Schneider LV480857 Fupact — now discontinued, supplied from remaining surplus and broker stock.
| Parameter | Value |
|---|---|
| Fuse type | DIN |
| Control type | Fuse carriers handle |
| Product or component type | Fuse-switch disconnector |
| Voltage | 1000 V AC 50/60 Hz 1000 V DC |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz 800 V AC 50/60 Hz AC-20 800 V DC DC-20 |
| [Uimp] rated impulse withstand voltage | 8 kV |
| [Icw] rated short-time withstand current | 15 kA for 1 s |
| [Ie] rated operational current | AC-21B: 400 A at 220/240 V AC 50/60 Hz AC-21B: 400 A at 380/415 V AC 50/60 Hz AC-21B: 400 A at 440/480 V AC 50/60 Hz AC-21B: 400 A at 500 V AC 50/60 Hz AC-21B: 400 A at 660/690 V AC 50/60 Hz AC-22B: 400 A at 220/240 V AC 50/60 Hz AC-22B: 400 A at 380/415 V AC 50/60 Hz AC-22B: 400 A at 440/480 V AC 50/60 Hz AC-22B: 400 A at 500 V AC 50/60 Hz AC-23B: 400 A at 220/240 V AC 50/60 Hz AC-23B: 400 A at 380/415 V AC 50/60 Hz |
| [Icm] rated short-circuit making capacity | 30 kA at 690 V |
| [Iq] breaking capacity with fuses (kA RMS) | 120 kA at 415 V (AC) 120 kA at 500 V (AC) 120 kA at 690 V (AC) |
| [Ith] conventional free air thermal current | 400 A ( 40 °C ) power dissipation per fuse: 34 W |
| [Ithe] conventional enclosed thermal current | 400 A at 40 °C, Power dissipation per fuse: 34 W |
| Parameter | Value |
|---|---|
| Maximum power dissipation per pole | 53 W |
| Poles description | 1 x 3P switchable |
| Rated duty | Uninterrupted |
| IK degree of protection | IK07 conforming to EN 50102 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Mounting mode | Fixed |
| Mounting support | Busbars |
| Mounting location | One above the other |
| Mounting position | Vertical |
| Connections - terminals | Screw connection downstream M12 400 A Direct connection upstream 400 A 185 mm |
| Pollution degree | 3 conforming to IEC 60947 |
| Electrical shock protection class | Class II front face |
| Depth | 190 mm |
| Width | 100 mm |
| Height | 741 mm |
| Electrical durability | AC-21B: 200 cycles 690 V AC 50/60 Hz AC-22B: 200 cycles 500 V AC 50/60 Hz AC-23B: 200 cycles 415 V AC 50/60 Hz |
| Mechanical durability | 800 cycles |
| Standards | EN/IEC 60947-1 EN/IEC 60947-3 |
| Range | FuPacT |
| Fuse size | NH2 |
| Visible break | Yes |
| Contact operation | Single-break |
| Device short name | ISFL400 |
| Tightening torque | 40 N.m |
| Device application | Equipment protection, monitoring and control Distribution |
| Signalling function | Separated fuse monitor |
| Number of fuse carriers | 3 |
| Provision for padlocking | 3 padlocks |
| Suitability for isolation | Yes conforming to EN/IEC 60947-3 |
| Contact position indicator | Yes |
| Ambient air temperature for storage | -50...85 °C |
| Ambient air temperature for operation | -20...70 °C |
The LV480857 is a Schneider FuPacT ISFL single-pole fuse-switch disconnector rated for 400 A switching current at 690 V AC, with a 120 kA rated breaking capacity under IEC 60947-3. It provides a visible break and is certified for isolation, making it suitable for equipment protection and safe maintenance isolation in distribution panels.
No related articles