Features The current sense switch is for safety, simple, and convenient monitoring or detection of current in the electrical equipment. Compared with traditional device, thermal protectors and other devices, it has the advantages of high accuracy, stable performance and long service life. An ideal choice for automated industrial equipment and power monitoring. Widely used in substation, frequency conversion control device, inverter device, electrolytic plating, electric , street lamp monitoring, coal mine and other automation industries that need current monitoring. Control various automation industrial equipment, flashlights, buzzers, relays, microcontrollers, or other electrical load devices. Specification: Switch Type:Normally Open/Normally Closed( Optional ) Power Supply:Self-Powered,No External Power Supply is Required. Starting Current / Frequency Range: 0.2-30A, 40-400Hz Startup Time: <0.1 Seconds Switch Contact Capacity: Maximum: 0.5A@12-240VAC/DC Overload Capacity: +100%@30A Threading Hole Diameter: 8mm Indicator Light: Red and Green Installation Form: Guide Rail 35mmDIN Shell Material: Fireproof ABS Working Temperature: -20~55 °C Working Humidity: 0-90%, No Condensation IP Rating: IP30 Size:52 x 68 x 25mm / 2.05 x 2.68 x 0.98in Package List: 1 x Sensing Switch 1 x Users Manual(Chinese & English) Package List