The Asiapower AP-YC Series 18kV Porcelain Housing Surge Arrester is the frontline defense for electrical infrastructure. It provides essential insulation coordination for transformers, capacitors, and switchgear by limiting overvoltages from lightning strikes and operational switching. Utilizing a gapless design and premium Zinc Oxide (ZnO) varistors, it offers lightning-fast response times and high energy dissipation capacity.
Parameters:
Service Conditions (Environmental Limits)
Ambient Temperature: -40°C to +45°C
Altitude: Standard up to 1000m (High-altitude customization available)
Power Frequency: 48Hz – 62Hz
Maximum Wind Velocity: 35 m/s
Seismic Intensity: Up to 7 degrees
Pollution Level: Suitable for Class III & IV heavy pollution areas (Custom creepage distance available).
Choosing Between 5kA and 10kA
While both classes provide protection, the optimal choice depends on the system’s fault current level and protection requirements:
5kA Class : Typically used for lower-fault-level lines and less critical equipment.
10kA Class : Ideal for high-fault-level environments, distribution transformers, and areas with higher overvoltage risk.
