Galvanically isolated safety transformers provide a reliable supply to power circuits with "protective disconnection" or "safe supply via protective disconnection principle" safety measures. Double or reinforced insulation between the primary and secondary windings contributes to the safe supply of SELV and PELV circuits.

OMSAN safety transformers provide extra low safety voltages below 50 V AC or 120 V DC. They are manufactured under an ISO 9001 quality management system with CE certification and power ratings between 5 VA and 5,000 VA.

Safety-isolation transformers are Class I industrial transformers designed for low-voltage power supply in the energy industry and switchboards. The separately insulated windings are fully impregnated with varnish under vacuum, making them resistant to dust, moisture, and corrosion.

The transformer must be protected against overload and short circuits by a fuse system.

The power, voltage, frequency, duty cycle, and other technical specifications of safety isolation transformers are determined according to customer needs and project requirements. Features such as center tapping or galvanic shielding can be added to the transformers according to the customer's needs. Safety isolation transformers have very high insulation values between windings and between windings and the core, and have excellent resistance to short-duration high-power surges.

OMSAN safety-isolation type transformers are used in various sectors in many countries around the world. Their main areas of application include lighting, automation, iron and steel, machine control panels, ships, and elevators.