A90 series Inverter User Guide 3 Wiring 3.1 Connection to Peripherals Stand a rd connection between A90 and peripherals is shown in Figure 3–1. Power Supply Circuit Breaker or Leakage Switch Contactor Input AC Reactor Noise Filter on BR100 Braking Unit the Input Side Braking Resistor A90 Inverter Braking Resistor Noise Filter on the Output Side Grounding Output AC Reactor 3-Phase Motor Figure 3-1 Connection of A90 Inverter and Peripherals 14