Phase Angle Controllers Model Number : GM631 GEN.VL1-N input : 0-346Vac GEN.VL2-N input : 0-346Vac GEN.VL3-N input : 0-346Vac L1 Gen current input (S1) : 0-5A L2 Gen current input (S1) : 0-5A L3 Gen current input (S1) : 0-5A