Schneider Electric 31481
MPN31481
Active
trip unit - STR22SE OSN - 250 A - 4 poles 3d
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jun 2026
Specifications
| Parameter | Value |
|---|---|
| Product range | ComPact |
| Product range (series) | NR100...250 NS100...250 |
| Product/component type | Trip unit |
| Device application | Distribution |
| Parameter | Value |
|---|---|
| Network type (AC/DC) | AC |
| Network frequency | 50/60 Hz |
| Parameter | Value |
|---|---|
| Trip unit technology | Electronic |
| Parameter | Value |
|---|---|
| Operating ambient temperature | -25...70 °C |
| Storage ambient temperature | -50...85 °C |
| IP degree of protection | IP40 conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60947 |
| Parameter | Value |
|---|---|
| Standards | IEC 60947-2 |
| Parameter | Value |
|---|---|
| [Ir] long-time protection pick-up adjustment range | 0.25...0.63 x In |
MPN
31481
