Feature: 1. This AC current detection sensor module is made from copper clad plate, which is sturdy and durable. 2. The output signal of this AC current detection sensor module is the switch output. 3. The current detection range AC maximum 5A, and the output overcurrent switch signal output. 4. Over current signal setting threshold of this module is adjustable, and setting resolution 0.3A. 5. With mounting holes, this AC current detection sensor module is easy and convenient to install. Specification: Item Type: AC Current Detection Sensor Module Material: Copper Clad Plate Product Size: Approx. 40 x 38mm / 1.57 x 1.49in Main Chip: Operational Amplifier Transformer Application: AC Current Devices Such As Motor Overcurrent Detection, Stall Protection, Short Circuit Protection Testing, Demonstration Teaching Experiments and So on Occasion, to Facilitate the Secondary Development. Suitable for Different Loads, Including Inductive Load, Capacitive Load, Resistive Load Detection.. Package List: 1 x AC Current Detection Sensor Module1 x Connecting Cable