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transient voltage suppressors OBV7 meet the type 1 requirement class according to IEC 61643-11. These devices protect low-voltage consumer systems from overvoltages of all types and are available in single-pole to four-pole versions.The voltage-limiting,high-performance spark gaps provide several benefits.A short response time, a low protection level and high current leakage capability with long service life.
+ Connectable lightning current and surge arrestors
+ High arresting capacity up to 150 kA (8/20μs) per pole
+ Combination arrestors for buildings with lightning protection system
+ Simple standard hat rail mounting
+ Labelled connections
+ Usable in systems with lightning protection class 1-4
Model: | OBV7-100 | OBV7-120 | OBV7-150 | ||
Maximum continuous operating voltage | Uc | V | 320/385/440 | ||
SPD to EN 61643-11 |
|
| Type 1 | ||
SPD to IEC 61643-1 |
|
| class I | ||
LPZ |
|
| 0→2 | ||
Lightning impulse current (10/350μs) | Iimp | kA | 15 | 15 | 20 |
Nominal discharge surge current (8/20μs) | In | kA | 60 | 80 | 100 |
Maximum discharge surge current (8/20μs) | Imax | kA | 100 | 120 | 150 |
Voltage protection level | Up | kV | 2,5 | 2,6 | 2,8 |
Response time | tA | ns | <25 | ||
Maximum back-up fuse |
| A | 125 | ||
Temperature range | ϑ | °C | -40℃~+85℃ | ||
Protection rating |
|
| IP 20 | ||
Connection cross-section, multi-wire |
| mm² | 10-35 | ||
Connection cross-section, flexible |
| mm² | 10-25 | ||



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