This adaptor Easergy T300 is required for voltage sensor used with SC150 module. The Un rated voltage is 11 to 36 Kv. It include 3 RJ45 inputs, and RJ45 communication port for output. Complient to standards IEC 60044-7, CE certification. The operating and storage temperature is -40°C to + 85°C. Mechanical dimensions are 40 mm in height, 40 mm in width and 95 mm in length.