This is a breakout board for the fully integrated Hall Effect based linear ACS758 current sensor. The sensor gives precise current measurement for both AC and DC signals.The thickness of the copper conductor allows survival of the device at high overcurrent conditions.

• Arduino interface compatible
• 120 kHz typical bandwidth
• 3 μs output rise time in response to step input current
• Output voltage proportional to AC or DC currents
• Factory-trimmed for accuracy
• Extremely stable output offset voltage
• Nearly zero magnetic hysteresis
• Total output error improvement through gain and offset trim over temperature
• Monolithic Hall IC for high reliability
• Ultra-low power loss: 100 μΩ internal conductor resistance

• Operating Voltage(analog): 3.3-5V
• Peak Measuring Voltage:3000V(AC),500V(DC)
• Current Measuring Rang:-50~50A
• Sensitivity:40 mV/A
• Operating Temperature: -40~150°C
• Dimension:34x34mm(1.34x1.34")

• Wiki (50A Current Sensor

• Sample code
• ACS758 datasheet
• Schematic

Package includes : 

• 1 x Sensor
• 1 x Analog Sensor Cable