Product characteristics:
| Specification | BR-50GR 150 1P | BR-50GR 275 1P | BR-50GR 320 1P | |
| SPD classification according to EN61643-11 | Type 1 + Type 2 | Type 1 + Type 2 | Type 1 + Type 2 | |
| SPD classification according to IEC61643-11 | Class I + Class II | Class I + Class II | Class I + Class II | |
| Nominal operating voltage | Un | 120V(50/60Hz) | 230V(50/60Hz) | 250V(50/60Hz) |
| Max. continuous operating a.c. voltage | Uc | 150V(50/60Hz) | 275V(50/60Hz) | 320V(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 | 200kA | 200kA | 200kA |
| Quantity of electric charge | Q | 25As | 25As | 25As |
| Specific energy | W/R | 625kJ/Ω | 625kJ/Ω | 625kJ/Ω |
| Voltage protection level | Up | ≤2.3kV | ≤2.3kV | ≤2.3kV |
| 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 | 250V/120min. | 440V/120min. | 550V/120min. |
| Response time | tA | ≤100ns | ≤100ns | ≤100ns |
| Operating temperature range | Tu | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ |
| Cross-section area (Min.) | 4mm² | 4mm² | 4mm² | |
| Cross-section area (Max.) | 35mm² | 35mm² | 35mm² | |
| For mounting on | 35mm Din rail | |||
| Enclosure material | Thermoplastic UL94-V0 | |||
| Degree of protection | IP20 | IP20 | IP20 | |
| Order Code | B17164 | B18117 | B17190 | |
| Order Code (With remote signaling) | B17165 | B18118 | B17191 | |
Features:
Endurable, sustains multiple strikes.
BR-50GR 1P can be assembled to form 2P, 3P and 4P with BR-100NPE can form 1P+N and 3P+N.
Red: functionless, immediate replacement required.
Connection capacity: rigid conductor 35mm².
Equipped with a thermal disconnection device and provide real-time fault indicators thus allowing complete operational safety.
Easy to install in any standardized distribution pane or control cabinets.
Application:
Used in the zones concept at boundary LPZ0B-LPZ1.
Widely used to industry and automation, commercial and residential installations, telecom & IT & data centers, water treatment, smart grid & LV metering and wind.
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