inductance current monitoring, security isolation of input and output, self powerThe range of the monitored current is up to 30A;the monitoring is adjustable within 0.2-30A.Hysteresis is less than 1%. It can be used instrong magnetic environment.Non-contact electronic switch with fast reaction and number of on-and-off operations.The shell is made of environmentally-friendly -retardant PC material.Monitoring current: 0.2-30A ACContact capacity: 0.3A@240V AC/DCThe diameter of the perforation line: 10MMDimensions: 65x25x47MMMaximum leakage value: 0.1MAMaximum overload capacity: 100%Operating temperature: -20-55CelsiusHysteresis: less than 1%Operating principle:Normally open: M3050When the current of the perforation line exceeds the set value, the red light turn on and the output signal ; when the current is the set value, the green light turn on and the switch open.Colour:As shownMaterial:plasticPackage Contents:1 x Current detection switch induction relayOnly the above package content, other products are not included.Note: Light 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.