Surge arrester SPDX3 T1 3L, Iimp/Pol: 25kA, Type: T1, Number of outer conductors: 3L, Power supply system IEC: TNC, Rated voltage (Uc) : 350VAC, Protection mode: CT1, Nominal discharge current/outer conductor (In/Pol) : 25kA, Lightning impulse current/outer conductor (Iimp/Pol) : 25kA, Discharge current (Itotal) : 75kA, Operating frequency (fn) : 50/60Hz, Protection level Up (LN/L-PE/N-PE) : 1.5 kV, Short-circuit strength (Isccr) : 50kA, Standard tested: EN/IEC 61643-11, Width: 6TE (108mm), Protection class: IP20 Signal contact for Remote indication: Yes, Green signal: protection unit OK, Red signal: replace protection unit, Operating temperature: -10 °C - +40 °C, Storage temperature: -20 °C - +70 °C, Terminals (top): screw connection, Terminals (bottom): screw connection, Fastening: DIN rail (35mm), Connection cross-sections: : 16 - 35mm, Note: Surge arrester type 1 for protecting installations with a high risk of lightning, Note: Replaceable protection unit (module: 412284), Note: The SPD must be protected with an 80A compact circuit breaker
| Property | Value |
| Protection level: | 1.5 kV |
| Nominal discharge current (8/20): | 25 kA |
| Highest continuous voltage AC: | 350 V |
| Nominal voltage AC: | 400 V |
| Mounting type: | DIN rail TH35 |
| Size: | 6 TE |
| Signaling on the device: | optical |
| With remote signaling contact: | yes |
| Test class type 2: | no |
| 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: | yes |
| Network type TN-CS: | no |
| Network type TN-S: | no |
| Network type TT: | no |
| Network type other: | no |
| Number of conductors (without earth): | 3 |
