| Manufacturer part number (MPN) | C50F4TM400D3 |
| EAN / GTIN | 3606481988638 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Package quantity | 8 pcs |
| Rated current | 400 A |
| Number of poles | 4P |
| Range | ComPacT |
| Product name | ComPacT NSX DC EP |
| Device short name | NSX500 DC EP |
| Product or component type | Circuit breaker |
| Device application | Special application |
| Poles description | 4P |
| Protected poles description | 4D |
| [In] rated current | 400 A at 40 °C |
| [Ue] rated operational voltage | 1500 V DC |
| Network type | DC |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Utilisation category | Category A |
| Breaking capacity | 50 kA Icu at 1500 V DC 4 poles in series conforming to IEC 60947-2; 50 kA Icu at 1100 V DC 4 poles in series conforming to IEC 60947-2 |
| Breaking capacity code | F 50 kA 1500 V DC |
| Trip unit name | TM-DC |
| Trip unit technology | Thermal-magnetic |
| Trip unit protection functions | LI |
| Control type | Toggle |
| Circuit breaker mounting mode | Fixed |
| [Ui] rated insulation voltage | 1600 V DC conforming to IEC 60947-2 |
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 20 kA at 1500 V DC conforming to IEC 60947-2; 50 kA at 1100 V DC conforming to IEC 60947-2 |
| Mechanical durability | 8000 cycles |
| Electrical durability | 3000 cycles at 1500 V In |
| Mounting support | Backplate |
| Mounting position | Horizontal and vertical; Flat on the back |
| Upside connection | Front |
| Downside connection | Front |
| Protection type | L : for overload protection (thermal); I : for short-circuit protection (magnetic) |
| Trip unit rating | 400 A at 40 °C |
| Long-time pick-up adjustment type Ir (thermal protection) | Adjustable |
| [Ir] long-time protection pick-up adjustment range | 0.7...1 x In |
| Long-time protection delay adjustment type tr | Fixed |
| Instantaneous protection pick-up adjustment type Ii | Adjustable |
| [Ii] instantaneous protection pick-up adjustment range | 5...10 x In |
| Width (W) | 185 mm |
| Height (H) | 255 mm |
| Depth (D) | 110 mm |
| Product weight | 8.1 kg |
| Standards | EN/IEC 60947-2 |
| Pollution degree | 3 conforming to IEC 60664-1 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| IK degree of protection | IK07 conforming to IEC 62262 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -50…85 °C |
| Relative humidity | 0…95 % |
| Operating altitude | 0...2000 m without derating; 2000 m...5000 m with derating |
| Warranty (in months) | 18 |