image/svg+xml Warning image/svg+xml Electrical Shock Hazard Do not connect terminals R/L1, S/L2, T/L3, U/T1, V/T2, W/T3, -, +1, +2, +3, B1, or B2 to the ground terminal. If you connect these terminals to earth ground, it can cause damage to the drive or serious injury or death. Figure 1. Main Circuit Terminal and Motor Wiring Note: The location of terminals are different for different drive models. DC bus terminal Connect to the drive ground terminal. Ground the motor case. Three-Phase Motor Use R, S, T for input power supply. Input Protection (Fuses or Circuit Breakers)