Schneider Electric LV431489
MPNLV431489
Obsolete
trip unit MicroLogic 5.2 A-Z for ComPact NSX 250 circuit breakers, electronic, rating 250 A, 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 |
|---|---|
| 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 | Trip unit |
| 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 9 settings |
| Instantaneous protection pick-up adjustment type ii | Adjustable |
| Long-time pick-up adjustment type ir (thermal protection) | Adjustable 9 settings |
| [Ue] rated operational voltage | 250/500 V AC 50/60 Hz |
All specifications
| Parameter | Value |
|---|---|
| Trip unit rated current | 250 A 104 °F (40 °C) |
| Network frequency | 50/60 Hz |
| Poles | 3P |
| Protected poles description | 3t |
| Communication of data | Protection and alarm settings Demand current and power Maximeters/minimeters Maintenance indicators Time-stamped histories and event tables Energy metering Instantaneous and demand values Power quality |
| Standards | EN/IEC 60947-2 UL 508 |
| Range | ComPact |
| Category | US10DE201101 |
| Thermal memory | 20 minutes before and after tripping |
| Trip unit name | MicroLogic 5.2 A-Z |
| Local signalling | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
| Device application | Special application |
| Trip unit technology | Electronic |
| Earth-leakage protection | Without |
| Electrical data recording | Maintenance indicators |
| Trip unit protection functions | LSI |
| Zone selective interlocking ZSI | With |
| Ambient air temperature for storage | -40...185 °F (-40...85 °C) |
| Ambient air temperature for operation | -13...158 °F (-25...70 °C) |
| [Tr] Long-Time protection delay adjustment range | 15...400 s 1.5 x Ir 0.35...11 s 7.2 x Ir 0.5...16 s 6 x Ir |
| [Ir] long-time protection pick-up adjustment range | 100...250 A |
| [tsd] short-time protection delay adjustment range | 0...0.4 s I²t=off 0.1...0.4 s I²t=on |
| [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
LV431489