| Part Number | A9N15656 |
| Product Type | Fuse-Disconnector |
| Series | Acti 9 STI |
| Device Short Name | STI |
| Poles Description | 3P |
| Rated Current | 25 A |
| Fuse Curve | gG, aM |
| Fuse Size | 10.3 x 38 mm |
| Rated Operational Voltage (Ue) | 500 V AC |
| Rated Insulation Voltage (Ui) | 500 V AC 50/60 Hz |
| Mounting Mode | Clip-on |
| Mounting Support | DIN Rail |
| 9 mm Pitches | 6 |
| Color | White |
| Height | 81 mm |
| Width | 54 mm |
| Depth | 75 mm |
| Terminal Type | Screw Clamp Terminals |
| Terminal Capacity (Rigid, 1 Cable) | 0.75 - 10 mm² |
| Terminal Capacity (Flexible, 1 Cable) | 0.5 - 6 mm² |
| Terminal Capacity (Rigid, 2 Cables) | 0.75 - 4 mm² |
| Terminal Capacity (Flexible, 2 Cables) | 0.5 - 6 mm² |
| Wire Stripping Length | 12 mm |
| Tightening Torque | 2 N·m |
| Standards | IEC EN 60947-3, IEC 60269-1/2 |
| IP Degree of Protection | IP20 |
| Pollution Degree | 3 |
| Ambient Air Temperature for Operation | -20 to 60 °C |
| Ambient Air Temperature for Storage | -40 to 80 °C |
| Packaging Made with Recycled Cardboard | Yes (Minimum 70%, 50% in US) |
| Take-back Program | No |
| Environmental Commitment | Schneider Electric aims to achieve Net Zero status by 2050 through supply chain partnerships, lower impact materials, and circularity via the ongoing “Use Better, Use Longer, Use Again” campaign to extend product lifetimes and recyclability. |
| Warranty Period | 12 Months |