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PCA Polymeric surge arresters provides active over-voltage protection that contributes directly to improved reliability of the system, reduces outages and protects expensive terminal equipment.
PCA silicone surge arresters are designed and tested to meet customer demands with reliability in offering optimum operational performance.
Proven moisture sealing technology
Non-tracking insulating silicone materials
Fully integrated single piece and void free design
Safe mode of failure
The PCA series of arresters are designed to perform in the toughest environmental conditions to meet and exceed the requirements of IEC60099-4. Our gapless zinc oxide polymeric arresters have been in service since 1986 and the PCA range builds on that experience.
- Tested in accordance with IEC60099-4 at independent accredited laboratories
- Direct moulded housing to prevent moisture ingress
- Low residual voltages
- Safe non-shattering short circuit behavior to higher current levels
- Maintenance free
- Hydrophobic silicone housing (Tracking and erosion resistant)
- Excellent cantilever and tensile performance
- Quality design and manufacturing, ISO 9001 and 14001 compliant
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Specifications
| Qualification Testing |
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| Decades of experience in the field combined with expertise in design and development lead to creating PCA Series of surge arresters. The basic construction comprises of high energy ZnO varistor assembled within an open cage design. The series has been type tested as per IEC60099-4 Standard. |
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| Parameter |
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| The silicone insulating material is optimized for arrester application and following additional testing performed for qualification of silicone. |
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Technical Information
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Generic technical data |
Unit |
|---|---|
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PCA Series Ur Rating |
18 - 240 kV |
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Rated discharge current (8/20) |
10 kA |
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Line discharge class 3 according to |
IEC 60099-4 |
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Operating duty impulse withstand current (4/10 µs) |
100 kA |
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Long duration current impulse (2400 µs) |
640 A |
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1 second TOV (Uw/Ur) |
1.15 |
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High current short circuit: (pre-failing method) (Safe non-shattering failure mode) |
65 kA |
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Energy based on Ur |
7.8 kJ/kV |
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Mechanical data: |
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Cantilever (Nm) |
2500 Nm |
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Tension (N) |
75 kN |
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Torque (Nm) |
75 Nm |