1,SWITCH SPECIFICATION: Normally open AC current sensing switch, starting current is 0.5-50A, frequency range is 40-400Hz, stable in performance. 2,SAFE MATERIAL: The current switch adopts ABS fireproof shell, which has high safety factor, long service life and safe and reliable operation. 3,ADVANCED COUNTING: Switch output detection, monitoring, protection and alarm products developed by adopting advanced passive power supply counting. 4,EASY OPERATION: Utilize the principle of electromagnetic mutual inductance of current to monitor or detect electrical equipment safely, simply and conveniently. 5,WITH INDICATOR: The current transformer switch has indicator light, the red light means the switch is closed, and the green light means the switch is open. Item Type: AC Current Switch Starting Current: 0.5-50A Frequency Range: 40-400Hz Startup Time: Within 0.1s Switch Contact Capacity: Maximum 0.3A at 130Vac or dc Overload Capacity: and100 percent at 50A Product Size: Height: Approx. 42mm or 1.7in Width: Approx. 43.7mm or 1.7in, 63.7mm or 2.5in Thickness: Approx. 25mm or 1in Threading Hole Diameter: Approx. 8.5mm or 0.3in Indicator Light: Red, Green Installation Form: Flat Mount Shell Material: Fireproof ABS, 94V-0 Working Temperature: -10℃-55℃ Storage Temperature: -20℃-65℃ Working Humidity: 0-95 percent , non condensing IP Rating: IP30 1 x AC Sensing Switch 1 x User Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store