Caratteristiche del prodotto:
| Specifica | BR-25M 150 3+1 | BR-25M 275 3+1 | BR-25M 320 3+1 | |
| SPD classification according to EN61643-11 | Type 1 + 2 + 3 | Type 1 + 2 + 3 | Type 1 + 2 + 3 | |
| SPD classification according to IEC61643-11 | Class I + II + III | Class I + II + III | Class I + II + III | |
| Nominal operating voltage | Un | 120V/240V(50/60Hz) | 230V/400V(50/60Hz) | 250V/440V(50/60Hz) |
| Max. continuous operating a.c. voltage | Uc (L-N/N-PE) | 150V/255V(50/60Hz) | 275V/255V(50/60Hz) | 320V/255V(50/60Hz) |
| Corrente impulsiva di fulmine (10/350μs) | Iimp (L-N/N-PE) | 25kA/100kA | 25kA/100kA | 25kA/100kA |
| Total discharge current (10/350μs) | Itotal | 100kA | 100kA | 100kA |
| Corrente di scarica nominale (8/20μs) | In (L-N/N-PE) | 25kA/100kA | 25kA/100kA | 25kA/100kA |
| Massimo. corrente di scarica (8/20μs) | Imax (L-N/N-PE) | 120kA/200kA | 120kA/200kA | 120kA/200kA |
| Quantity of electric charge (L-N, N-PE) | Q | 12.5As, 50As | 12.5As, 50As | 12.5As, 50As |
| Specific energy (L-N, N-PE) | W/R | 156kJ/Ω, 2500kJ/Ω | 156kJ/Ω, 2500kJ/Ω | 156kJ/Ω, 2500kJ/Ω |
| Livello di protezione della tensione | Up (L-N/N-PE) | ≤0.8kV/≤1.5kV | ≤1.3kV/≤1.5kV | ≤1.3kV/≤1.5kV |
| Short-circuit current rating a.c. | Isccr (L-N/N-PE) | 25kA rms/100A rms | 25kA rms/100A rms | 25kA rms/100A rms |
| Max. backup fuse | 200A gG | 200A gG | 200A gG | |
| Temporary overvoltage TOV-withstand | UT(L-N) | 180V/5sec. | 335V/5sec. | 400V/5sec. |
| Temporary overvoltage TOV-safe failure | UT(L-N) | 230V/120min. | 440V/120min. | 520V/120min. |
| Temporary overvoltage TOV-withstand | UT(N-PE) | 1200V/200ms | 1200V/200ms | 1200V/200ms |
| Leakage current | Ipe | None | None | None |
| Tempo di risposta | tA | ≤25ns/≤100ns | ≤25ns/≤100ns | ≤25ns/≤100ns |
| Intervallo di temperatura operativa | Tu | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ |
| Operating state/fault indication | green/red | green/red | green/red | |
| Area della sezione trasversale (Min.) | 4mm² | 4mm² | 4mm² | |
| Area della sezione trasversale (max.) | 35 mm² | 35 mm² | 35 mm² | |
| Per il montaggio | Guida DIN da 35 mm | |||
| Materiale della custodia | Termoplastico UL94-V0 | |||
| Grado di protezione | IP20 | IP20 | IP20 | |
| Order Code | B17208 | B18163 | B17221 | |
| Order Code (With remote signaling) | B17209 | B18164 | B17222 | |
Caratteristiche:
The surge arrestors BR-25M meet the Class I and Class II requirement class according to IEC 61643-11.
Labeled connections.
Electrical surge protector work by diverting the extra energy in the electrical surge away from the main circuit, usually to “earth”.
Surge protection devices (SPD) which is connected at the main distribution board is constantly monitoring the supply voltage.
Applicazione:
These devices protect low-voltage consumer systems from overvoltage.
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