EMI Solutions Pvt. Ltd. Supplies Potted & Unpotted Coil. EMI Solutions Pvt. Ltd. Has obtained ISO 9001:2008 certifications. EMI Solutions Pvt. Ltd. Manufactures filters and suppression components for application in consumer electronics, industrial automation, medical, telecom and defense. Potted & Unpotted Coil is used for suppression both in single phase & three phase for common mode & differential mode. Potted & Unpotted Coil is available in various sizes and current rating.