SMA AC-SPD-KIT1-10 AC Surge Protector for CORE1 Inverters Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: 501-0029 Details SMA, AC Surge Protection Module Kit, 4 Module kit for Core-1 Inverter, AC-SPD-KIT1-10 Optional AC surge protection devices for the SMA CORE1 inverters... Details Back DetailsSMA, AC Surge Protection Module Kit, 4 Module kit for Core-1 Inverter, AC-SPD-KIT1-10Optional AC surge protection devices for the SMA CORE1 inverters.