DC 440V | 80,100,125,160,200,224,250,300,315,355,400 | 680 |
| NH3 | AC500/690V DC 440V | 300,315,355,400,425,500,630 | 900 |
| NH4 | AC500/690V DC 440V | 630,800,1000,1250 | 2200 |