Inc.The ACHS-7123 CURRENT SENSOR CARRIER -30A+30 is a current sensing device designed and manufactured by Pololu Inc. It features a four-pin layout designed for the ACS7123, an integrated circuit that acts as a high-precision current sensor. The device has a 20.3x17.8mm size and it supports a measure range from -30A to +30A and output voltage range of 4.5 to 5.5VDC. Additionally, it has a voltage-to-current conversion rate of 0.066V/A, meaning it can accurately measure and monitor currents. This device is ideal for applications that require accurate current monitoring such as solar arrays, electric motor, motor controllers and chargers.