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LV431490 — This Micrologic 5.2 A (Ammeter) is a 3 poles 3d electronic trip unit used on Compact NSX 250 circuit breakers. This 250A rating electronic trip unit is an optimum choice for…
Sensors & automationPart number: LV431490
LV431490 — This Micrologic 5.2 A (Ammeter) is a 3 poles 3d electronic trip unit used on Compact NSX 250 circuit breakers. This 250A rating electronic trip unit is an optimum choice for… — Schneider Electric reference LV431490. Request a quotation including shipping to your destination. Send equipment details and certificate requirements so we can confirm the exact specification, fitment, availability and warranty terms before ordering.
Looking for Schneider Electric LV431490? This catalogue reference is listed under Sensors & automation. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | Schneider Electric |
|---|---|
| Part number | LV431490 |
| Category | Sensors & automation |
| Range | ComPact |
| Range of Product | ComPact NSX100...250 |
| Product or Component Type | Trip unit |
| Range Compatibility | ComPact NSX250 |
| Number of poles | 3P |
| Protected poles description | 3t |
| Trip unit protection functions | LSI |
| Protection type | L : for overload protection (long time) S : for short time short-circuit protection I : for instantaneous short-circuit protection |
| Trip unit rated current | 250 A 104 °F (40 °C) |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Network Frequency | 50/60 Hz |
| 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 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 |
| 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 |
| [tsd] Short-time protection 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 |
| 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 |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
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