Schneider Electric LV434557
MPNLV434557
Obsolete
LV434557 - TRIP UNIT by MERLIN GERIN
$856.42Ref. price · indicative, final on quote
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 |
|---|---|
| Network type | AC |
| Protection type | L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection |
| Range of product | ComPact NSX400...630 |
| Product or component type | Trip unit |
| Long-time protection delay adjustment type tr | Fixed |
| Short-time protection delay adjustment type tsd | Fixed |
| Short-time protection pick-up adjustment type isd | Adjustable 9 settings |
| Instantaneous protection pick-up adjustment type ii | Fixed |
| Long-time pick-up adjustment type ir (thermal protection) | Adjustable |
| [Ue] rated operational voltage | 690 V AC 50/60 Hz |
| Trip unit rated current | 400 A at 40 °C |
| Network frequency | 50/60 Hz |
All specifications
| Parameter | Value |
|---|---|
| Poles | 4P |
| Protected poles description | 4t 3t + N/2 3t |
| Standards | EN/IEC 60947-2 UL 508 |
| Range | ComPact |
| Thermal memory | 20 minutes before and after tripping |
| Trip unit name | MicroLogic 2.3 AB |
| Local signalling | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
| Neutral position | Left |
| Device application | Special application |
| Trip unit technology | Electronic |
| Earth-leakage protection | Without |
| Neutral protection settings | 0.5 x Ir (3t + N/2) 1 x Ir (4t) No protection (3t) |
| Trip unit protection functions | LSoI |
| Zone selective interlocking ZSI | Without |
| Ambient air temperature for storage | -50...85 °C |
| Ambient air temperature for operation | -25...70 °C |
| [Tr] Long-Time protection delay adjustment range | 15 s at 1.5 x Ir 0.35 s at 7.2 x Ir 0.5 s at 6 x Ir |
| [Ir] long-time protection pick-up adjustment range | 260...400 A |
| [tsd] short-time protection delay adjustment range | 0.02 s |
| [Isd] short-time protection pick-up adjustment range | 1.5...10 x Ir |
| [Ii] instantaneous protection pick-up adjustment range | 4800 A |
MPN
LV434557