inductance current monitoring, security isolation of input and output, power<br> The range of the monitored current is up to 30A;the monitoring is adjustable within 0.2-30A.<br> Hysteresis is less than 1%. It can be used instrong magnetic environment.<br> Non-contact electronic switch with fast reaction and number of on-and-off operations.<br> The shell is made of environmentally-friendly -retardant PC material.<br> Monitoring current: 0.2-30A AC<br> Contact capacity: 0.3A@240V AC/DC<br> The diameter of the perforation : 10MM<br> Dimensions: 65x25x47MM<br> Maximum leakage value: 0.1MA<br> Maximum overload capacity: 100%<br> Operating temperature: -20-55Celsius<br> Hysteresis: less than 1%<br> Operating principle:<br> Normally closed: M3056<br> When the current of the perforation exceeds the set value, the green light turn on and the output signal open ; when the current is the set value, the red light turn on and the switchs .<br> Colour:<br> Material:plastic<br> Package Contents:<br> 1 x Current detection switch induction relay<br> Only the above package content, other are not included.<br> Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.