| Customization: | Available |
|---|---|
| Type: | Signal Type Arrester |
| Structure: | Zinc Oxide Arrester |
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a) Ambient air temperature within the range of -55°C to +50°C.
b) Altitude not exceeding 2000m.
c) Frequency of the A.C. Power supply not less than 48hz and not exceeding 62hz.
d) Power frequency voltage applied continuous between the teminals of the arrester
not exceeding its continuous operating voltage.
e) Maximum wind speed not exceeding 35m/s.
f) Earthquake intensity not exceeding 7 degrees.
- Low residual voltage
- Long protection distance
- High energy input capacity
- Stable U-I characteristics even after multiple strokes
- Proof against ageing
- Explosion and shatter-resistant design
- Pollution resistant and UV-stable
- Housing resistant to rough handling
- Maintenance free
- Stable against shock and vibration
- High mechanical resistance
| Electrical characteristics | Specification | Unit | |
| Rated voltage of Surge arrreser | 9 | kV | |
| Nominal discharge current | 5 | 10 | kA |
| Rated frequency | 50 | Hz | |
| Maximum continuous operating voltage | 7.65 | kV | |
| Steep current impulse residual voltage | 33.7 | kV(Crest) | |
| Lightning Impulse residual voltage | 27 | kV(Crest) | |
| Switching Impulse residual voltage | 23.8 | kV(Crest) | |
| Long duration current impulse withstand voltage |
150 | 250 | A |
| High current impulses | 65 | 100 | kA (Crest) |
| Rated Short-circuit current | 20 / 12 / 6 / 0.6 ± 0.2 | kA | |
| Class of Surge arrester | Class 1 or Class 2 | ||
| Application | Distribution type | ||
| With or without gap | Gapless | ||
| Designation of arrester | Design B | ||
| Spare parts | |||
| NEMA A or B mounting bracket | with/without | ||
| Disconnector | with/without | ||
| Earth lead | with/without | ||
| Bird guard cap | with/without | ||
| Line clamp | with/without | ||
| Upper terminal (incoming line) bolt size | M12 | ||
| Lower termina (outgoing line) bolt size | M10 | ||
| Material | |||
| Upper terminal | Stainless steel 304 | ||
| Housing | Polymer type | ||
| Color of housing | Dark grey / light grey | ||
| Varistor | High quality zinc oxide varistor | ||
| Size of Varistor | 35mm / 38mm /40mm / 42mm | ||
| Package | |||
| Qty/package | 3 | pc/carton | |
| Service conditions | |||
| Environment maximum temperature | 40 | ºC | |
| Pollution level | Heavy | ||
| Altitude | ≤1000 | Meter | |
| Standard | IEC60099-4:2014 | ||
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