LAYM40 MOV620 series are suitable to low-voltage power supply and distribution system for protection of equipment from the surge and the transient over-voltage inducted by lightning strike or internal power supply systems with the following features:
- High current discharge ability, quick -response, low residual voltage
- Flame retardent material (Class UL94-V0) can effectively prevent the occurance of fire
- Automatic disconnection function provides over-voltage and over-heated protection
- Remote signal alarm 
- Hot plug-in installation             
- Easy installation, it can fix on DIN rail with 35mm width.