Product characteristics:
| Specification | BR-20 150 1P | BR-20 275 1P | BR-20 320 1P | BR-20 385 1P | BR-20 440 1P | |
| SPD classification according to EN61643-11 | Type 2 | Type 2 | Type 2 | Type 2 | Type 2 | |
| SPD classification according to IEC61643-11 | Class II | Class II | Class II | Class II | Class II | |
| Max. continuous operating a.c. voltage | Uc | 150V | 275V | 320V | 385V | 440V |
| Nominal discharge current (8/20μs) | In | 10kA | 10kA | 10kA | 10kA | 10kA |
| Max. discharge current (8/20μs) | Imax | 20kA | 20kA | 20kA | 20kA | 20kA |
| Voltage protection level | Up | ≤0.8kV | ≤1.3kV | ≤1.5kV | ≤1.8kV | ≤2.0kV |
| Voltage protection level 5kA | Up | ≤0.6kV | ≤1kV | ≤1.2kV | ≤1.4kV | ≤1.6kV |
| Max. backup fuse | 63A gG | 63A gG | 63A gG | 63A gG | 63A gG | |
| Short-circuit withstand capacity | Isccr | 25kA | 25kA | 25kA | 25kA | 25kA |
| Temporary overvoltage TOV-withstand | UT | 175V/5sec. | 335V/5sec. | 350V/5sec. | 550V/5sec. | 580V/5sec. |
| Temporary overvoltage TOV-safe failure | UT | 250V/120min. | 440V/120min. | 550V/120min. | 660V/120min. | 770V/120min. |
| Response time | tA | ≤25ns | ≤25ns | ≤25ns | ≤25ns | ≤25ns |
| Operating temperature range | Tu | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ | -40℃-80℃ |
| Operating state/fault indication | green/red | green/red | green/red | green/red | green/red | |
| Cross-section area (Min.) | 4mm² | 4mm² | 4mm² | 4mm² | 4mm² | |
| Cross-section area (Max.) | 35mm² | 35mm² | 35mm² | 35mm² | 35mm² | |
| For mounting on | 35mm Din rail | |||||
| Enclosure material | Thermoplastic UL94-V0 | |||||
| Degree of protection | IP20 | IP20 | IP20 | IP20 | IP20 | |
| Order Code | B18731 | B18733 | B18735 | B18737 | B18739 | |
| Order Code (With remote signaling) | B18732 | B18734 | B18736 | B18738 | B18740 | |
Features:
• Low price surge protection device (SPD), Type 2 or Class II test level, selectable in nominal discharge current 10kA with max. discharge current of 20kA accordingly.
• Surge Protection Device for transient electrical over-voltages.
• DIN rail mounting, easy installation, compact size, and good performance.
• Class 2 SPD for typical waveforms of 8/20 μs.
• Best surge protector for your power supply system with rated voltage of 400V AC 50Hz/60Hz.
• The SPD is designed in accordance with IEC Class II.
Application:
• They ensure protection against overvoltage conditions.
• For the protection of low voltage distribution systems against direct lightning strike into the overhead power supply line or external lightning protection system (IEC 62305).
• They are suitable for installation in secondary boards and in terminal equipment.
Installation:
• The line of surge arresters includes a full range of compact protectors for installation on DIN rail
• When the fault indication window turns from green to red please replace the cartridge as soon as possible
• After the installation is complete, check that the protection unit is plug in place, close the automatic circuit breaker (fuse) switch, check the working status is normal.
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