AC Current Sensor Parameter:1, working voltage: DC 5V /DC 12V /DC 24V2, Overcurrent Protection:0~5A3, the ratio: 1000:1; [see sensor labeling]4, working frequency range: 20Hz~400Hz5. Output mode: switch signal output;6, the largest detection line diameter: 8mm [subject to the real thing]7. Installation method: the screw holes are fixed;8, installation hole distance, 47mm9, working environment: -40 ° C ~ +85 ° C, 0-95% RH10, module size: 40 * 38 * 20mm