Citel DS60VGPV-1000 are Type 1 heavy duty surge protectors, recommended when a direct lightning strike on the installation is possible. The DS60VGPV-1000 can be installed in sistems with an operating voltage of up to 1000 VDC. The use of Type 1 surge protector is recommended at both ends of the DC power supply line, at the solar array side and the inverter/converter side. The Citel DS60VGPV-1000 surge protector is made with a monoblock enclosure and mounts on a DIN rail. Citel PV surge protectors are DIN mount and are ideal for placement inside combiner boxes or inverters.