| Focusrite device | Fuse 230/220V AC | Fuse 115/100V AC |
| Red 1 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Red 2 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Red 3 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Red 6 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Red 7 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Red 8 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Blue 230 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Blue 315 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| Blue 330 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| ISA215 | T250mA anti-surge (Time lag) | T500mA anti-surge (Time lag) |
| ISA110LE | T160mA anti-surge (Time lag) | T315mA anti-surge (Time lag) |
| ISA430 | T500mA anti-surge (Time lag) | T1.6A anti-surge (Time lag) |
| ISA220 | T500mA anti-surge (Time lag) | T1.6A anti-surge (Time lag) |
| ISA428 | T500mA anti-surge (Time lag) | T1A anti-surge (Time lag) |
| ISA430 MKI & MKII | T500mA anti-surge (Time lag) | T1.6A anti-surge (Time lag) |
| VoiceMaster | T160mA anti-surge (Time lag) | T315mA anti-surge (Time lag) |
| ToneFactory | T160mA anti-surge (Time lag) | T315mA anti-surge (Time lag) |
| Compounder | T160mA anti-surge (Time lag) | T315mA anti-surge (Time lag) |
| MixMaster | T315mA anti-surge (Time lag) | T630mA anti-surge (Time lag) |
| Penta | T160mA anti-surge (Time lag) | T315mA anti-surge (Time lag) |
| TrakMaster | T160mA anti-surge (Time lag) | T315mA anti-surge (Time lag) |
| OctoPre | T315mA anti-surge (Time lag) | T630mA anti-surge (Time lag) |
| VoiceMaster Pro | T315mA anti-surge (Time lag) | T630mA anti-surge (Time lag) |
| TwinTrak Pro | T315mA anti-surge (Time lag) | T630mA anti-surge (Time lag) |
