| Customization: | Available |
|---|---|
| Type: | Signal Type Arrester |
| Structure: | Zinc Oxide Arrester |
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The Zinc Oxide Lightning Arrester with Polymeric Housing integrates high-grade ZnO varistor blocks with a one-piece hydrophobic silicone rubber sheath. Lighter and safer than porcelain types, it instantly diverts lightning and switching surges, safeguarding transformers, switchgear, and overhead lines up to 220 kV.
| Item | Value |
|---|---|
| Rated System Voltage | 10 kV - 220 kV |
| Rated Discharge Current (8/20 µs) | 5 kA / 10 kA / 20 kA |
| DC Reference Voltage U | 17 kV, 27 kV, … (per class) |
| Leakage Current @0.75 U | ≤ 50 µA |
| 2 ms Square-Wave Withstand | 250 A - 1000 A |
| 4/10 µs High-Energy | 10 kA - 20 kA |
| Housing Material | Hydrophobic silicone rubber |
| Bending Strength | ≥ 2500 N |
| Operating Temp. | −40 ºC to +60 ºC |
| Protection Class | IP65 |
Transmission & distribution lines (10-220 kV)
Wind and solar step-up substations
Industrial networks and railway electrification
MV switchgear, pad-mounted and pole-mounted transformers
Direct-from-factory pricing with volume discounts. Stock models ship in 3-5 days; project-specific units in 2-4 weeks. Flexible FOB/CIF/DDP terms available.
Custom voltage class, discharge current, creepage distance, mounting flanges, color, laser-etched logo, and online monitoring units. OEM/ODM and third-party test reports supported.
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