SMA Sunnyboy Plugin GRD 10 NR Grounding Plugin Device SB2000 / 2500 / 3000HF
DC input ground set for positive or negative grounding for SB/2000HF – 30/SB 2500HF – 30/SB 3000HF – 30. - 3000HF SB 30. SMA PLUG IN PERSONAL body Earthing touch add-on kit (DC input flash drive for positive or negative grounding for ).