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Circuit breaker ComPact NSX250B, 25kA at 415VAC, MicroLogic 2.2 trip unit 250A, 3 poles 3d - LV431140
LV431140
Obsolete product, here is the proposed substitution for the reference LV431140 : C25B32D250
Technical informations
| Range: | ComPact |
|---|---|
| Product name: | ComPact NSX |
| Range of product: | ComPact NSX100...250 |
| Device short name: | NSX250B |
| Product or component type: | Circuit breaker |
| Device application: | Distribution |
| Poles description: | 3P |
| Protected poles description: | 3t |
| [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: | 15 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-220 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-225 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-240 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
| Breaking capacity code: | B 25 kA 415 V AC |
| Trip unit name: | Micrologic 2.2 |
| Trip unit technology: | Electronic |
| Trip unit protection functions: | LSoI |
| Control type: | Toggle |
| 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: | 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-225 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-240 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-215 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 |
| Mechanical durability: | 20000 cycles |
| Electrical durability: | 5000 cycles at 690 V In10000 cycles at 690 V In/210000 cycles at 440 V In20000 cycles at 440 V In/2 |
| Mounting support: | Backplate |
| Upside connection: | Front |
| Downside connection: | Front |
| Connection pitch: | 35 mm |
| Protection type: | L |
| Trip unit rating: | 250 A at 40 °C |
| Long time pick-up adjustment type Ir: | Adjustable 9 settings |
| Long time pick-up adjustment range: | 100...250 A |
| Long time delay adjustment type: | Fixed |
| [tr] long-time delay adjustment range: | 11 s at 7.2 x Ir16 s at 6 x Ir400 s at 1.5 x Ir |
| Thermal memory: | 20 minutes before and after tripping |
| Short-time pick-up adjustment type Isd: | Adjustable 9 settings |
| [Isd] short-time pick-up adjustment range: | 1.5...10 x Ir |
| Short-time delay adjustment type: | Fixed |
| Instantaneous pick-up adjustment type Ii: | Fixed |
| Instantaneous pick-up adjustment range: | 3000 A |
| Earth-leakage protection: | Without |
| Zone selective interlocking ZSI: | Without |
| Number of slots: | 5 slot(s) |
| Local signalling: | Flashing LED (green) for ready to operateLED 105 % Ir (red) for overloadLED 90 % Ir (orange) for overload |
| Width: | 105 mm |
| Height: | 161 mm |
| Depth: | 86 mm |
| Net weight: | 2.4 kg |
| Compatibility code: | NSX250 |
In short
Reference LV431140
Product Name Circuit breaker ComPact NSX250B, 25kA at 415VAC, MicroLogic 2.2 trip unit 250A, 3 poles 3d - LV431140
Range Compact
Device function Distribution
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