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Mercury Level Switch
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Home Accessories Mercury Level Switch
Programmable timer relay
Programmable timer relay $40.80
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Mercury Level Switch

$9.15

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Category: Accessories Tags: driveway gates, gate automation, gate motor, Gate opener, gate operator, gates, level, Mercury, switch
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Description

Mercury Level Switch

*DC 12 V

*2 A

A mercury level switch is a type of electrical switch that uses a small amount of mercury to make or break an electrical circuit based on the switch’s position or the level of a liquid.
These switches are often found in devices that need to detect changes in tilt or liquid levels, like thermostats or sump pumps. 

Here’s a more detailed explanation:
How it works:
  • A mercury switch contains a small amount of mercury inside a sealed capsule or envelope. 
  • When the switch is tilted or moved, the mercury rolls to the lowest point in the capsule. 
  • If the mercury comes into contact with two or more electrical contacts, it completes the circuit, allowing electricity to flow. 
  • If the mercury is moved away from the contacts, the circuit is broken. 
Types of mercury switches:
  • Mercury tilt switches:
    Used to detect the angle or tilt of an object. They are found in applications like home security alarms or robots that need to sense when they’ve tipped over. 

  • Mercury float switches:
    Used to detect the level of a liquid. They are common in sump pumps and other liquid level control systems. 

  • Mercury displacement switches:
    Similar to float switches, these switches use a plunger that dips into a pool of mercury to raise the level and complete a circuit. 

Applications:
  • Thermostats:
    In older thermostats, mercury switches were used to control the heating or cooling system based on temperature. 

  • Sump pumps:
    Mercury float switches are used to automatically turn on a sump pump when the water level gets too high. 

  • Appliances:
    Mercury switches can be found in various appliances like washing machines, dryers, and ovens. 

  • Industrial applications:
    Mercury switches are used in a variety of industrial settings, including liquid level control and safety systems. 

Important notes:
  • Mercury is a toxic substance, and mercury switches are no longer widely used due to environmental and health concerns. 
  • Many applications that previously used mercury switches have switched to alternative technologies, such as solid-state sensors. 
Additional information
Weight 0.001 kg
Dimensions 5 × 4 × 1 cm
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We are proud to provide you with driveway gate operator services and accessories. We have more than 28 years of experience in selling, installing, maintaining, and repairing electronic accessories for homes with the latest technology.
• #100 - 11538 132a St, Surrey, BC, V3R 7S2
• Sales Dep.: (778)384-2800
• Service Dep.: (778)561-4530
• info@retcc.ca

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