Indotech Devices Pvt. Ltd. Offers Wound Primary Type Current Transformer. Indotech Devices Pvt. Ltd. Is an ISO 9001:2008 certified company. Indotech Devices Pvt. Ltd. Supplies indicating test & measuring instruments. Wound Primary Type Current Transformer is used where both primary and secondary turns are wound on the torroidal core. Wound Primary Type Current Transformer is available in the ranges from 5/5A to 100/5A. Also Secondary 1A can be provided with this transformer. Optional mounting arrangements are provided as the current transformer [CT] is mounted between two bakelite plates and brass terminals which are provided for connections of primary & secondary.