Đồng hồ đo Siemens 7KT1661 đo qua biến dòng

SENTRON, measuring device, 7KT PAC1600, LCD, L-L: 400 V, L-N: 230 V, 5 A
Strd rail instr., 3-phase, Modbus RTU/ASCII, apparent/active/ reactive energy, self-powered, screw terminals