Reminder: Must be connected in series with small relays or use plc to directly control the motor/pump/light bulb, although sometimes it seems that the current is very small, but there is a momentary current when the appliance starts, it may burn out the switch contacts inside. Features: This is a mini stainless steel float switch,contains no for mercury. Light weight and simple working principle,high reliability. This float switch is a device used to sense the level of liquid within a tank, the switch may activate a pump,an indicator,an alarm,or other device. This float switch is a simple structure,easy installation liquid level controller. It does not have a complex circuit,will not be disturbed,as long as the material selection, liquid,pressure or temperture can be used in any environment. The versatility of this vertically monted sensor means that it can be installed either at the top or base of your tank,depending on whether you for wish to detect the water's rise or fall. The float level switch is widely used in electronic,electrical,chemical,water treatment, drainage and other walks of life level control and alarm. Specification: Material: Stainless Steel Color: Silver Max Contact Rating: 10W Max switching voltage: 110V DC Max switching current: 0.5A Max breakdown voltage: 220V DC Max carry current: 1A Max contact resistance: 100m Max temperature: -30~+125 Thread Dia(Approx): 10mm Cable Length: Approx 350mm/13.78" Size: 6x2.6cm/2.36x1.02inch Quantity: 1 Pcs Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1x Floating Switch