20D121KJ Metal Oxide Varistor – 20DJ Series | RUILON

The RUILON 20DJ Series Metal Oxide Varistors are high-energy surge protection devices designed for demanding power and industrial applications. With enhanced surge handling capability and stable electrical performance, these MOVs effectively protect circuits from lightning surges, switching transients, and overvoltage spikes.

The 20DJ series features robust energy absorption capacity, fast response time, and excellent clamping stability, making it suitable for high-reliability protection circuits in AC mains, industrial equipment, and power distribution systems.

✅ Key Features

High surge current and energy absorption capability
Fast response to transient voltage spikes
Stable and reliable clamping voltage
High endurance for repetitive surge events
Designed for industrial-grade protection
Long operational life and strong reliability

📌 Applications

AC power line protection
Industrial power supplies
Surge protection devices (SPD)
Motor control systems
Heavy-duty consumer electronics
Telecom and communication systems
Power distribution equipment