PowerTag Resi9 M63 3-pin with pin connection, 220 - 240 V AC +/- 20%, between phase and neutral, 380 - 415 V AC, +/- 20%, between phase and phase, Imax 63A Connection to the Wiser Hub via radio connection - ISM Band 2.4 GHz to 2.4835 GHz Installation from above or below on a Resi9 circuit breaker Energy sensors for transmitting the energy data to the Wiser Hub Accuracy class 1