3000/1 Mini Split Core Current former Sensor AC Open Type CT 80A Clamp High Frequency form This is a mini split base current former; it's the smallest one compared to the similar products (output 100MA). The accuracy is less than equal 0.5 grade, Our ac sensing relay using snap joint structure, it can be fixed to the cable directly through nylon ties. The amp former is with Built-in input coil; small and light, easy to install. Fully enclosed CT, good mechanical properties and environmental resistance, strong voltage isolation capability, safety and reliability. Colour:Black Material:ABS Package Contents: 1 x High Frequency former Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.