- Metal Oxide Varistor
- Surge Protective Device
- SPD Module (SPD-M)
- Gas Discharge Tube (GDT)
- Alloy Type Thermal fuse
- DC Alloy Thermal fuse
- TVS Diodes (TVS)
- NTC Thermistor (NTC)
- Fusible Wirewound Resistor
- TRXF
- Current Fuse
- idea Thermal-Link (iTCO)
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