| Manufacturer part number (MPN) | 2CSF204592R4400 |
| EAN / GTIN | 8012542776932 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Rated current | 40 A |
| Mounting method | DIN rail |
| Voltage type | AC |
| Built-in depth | 69 mm |
| Rated voltage | 400 V |
| Rated insulation voltage Ui | 500 V |
| Number of poles | 4 |
| Rated fault current | 0.5 A |
| Leakage current type | B |
| Selective protection | No |
| Short-circuit breaking capacity (Icw) | 1 kA |
| Surge current capacity | 3 kA |
| Pollution degree | 3 |
| Width in number of modular spacings | 4 |
| Short-time delayed tripping | Yes |
| RAL-number (similar) | 7035 |
| Explosion-proof | No |
| Power loss | 7.12 W |
| Frequency | 50/60 Hz |
| Degree of protection (IP) | IP20 |
| Connectable conductor cross section solid-core | 25 mm² |
| Connectable conductor cross section multi-wired | 0–25 mm² |
| With interlocking device | Yes |
| Ambient temperature during operating | -25–65 °C |
| Additional equipment possible | Yes |
| Device width | 70 mm |
| Device height | 85 mm |
| Device depth | 69 mm |
| Rated impulse withstand voltage Uimp | 4 kV |
| Country of origin | Italy |