Profile: Dairyland Electrical Industries, Inc. specializes in offering polarization cell replacement, solid state decoupler, over voltage protector, gradient control mat, isolator surge protector and galvanic isolator. Isolator surge protector is the solid-state AC conducting/DC blocking device designed for the corrosion prevention industry. It features flashing LED that indicates device operation. Galvanic isolators (GI) are fail-safe, solid-state DC isolation/ AC coupling devices with ratings and characteristics that significantly exceed those of all known galvanic isolators designed for marine applications. It is rated for high levels of lightning current.