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SPD-100 High-Voltage Unit
The PD-100 surge arrestor offers mission-critical overvoltage protection for transmission and distribution assets. Built with premium ZnO varistors, it ensures a fast non-linear response to attenuate steep-front surges.
PD-100 Tech Datasheet
Insulation
• ESP™ hydrophobic silicone rubber housing
• UV- and pollution-resistant outer sheds
• 31 mm/kV creepage distance for high contamination zones
Voltage Grade
• Voltage class options: 11 kV, 22 kV, 33 kV
• MCOV levels matched to typical distribution system ratings
• Optimized protection margins for transformer and line insulation
Current Cap.
• Rated discharge current: 10 kA (8/20 μs)
• High-energy classification for repeated surge events
• Suitable for lightning and switching overvoltage profiles
Compliance
• Type-tested and certified by KEMA
• Fully compliant with IEC 60099-4 requirements
• Routine-tested for leakage and protective characteristics
Active Core
• Gapless ZnO varistor column with high non-linearity
• Low residual voltage for improved protection levels
• Stable long-term performance under continuous operating voltage
Performance
Transient Damping
Utilizes rapid thermal response technology to clamp overvoltage transients from lightning or switching.
Integrity Monitoring
Advanced leakage sensing supports predictive maintenance by detecting early-stage insulation breakdown.
Modular Assembly
Versatile NEMA-rated bracketry allows for seamless integration into existing lattice or pole-top mounts.
Corrosion Specs
Resilient hardware designs enable reliable service life in high-salinity and harsh coastal environments.