Type 1+2 1000V DC Surge Protection Device SPD Installation for PV Solar Combiner Box

Type 1+2 1000V DC Surge Protection Device SPD Installation for PV Solar Combiner Box - 5 String Input 1 String Output

0:04 Start to assemble
0:08 Copper bar
0:14 DC Fuse
0:16 Grounding terminals block
0:17 DC MCB
0:22 DC SPD
0:25 MC4
0:52 Cross-sectional area
0:58 Complete the assembly and trial operation
1:03 Switch on
1:05 Normal current flow
1:09 When tension increases
1:13 SPDs discharge the surge current
1:19 Visible window indicates "Red"
1:23 Replace the pluggable module
1:27 Protect your PV assets
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Since 2010, LSP has been dedicated to designing and manufacturing surge protective devices protecting installations from transient overvoltages that result from switching events and lightning strikes.
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Wenzhou Arrester Electric Co., Ltd.
Address: 5th FL, No. 888 Liujiang Road, Liushi, Yueqing 325604 Zhejiang, China

[pyramidssolar]

please can you explain the wiring of Signalling Contacts Unit

[bkmsia]

Earth connect to home main db earth link?