Gemini Instratech Private Limited manufactures Indoor, Epoxy Resin Cast Voltage Transformers. Gemini Instratech Private Limited is an ISO 9001:2000 certified company. The Company also manufactures various types of current and voltage transformers. The Indoor, Epoxy Resin Cast Voltage Transformers are made with liquid resin system with plasticizer and is processed under controlled temperature and vacuum. The Indoor, Epoxy Resin Cast Voltage Transformers are suitable for voltage factor ranging from 1.9 for 8 hours. These Voltage Transformers are can be supplied with / without HV fuse on primary side up to 22 kV.