Detailed Product Description Name: Wattmeter(3P4W)Type: SD-96, SD-72, SD-80Size(mm): 96X96, 72X72, 80X80Accuracy: class 1.5Voltage: 50V, 100V, 380V, 240V, 415V, 400V, 380V, 220/380V, 240/415VCurrent: 1A or 5AMounting: SF series is flush mounting with bracket,SFT series(48,72,96,120) is slippage type.