Schneider Electric 49550
MPN49550
Obsolete
Switch-disconnector fuse body INFD 3 poles 3F - DIN - 250 A- lateral handle
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product name | Fupact INF |
| Product / component type | Switch-disconnector-fuse |
| Fuse type | DIN |
| Poles | 3P |
| Application | Protection |
| Product range / family | FuPact |
| Product range | INF200...800 |
Ratings
| Parameter | Value |
|---|---|
| Rated operational voltage (Ue) | 690 V AC 50/60 Hz 1000 V AC 50/60 Hz AC-20 1000 V DC DC-20 750 V DC |
| Rated operational current (Ie) | AC-22A: 250 A at 220/240 V AC 50/60 Hz AC-22A: 250 A at 380/415 V AC 50/60 Hz AC-22A: 250 A at 440/480 V AC 50/60 Hz AC-22A: 250 A at 500/525 V AC 50/60 Hz AC-22A: 250 A at 660/690 V AC 50/60 Hz AC-23A: 250 A at 220/240 V AC 50/60 Hz AC-23A: 250 A at 380/415 V AC 50/60 Hz AC-23A: 250 A at 440/480 V AC 50/60 Hz AC-23A: 250 A at 500/525 V AC 50/60 Hz AC-23A: 250 A at 660/690 V AC 50/60 Hz DC-22A: 250 A at 125 V DC (2 poles in series) DC-22A: 250 A at 250 V DC (2 poles in series) DC-22A: 250 A at 500 V DC (3 poles in series) DC-22A: 250 A at 750 V DC (3 poles in series) DC-23A: 250 A at 125 V DC (2 poles in series) DC-23A: 250 A at 250 V DC (2 poles in series) DC-23A: 250 A at 500 V DC (3 poles in series) DC-23A: 250 A at 750 V DC (3 poles in series) |
| Rated insulation voltage (Ui) | 1000 V AC 50/60 Hz 1000 V DC |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Conventional free-air thermal current (Ith) | 161 A ( 70 °C ) horizontal 172 A ( 65 °C ) horizontal 175 A ( 70 °C ) vertical 184 A ( 60 °C ) horizontal 187 A ( 65 °C ) vertical 195 A ( 55 °C ) horizontal 200 A ( 60 °C ) vertical 207 A ( 50 °C ) horizontal 212 A ( 55 °C ) vertical 218 A ( 45 °C ) horizontal 225 A ( 50 °C ) vertical 230 A ( 40 °C ) horizontal 237 A ( 45 °C ) vertical 242 A ( 35 °C ) horizontal 250 A ( 40 °C ) power dissipation per fuse: 32 W 250 A ( 40 °C ) vertical |
| Conventional enclosed thermal current (Ithe) | 230 A at 40 °C, Power dissipation per fuse: 27 W (600 mm x 350 mm x 300 mm) 250 A at 40 °C, Power dissipation per fuse: 23 W (600 mm x 350 mm x 300 mm) |
| Network frequency | 50/60 Hz |
| Network type (AC/DC) | DC AC |
| Maximum power | 132 kW at 380/400 V AC 50/60 Hz 140 kW at 415 V AC 50/60 Hz 170 kW at 500/525 V AC 50/60 Hz 230 kW at 660/690 V AC 50/60 Hz 70 kW at 220/240 V AC 50/60 Hz |
Protection & Breaking
| Parameter | Value |
|---|---|
| Suitable for isolation | Yes |
| Contact operation | Double-break |
| Rated short-time withstand current (Icw) | 8 kA for 1 s 1.5 kA for 30 s 1.8 kA for 20 s 4.65 kA for 3 s |
| Rated making & breaking capacity (Im) | Icm 105 kA at 690 V conforming to DIN (with fuse) Icm 176 kA at 415 V conforming to BS (with fuse) Icm 220 kA at 500 V conforming to DIN (with fuse) Icn 100 kA at 500 V conforming to DIN (with fuse) Icn 50 kA at 690 V conforming to DIN (with fuse) Icn 80 kA at 415 V conforming to BS (with fuse) Icm 35 kA at 690 V (without fuse) Icm 40 kA at 415 V (without fuse) Icm 40 kA at 500 V (without fuse) |
| Contact position indicator | Yes |
| Protected poles | 3f |
Performance
| Parameter | Value |
|---|---|
| Mechanical durability (cycles) | 8000 cycles |
| Electrical durability (cycles) | AC-22A: 1000 cycles 500 V AC 50/60 Hz AC-22A: 1000 cycles 690 V AC 50/60 Hz AC-23A: 1000 cycles 500 V AC 50/60 Hz AC-23A: 1000 cycles 690 V AC 50/60 Hz |
| Control type | Rotary handle |
| Rated duty | Uninterrupted |
| Intermittent duty class | Class 120 - 60 % |
Environmental
| Parameter | Value |
|---|---|
| Operating ambient temperature | -25...70 °C |
| Storage ambient temperature | -50...85 °C |
| IP protection rating | IP20 conforming to IEC 60529 IP65 conforming to IEC 60529 |
| IK impact protection rating | IK07 conforming to EN 50102 IK10 conforming to EN 50102 |
| Pollution degree | 3 |
Mechanical
| Parameter | Value |
|---|---|
| Mounting support | Mounting plate |
| Fuse size | NH0 NH1 |
| Width | 278 mm |
| Depth | 199 mm |
| Height | 162 mm |
| Tightening torque | 30...44 N.m for terminal |
| Rotary handle mounting style | Extended |
Approvals
| Parameter | Value |
|---|---|
| Standards / approvals | EN/IEC 60947-3 EN/IEC 60947-1 EN/IEC 60947-5 EN/IEC 60269-1 EN/IEC 60269-4 |
Specifications
| Parameter | Value |
|---|---|
| Device short name | INFD250 |
MPN
49550