Schneider Electric LV431146
MPNLV431146
Obsolete
Circuit breaker, ComPact NSX250B, 25kA/415VAC, MicroLogic 5.2A trip unit 160A, 3 poles 3d
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Control type | Toggle |
| Display type | LCD display |
| Network type | AC |
| Protection type | L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection |
| Range of product | ComPact NSX100...250 |
| Type of measurement | Ammeter |
| Product or component type | Circuit breaker |
| Long-time protection delay adjustment type tr | Adjustable |
| Short-time protection delay adjustment type tsd | Adjustable |
| Short-time protection pick-up adjustment type isd | Adjustable |
| Instantaneous protection pick-up adjustment type ii | Adjustable |
| Long-time pick-up adjustment type ir (thermal protection) | Adjustable |
All specifications
| Parameter | Value |
|---|---|
| Voltage | 800 V AC 50/60 Hz |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| Current | 160 A at 40 °C |
| [Ics] rated service short-circuit breaking capacity | 20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 |
| [Icu] rated ultimate short-circuit breaking capacity | 15 kA Icu at 500 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 25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 |
| Network frequency | 50/60 Hz |
| Poles | 3P |
| Protected poles description | 3t |
| Utilisation category | Category A |
| IK degree of protection | IK07 conforming to IEC 62262 |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Communication of data | Time-stamped histories and event tables Instantaneous and demand values Maintenance indicators Protection and alarm settings Power quality Demand current and power Maximeters/minimeters Energy metering |
| Mounting support | Backplate |
| Circuit breaker mounting mode | Fixed |
| Connection pitch | 35 mm |
| Upside connection | Front |
| Downside connection | Front |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Relative humidity | 0...95 % |
| Operating altitude | 0...2000 m without derating 2000 m...5000 m with derating |
| Electrical shock protection class | Class II |
| Depth | 86 mm |
| Width | 105 mm |
| Height | 161 mm |
| Electrical durability | 5000 cycles at 690 V In 10000 cycles at 690 V In/2 10000 cycles at 440 V In 20000 cycles at 440 V In/2 |
| Mechanical durability | 20000 cycles |
| Standards | EN/IEC 60947 |
| Range | ComPact |
| Thermal memory | 20 minutes before and after tripping |
| Trip unit name | MicroLogic 5.2 A |
| Local signalling | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
| Trip unit rating | 160 A at 40 °C |
| Device short name | NSX250B |
| Safety category | B 25 kA 415 V AC |
| Device application | Distribution |
| Overvoltage category | Class II |
| Trip unit technology | Electronic |
| Earth-leakage protection | Without |
| Suitability for isolation | Yes conforming to EN/IEC 60947-2 |
| Trip unit protection functions | LSI |
| Zone selective interlocking ZSI | With |
| Ambient air temperature for storage | -40...85 °C |
| Ambient air temperature for operation | -25...70 °C |
| Number of slots for electrical auxiliaries | 5 slot(s) |
| [Tr] Long-Time protection delay adjustment range | 15...400 s at 1.5 x Ir 0.35...11 s at 7.2 x Ir 0.5...16 s at 6 x Ir |
| [Ir] long-time protection pick-up adjustment range | 63...160 A |
| [tsd] short-time protection delay adjustment range | 0...0.4 s |
| [Isd] short-time protection pick-up adjustment range | 1.5...10 x Ir |
| [Ii] instantaneous protection pick-up adjustment range | 1.5...12 x In |
MPN
LV431146