DC SPD factory 1Dc Spd 2p 1000v is applicable to new energy solar power generation system, with working voltage of 500V.800V 1000v銆?It is installed in the main power supply system of DC circuit to protect indirect lightning current, direct lightning current or other transient over-voltage. 3-1. Plug in surge protector. 2 The color of the visual window indicates the working state of the...