Isolation Transformers with 50db Attenuation Level Provides safe, independent, galvanically isolated neutral. Sai Electricals is an ISO 9001-2000 certified company that offers Isolation Transformers with 50db Attenuation Level. Sai Electricals also supplies Stabilizers, Controllers, and Railway Electrification System. Isolation Transformers with 50db Attenuation Level isolates ground noises. It has unique circular cross-section of core and winding. These Transformers are available in both oil-cooled and air-cooled models. Single phase, 2 phase and 3 phase models are also available. It kills tripling / harmonics in 3 phase configuration.