Features: 1.Straight-through structure ,isolation withstand voltage up to 2000V 2.Hysteresis is less than 1% and can be used under strong magnetic conditions 3.The outer casing is made of self-extinguishing material ABS 4.Suitable for AC current measurement and monitoring,AC motor overload protection,electronic switch of automatic control system and so on Color: Black Material: ABS Specification: Model:SZC23-NO-AL- Power supply:Not required Rated load:0.5A@240V AC/DC Input current:0.2-30A AC Switch on minimum:0.50.2A Maximum overload:100% Leakage current:0.1A Accuracy:1% Hysteresis:1% Response time:200ms Repeatability:100% Working temperature:-20~60 Waterproof:IP30 Dimensions:65x25x47mm/2.56x0.98x1.85in Hole diameter:10mm /0.4in Package Contents: 10x Current Sensing Switch 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.