| Manufacturer part number (MPN) | C25V35E250 |
| EAN / GTIN | 3606482001664 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Rated current | 250 A |
| Number of poles | 3P |
| Range | ComPacT |
| Product name | ComPacT NSX |
| Device short name | NSX250HB1 |
| Product or component type | Circuit breaker |
| Device application | Distribution |
| Poles description | 3P |
| Protected poles description | 3D |
| [In] rated current | 250 A at 40 °C |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Network type | AC |
| Network frequency | 50/60 Hz |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Utilisation category | Category A |
| Breaking capacity | 85 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2; 80 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2; 75 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| Breaking capacity code | HB1 75 kA 690 V AC |
| Trip unit name | MicroLogic 5.2 E |
| Trip unit technology | Electronic |
| Trip unit protection functions | LSI |
| Control type | Toggle |
| Circuit breaker mounting mode | Fixed |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| [Ics] rated service breaking capacity | 85 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2; 80 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2; 75 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 |
| Mechanical durability | 20000 cycles |
| Electrical durability | 20000 cycles at 440 V In/2; 10000 cycles at 440 V In; 10000 cycles at 690 V In/2; 5000 cycles at 690 V In |
| Power dissipation per pole | 17.6 W |
| Mounting support | Backplate |
| Mounting position | Horizontal and vertical; Flat on the back |
| Upside connection | Front |
| Downside connection | Front |
| Connection pitch | 35 mm |
| Protection type | L : for overload protection (long time); S : for short time short-circuit protection; I : for instantaneous short-circuit protection |
| Trip unit rating | 250 A at 40 °C |
| Long-time pick-up adjustment type Ir (thermal protection) | Adjustable 9 settings |
| [Ir] long-time protection pick-up adjustment range | 100...250 A |
| Long-time protection delay adjustment type tr | Adjustable |
| [tr] long-time delay adjustment range | 15…400 s at 1.5 x Ir; 0.5…16 s at 6 x Ir; 0.35…11 s at 7.2 x Ir |
| Thermal memory | 20 minutes before and after tripping |
| Short-time protection pick-up adjustment type Isd | Adjustable 9 settings |
| [Isd] Short-time protection pick-up adjustment range | 1.5...10 x Ir |
| Short-time protection delay adjustment type tsd | Adjustable 5 settings |
| [tsd] short-time delay adjustment range | 0…0.4 s I²t=off; 0.1…0.4 s I²t=on |
| Instantaneous protection pick-up adjustment type Ii | Adjustable |
| [Ii] instantaneous protection pick-up adjustment range | 1.5...12 x In |
| Earth-leakage protection | Without |
| Zone selective interlocking ZSI | With |
| Number of slots | 5 slot(s) |
| Local signalling | Flashing LED (green) for ready to operate; LED 105 % Ir (red) for overload; LED 90 % Ir (orange) for overload |
| Display type | LCD display |
| Type of measurement | Energy meter |
| Communication of data | Maximeters/minimeters; Power quality; Maintenance indicators; Demand current and power; Instantaneous and demand values; Protection and alarm settings; Time-stamped histories and event tables; Energy metering |
| Width (W) | 105 mm |
| Height (H) | 161 mm |
| Depth (D) | 86 mm |
| Product weight | 2.4 kg |
| Standards | EN/IEC 60947-2 |
| Overvoltage category | III |
| Electrical shock protection class | Class II on front face |
| 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 | -40…85 °C |
| Relative humidity | 0…95 % |
| Operating altitude | 0...2000 m without derating; 2000 m...5000 m with derating |
| Warranty (in months) | 18 |