Product characteristics:
| Specification | BR-25GR 150 1P+N | BR-25GR 275 1P+N | BR-25GR 350 1P+N | |
| 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 (L-N/N-PE) | 150V/255V(50/60Hz) | 275V/255V(50/60Hz) | 350V/255V(50/60Hz) |
| Lightning impulse current (10/350μs) | Iimp (L-N/N-PE) | 25kA/50kA | 25kA/50kA | 25kA/50kA |
| Nominal discharge current (8/20μs) | In (L-N/N-PE) | 25kA/50kA | 25kA/50kA | 25kA/50kA |
| Max. discharge current (8/20μs) | Imax (L-N/N-PE) | 100kA/100kA | 100kA/100kA | 100kA/100kA |
| Quantity of electric charge (L-N, N-PE) | Q | 12.5As, 25As | 12.5As, 25As | 12.5As, 25As |
| Specific energy (L-N, N-PE) | W/R | 156kJ/Ω, 625kJ/Ω | 156kJ/Ω, 625kJ/Ω | 156kJ/Ω, 625kJ/Ω |
| Voltage protection level | Up (L-N/N-PE) | ≤1.5kV/≤1.5kV | ≤1.5kV/≤1.5kV | ≤1.5kV/≤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 | 315A gG | 315A gG | 315A gG | |
| Temporary overvoltage TOV-withstand | UT (L-N) | 230V/120min. | 440V/120min. | 580V/120min. |
| Temporary overvoltage TOV-withstand | UT (N-PE) | 1200V/200ms | 1200V/200ms | 1200V/200ms |
| Response time | tA | ≤100ns | ≤100ns | ≤100ns |
| Operating temperature range | Tu | -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 | |
| For mounting on | 35mm Din rail | |||
| Enclosure material | Thermoplastic UL94-V0 | |||
| Degree of protection | IP20 | IP20 | IP20 | |
| Order Code | B17130 | B17143 | B17156 | |
| Order Code (With remote signaling) | B17131 | B17144 | B17157 | |
Features:
• This is a kind of fine quality surge protecting device, fire proof and corrosion-resistant. Quickly react speed with strong bearing capacity.
• Simple and easy to use. More reliable and more safety.
• Working status indicating window, red means failure, which can effectively react the working status in time.
• Surge protect, prevents home electric network receive excessive impact while lightening.
• Detachable 35mm Din rail installation design.
Application:
• Protects electrical installations against direct lightning strokes, and discharge the back-current from lightning spreading from the earth conductor to the network conductors.
• Used to AC power system, power distribution system, terminal devices, electronic equipment, buildings, industrial enterprises and Medical institutes etc.
Installation:
Type 1 or Type 1+2 SPD (Iimp ≥ 12.5 kA) compulsory at the installation source (main distribution board in secondary buildings).
Installations more than 10 m high (apartment buildings, office buildings, hotels, etc.): type 2 SPD recommended for protecting private areas and floor distributors (communal areas) in addition to a type 1 or type 1+2 SPDs.
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