Features 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. Specification 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/dc Overload Capacity: +100% at 50A Product Size: Height: Approx. 42mm / 1.7in Width: Approx. 43.7mm / 1.7in, 63.7mm / 2.5in Thickness: Approx. 25mm / 1in Threading Hole Diameter: Approx. 8.5mm / 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%, non condensing IP Rating: IP30 Package List 1 x AC Sensing Switch 1 x User Manual