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LV Surge Arrester upto 440V for substation protection from lightening and switching overvoltages. LV Surge Arresters provide protection for low-voltage overhead lines, consumer in-house supplies, distribution transformers and other systems. Numerous tests have confirmed durability of the housing, even when exposed to extreme temperature fluctuations and contamination
- Suitable for indoor and outdoor applications
- Integrated disconnector and 1m line lead
- Overhead lines housing and lead are flame retardant and UV resistant
- Easy to identify failure indicator
- Easy to install (no tools required)
- Tested according to IEC 61643-1+ Amd.1 and EN 61643-11
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Technical Information
Type |
LVA-280B |
LVA-440B |
|
---|---|---|---|
Continuous operating voltage (Uc) |
V |
280 |
440 |
Applicable standard /class |
IEC 61643-1 / Class II / Imax= 40 kA |
||
Nominal discharge current |
kA |
10 |
|
High current impulse 4/10µs |
kA |
100 (test as per IEC 60099-4) |
|
Rated frequency |
Hz |
48 – 62 |
|
Ambient temperature |
°C |
-40 to +70 |
|
Energy absorption during line discharge impulses (2shots): |
kJ/kV·Uc |
4.1 |
|
Maximum Discharge current |
kA |
100 |
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