Main circuit: L1/R, L2/S, L3/T, L1/L, L2/N, P1, P(+), N(-), DB, U, V, W, R0, T0, R1, T1
Insulation level
Main circuit - Casing : Basic insulation (overvoltage category III, degree of contamination 2)
Main circuit - Control circuit : Enhanced insulation (overvoltage category III, degree of contamination 2)
Risk of electric shock exists