All-in-one IoT meters

1-phase (2-wire), 120 V L-N;
1-phase (2-wire), 220 V L-N;
1-phase (2-wire), 230 V L-N;
1-phase (2-wire), 240 V L-N;
2-phase (3-wire), 120/240 V;
2-phase (3-wire), 220/440 V;
2-phase (3-wire), 240/480 V;
3-phase (4-wire), 120/208 V;
3-phase (4-wire), 127/220 V;
3-phase (4-wire), 220/380 V;
3-phase (4-wire), 230/400 V;
3-phase ( 4-wire), 240/415 V;
3-phase (4-wire), 277/480 V;
3-phase (3-wire), 240 V L-L;
3-phase (3-wire), 380 V L-L;
3-phase (3-wire), 400 V L-L;
3-phase (3-wire), 415 V L-L;
3-phase (3-wire), 480 V L-L;
3-phase (4-wire delta), 120(208) / 240 V;
3-phase (4-wire delta), 240(415) / 480 V

50Hz;
60Hz