Technology Characteristic:
| Spezifikation | BR-50GR 150 3P | BR-50GR 275 3P | BR-50GR 350 3P | |
| SPD-Klassifizierung gemäß EN61643-11 | Type 1 + Type 2 | Type 1 + Type 2 | Type 1 + Type 2 | |
| SPD-Klassifizierung gemäß IEC61643-11 | Class I + Class II | Class I + Class II | Class I + Class II | |
| Nominal operating voltage | Un | 120V/240V(50/60Hz) | 230V/400V(50/60Hz) | 250V/440V(50/60Hz) |
| Max. Dauerbetrieb mit Wechselstrom Stromspannung | Uc | 150V(50/60Hz) | 275V(50/60Hz) | 350V(50/60Hz) |
| Lightning impulse current (10/350μs) | Iimp | 50kA | 50kA | 50kA |
| Nominal discharge current (8/20μs) | In | 50kA | 50kA | 50kA |
| Max. discharge current (8/20μs) | Imax | 160kA | 160kA | 160kA |
| Quantity of electric charge | Q | 25As | 25As | 25As |
| Specific energy | W/R | 625kJ/Ω | 625kJ/Ω | 625kJ/Ω |
| Spannungsschutzniveau | Hoch | ≤1.5kV | ≤1.5kV | ≤1.5kV |
| Short-circuit current rating a.c. | Isccr | 25kA rms | 25kA rms | 25kA rms |
| Max. backup fuse | 350A gG | 350A gG | 350A gG | |
| Temporary overvoltage TOV-withstand | UT | 230V/120min. | 440V/120min. | 580V/120min. |
| Ansprechzeit | tA | ≤100ns | ≤100ns | ≤100ns |
| Betriebstemperaturbereich | Di | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ |
| Operating state/fault indication | green/red | green/red | green/red | |
| Cross-section area (Min.) | 4mm² | 4mm² | 4mm² | |
| Cross-section area (Max.) | 35mm² | 35mm² | 35mm² | |
| Zur Montage | 35mm Din rail | |||
| Gehäusematerial | Thermoplast UL94-V0 | |||
| Schutzart | IP20 | IP20 | IP20 | |
| Bestellcode | B17160 | B18137 | B17186 | |
| Order Code (With remote signaling) | B17161 | B18138 | B17187 | |
Merkmale:
Endurable, sustains multiple strikes.
Protection class: Type 1+2, Class I +Class II.
BR-50GR 3P is suitable for TN-C system.
3 poles 50kA Type 1 lightning arrester.
limp: 50KA on 10/350 µs current impulse.
Imax: 160kA/Phase (8/20μs waveform).
With indication window and remote control contacts.
35mm DIN-rail.
BR-50GR series are Type 1 surge protective devices designed to discharge high current surges without any damage to the back-up electrical equipment.
Anwendung:
• Used in the lightning protection zones concept at boundary LPZ0B-LPZ1.
• For protecting low-voltage consumer’s installations against indirect lightning discharges.
• Protect electrical and electronic equipment against transients, originating from lightning, switching of transformers, lighting, and motors.
Installation:
Better to under the guidance of professional electrician.
Green tab, normal work status, Red tab, failure status, need to be replaced rapidly.
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