ComPact NSX100...250
Schneider Electric catalog image for this SKU; may represent the product family.
TRIP UNIT
trip unit MicroLogic 2.2 for ComPact NSX 250 circuit breakers, electronic, rating 250A, 4 poles 4d
SKU LV431480Schneider Electric LV431480 is a trip unit in the ComPact NSX100...250 range. Key specifications include poles: 4P; trip unit: MicroLogic 2.2; operational voltage: 690 V AC 50/60 Hz.
4PPoles
MicroLogic 2.2Trip unit
690 V AC 50/60 HzOperational voltage
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | LV431480 |
|---|---|
| Range | ComPact |
| Range of product | ComPact NSX100...250 |
| Product or component type | Trip unit |
| Trip unit name | MicroLogic 2.2 |
| Trip unit technology | Electronic |
| Range compatibility | ComPact NSX250 |
| Device application | Distribution |
| Number of poles | 4P |
| Protected poles description | 4t 3t + N/2 3t |
| Neutral position | Left |
| Trip unit protection functions | LSoI |
| Protection type | L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection |
| Trip unit 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 |
| 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 | Fixed |
| [tr] long-time protection delay adjustment range | 11 s at 7.2 x Ir 16 s at 6 x Ir 400 s at 1.5 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 | Fixed |
| [tsd] Short-time protection delay adjustment range | 0.02 s |
| Instantaneous protection pick-up adjustment type Ii | Fixed |
| [Ii] instantaneous protection pick-up adjustment range | 3000 A |
| Earth-leakage protection | Without |
| Neutral protection settings | 0.5 x Ir (3t + N/2) 1 x Ir (4t) No protection (3t) |
| Zone selective interlocking ZSI | Without |
| Local signalling | Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload |
| Standards | UL 508 EN/IEC 60947-2 |
| Product certifications | CCC Marine EAC |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -50…85 °C |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.