Legrand combination surge arrester type 1+2/Class I+II according to IEC/EN 61643-11, 4+0 circuit, for TN-S systems, nominal voltage 230/400 V AC, lightning impulse current Iimp (10/350) 12.5 kA/pole. Maximum continuous operating voltage (Uc) 320 V AC. For protection against overvoltages of downstream consumers caused by direct/indirect lightning strikes or switching operations. With plug-in protection module and status display: Green (SPD ready for use) Orange (replace plug-in protection module).
| Property | Value |
| Protection level: | 1.9 kV |
| Nominal discharge current (8/20): | 25 kA |
| Highest continuous voltage AC: | 320 V |
| Nominal voltage AC: | 400 V |
| Mounting type: | DIN rail TH35 |
| Size: | 4 TE |
| Signaling on the device: | optical |
| With remote signaling contact: | no |
| Test class type 2: | yes |
| Max. conductor cross-section flexible (fine-stranded): | 25 mm² |
| Max. Conductor cross-section rigid (single/multi-wire): | 35 mm² |
| Integrated backup fuse: | no |
| Protection class (IP): | IP20 |
| Network type IT: | no |
| Network type TN: | no |
| Network type TN-C: | no |
| Network type TN-CS: | no |
| Network type TN-S: | yes |
| Network type TT: | no |
| Network type other: | no |
| Number of conductors (without earth): | 4 |
