Water Tank Vertical Float Switch Stainless Steel Liquid Sensor Level Controller.  Features:  • Used to sense the level of liquid within a tank.  • Light weight and simple working principle, high reliability.  • 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.  • Widely used in electronic, electrical, chemical, water treatment, drainage and other fields.  • The versatility of this vertically mounted 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.  Specifications:  Material: Stainless Steel;  Max. Contact Rating: 10W / 50W;  Max. Switching Voltage: 240V AC;  Max. Breakdown Voltage: 220V DC;  Max. Switching Current: 0.5A;  Max. Carry Current: 1A;  Max. Contact Resistance: 100mΩ;  Operating Pressure: 10kg/cm;  Max. Pressure: 0.2 Mpa;  Applicable Proportion: 0.75;  Operating Temperature: -10 ~ +120℃;  Switch Operation: Reversible;  Wire: Teflon PTFE High Temperature Line;  Installation Method: Vertical Mounting;  Thread Diameter: 10mm / 0.39 inch;  6 Size Optional: 100mm / 3.94 inch;  150mm / 5.91 inch;  200mm / 7.87 inch;  250mm / 9.84 inch;  300mm / 11.81 inch;     Package Included:  1 Pc x Floating Switch.