Features: 1.FUNCTION: The current sensing switch is used to safely and conveniently monitor or detect the current of electrical equipment, can control various automatic industrial control equipment, flashing lights, buzzers, relays, single-chip microcomputers or other power load equipment 2.ADVANTAGE: Compared with traditional transformers and thermal protectors, the adjustable current sensing switch has the advantages of high accuracy, stable performance and long service life 3.EASY TO USE: Based on the principle of current electromagnetic mutual inductance, the induction switch adopts advanced switch output detection, monitoring and protection alarm products, without power supply technology 4.WIDELY APPLICATION: The AC current sensing switch is widely used in substations, frequency conversion speed regulation devices, frequency converter devices, electrolytic plating, electric locomotives, street lamp monitoring, coal mines and other automation industries that require current monitoring 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: