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The product declared in this Environmental Product Declaration is the indoor voltage sensor KEVA 36 B20/B21, including related accessories and packaging. Voltage sensors offer an alternative way of making the voltage measurement needed for the protection and monitoring of medium voltage power systems. Sensors based on alternative principles have been introduced as successors to conventional instrument transformers in order to significantly reduce size, increase safety, and to provide greater rating standardization and a wider functionality range. The voltage sensor type KEVA B is intended for use in voltage measurement in air insulated medium voltage switchgear. The voltage sensor KEVA B has been designed to be used as a post insulator but can be used as a stand-alone unit as well.