AS3 Series Current Sensing Relay provide the same dependable indication of status offered by the AS1 Series Current Sensing Relay, but with the added benefit of increased setpoint accuracy. A choice of three, jumper-selectable input ranges allows the AS3 current sensing switch to be tailored to an application, providing more precise control through improved setpoint resolution. Self-powering, isolated solid-state outputs, 1–6 A, 6–40 A and 40–200 A input ranges, and a choice of split- or solid-core case are standard.