32D471K Metal Oxide Varistor – 32D Series | RUILON

The RUILON 32D Series Metal Oxide Varistors are ultra-high energy surge protection devices designed for heavy-duty industrial and power distribution systems. With a large disc size and extremely high surge absorption capability, they provide superior protection against lightning strikes, switching surges, and extreme overvoltage conditions.

The 32D series ensures excellent clamping stability, very high energy handling capacity, and long-term reliability even under repeated surge events, making it suitable for mission-critical electrical protection systems.

✅ Key Features

Ultra-high surge energy absorption capability
Excellent protection against lightning surges
Stable and reliable clamping voltage performance
Designed for heavy-duty industrial environments
High endurance for repetitive surge stress
Long service life and robust construction

📌 Applications

Power transmission and distribution systems
Industrial surge protection devices (SPD)
Heavy machinery and factory equipment
High-power inverters and converters
Utility and infrastructure protection systems
Large-scale electrical installations
Telecom and base station power systems