Rating: 1 KVA -1000 KVA, Both Air cooled & Oil Cooled, We Manufacture and export various types of Step Up , Step Down both Isolation Transformers and Auto Transformers. Isolation Transformers reduces the effects of noise , spikes , surges , transients and neutral to a minimum. Step up transformers are usually from 230V to 415 v avoiding neutral. Step down transformers are usually from 230V to 110 V both Isolation and Auto Transformers