EM500 Open-Loop Vector Control Inverter User Manual d) Main Circuit Terminal Block of Models 45 - 75 kW e) Main Circuit Terminal Block of Models 90 - 200 kW f) Main Circuit Terminal Block of Models 220 - 400 kW g) Main Circuit Terminal Block of Models 450 - 560 kW Figure 3–2 Main Circuit Terminal Block 37 R S T + PB U V W