This adaptor Easergy T300 is required for voltage sensor used with SC150 module. The Un rated voltage is 11 to 36 Kv. The input voltage Phase-to-phase 38VAC to 400VAC and 22 VAC to 240 VAC for Phase-to-neutral. It include 4 wires inputs, and RJ45 communication port for output. Complient to standards IEC 60044-2, CE certification. The operating and storage temperature is -40°C to + 85°C. Mechanical dimensions are 50 mm in height, 50 mm in width and 100 mm in length.