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HV Surge Arrester upto 216kV for substation protection from lightening and switching overvoltages. Bowthorpe EMP pioneered the development of polymeric composite housed surge arresters in early 1980’s and since 1986, has a proven service experience across the globe, operating in world’s toughest environments. Bowthorpe surge arresters provide active over-voltage protection, reducing system outages and protecting expensive terminal equipment.
- Proven moisture sealing technology .
- Non-tracking insulating silicone materials.
- Fully integrated single piece and void less design
- Safe mode of failure
- Conforming to IEC60099-4
- Protection to HV networks/equipment from lightning and over-voltages
- Optimised for outdoor use to protect HV switchgears, transformers and cable end terminations
- more...
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Email Us epd@raychemrpg.com
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Specifications
| Parameter |
|---|
| Tested in accordance with IEC60099-4 at independent accredited laboratories |
| Direct moulded housing to prevent ingress of moisture |
| Low residual voltages |
| Safe non-shattering short circuit behaviour to higher current levels |
| Maintenance free |
| Hydrophobic silicone housing (tracking and erosion resistant) |
| Excellent cantilever and tensile performance |
Technical Information
|
Type |
|
PCA-I |
PAA4 |
|---|---|---|---|
|
Rated voltage Ur |
kV |
66-245 |
66-245 |
|
Line discharge class as per IEC60099-4 |
|
3 |
2 |
|
Arrester class designation |
|
SM |
SL |
|
Rated discharge current 8/20 µs |
kA |
10 |
10 |
|
High current impulse 4/10µs |
kA |
100 |
100 |
|
Energy (according to IEC 99-4, 8.5) Line discharge |
kJ / kV Ur |
7.8 |
4.5 |
|
Repetitive Charge transfer rating (Qrs) |
C |
2.2 |
1.2 |
|
TOV |
|
|
|
|
|
1.15x Ur |
1.08x Ur |
|
|
1.10x Ur |
1.04x Ur |
|
High current short circuit Pre failing method |
kA |
63 |
40 |
|
Mechanical Strength |
Outdoor |
Outdoor |
|
|
kA |
40 |
65 |
|
kNm |
2 |
0.5 |
|
kNm |
2.5 |
0.6 |
Certifications
CPRI
More info available on request
CESI
More info available on request
ERDA
More info available on request
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