Profile: 3S Industries, Inc. manufactures industrial control transformers, power transformers and power inductors. Our 3 phase 50/60 Hz power transformers have an output power range of 100 VA to 250'000 VA. The input and output can be connected either delta Or wye. These transformers are for industry application, large machineries and substations. We provide toroidal power transformers and products, including off the shelf & custom designed toroidal products. They are used in medical, telecommunications, computer, power conditioning, audio, renewable energy and other industrial applications. We are an ISO 9001:2000 certified company.