Mutual inductance current monitoring with security isolation between input and output; self-powered Monitored current range up to 30A; monitoring threshold adjustable within 0.2–30A Hysteresis less than 1%; suitable for use in strong magnetic environments Non-contact electronic switch with fast response and unlimited switching operations Shell made of environmentally friendly, flame-retardant PC material Monitoring current: 0.2–30A AC Contact capacity: 0.3A @ 240V AC/DC Hole diameter for conductor passage: 10mm Dimensions: 65 x 25 x 47mm Maximum leakage current: 0.1mA Maximum overload capacity: 100% Operating temperature: -20°C to 55°C Hysteresis: less than 1% Operating principle: Normally closed (Model: M3056) When the current through the detection hole exceeds the set threshold, the green LED turns on and the output signal opens; when the current is below the set value, the red LED turns on and the switch closes Color: As shown in image Material: Plastic Package includes: 1 x Current detection switch induction relay Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight color variations between the product image and actual item. Measurement error allowance: ±1–3cm