3SU1DC & 3SU6DC, Surge Protective Devices

Types 2 surge arresters
Handling energy from distant/indirect lightning strikes or from switching operations
Feature lower protection level (Up)
Recommended at the incoming of installation for locations with no exposure to direct lightning impulses
3SU1/3SU6 DC provide protection for equipment on photovoltaic connected system,against transient overvoltages that occur on the electrical network