Circuit breaker ComPacT NSX250B, 25kA at 415VAC, TMD trip unit 250A, 3 poles 3d
| Specifications |
| Range | ComPacT NSX new generation |
| Country of Origin (Estimated) | India |
| Warranty | 12 months |
| CO/CQ | Yes (if) |
| Product name & Device short name | ComPacT NSX250B |
| Device application | Distribution |
| Poles description | 3P /4P |
| Protected poles description | 3P 3d /4P 3d |
| [In] rated current | 250 A at 40 °C |
| Network type | AC /DC |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Trip unit name | TM-D |
| Trip unit technology | Thermal-magnetic |
| Long-time pick-up adjustment type Ir (thermal protection) | Adjustable |
| Trip unit rating | 250 A |
| [Ir] long-time protection pick-up adjustment range | 0.7...1 x In |
| [Ui] rated insulation voltage | 800 V AC 50/60 Hz |
| Connection pitch | 35 mm |
| Breaking capacity [Icu] | 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Ics] rated service breaking capacity | 25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 |
| Mechanical durability | 20,000 cycles |
| Electrical durability | 10,000 cycles at 440 V In |
| Protection type | L : for overload protection (thermal)
I : for short-circuit protection (magnetic) |
Dimensions (mm)
(WxHxD) | 3P /105x161x86 mm
4P/140x161x86 mm |
| Net weight (Kg) | 3P/2.4Kg
4P/2.8 Kg |
| Door cutout Dimensions (XxY) | 3P/96x78 mm
4P/96x78 mm |
