CHARLES MARINE 93-ISOG2/6-A / Charles ISO-G2 Transformer 3.6KVA, 30 Amp, 120VAC, 60Hz Marine UL listing ensures durability and safety. Isolates onboard systems from potential shore-side power hazards. Provides efficient, clean power for onboard systems. Box Dimensions: 11"H x 10"W x 13"L. Weight: 70.0 lbs.