Mercury Tilt Switches

Mercury Tilt Switches
A mercury tilt switch is an electrical switch that opens and closes a circuit what a small amount of liquid mercury connects with metal electrodes. When tilted in one direction the switch is either open or closed, and then in the opposite when tilted in the other direction.
Due to the fact that mercury is a poisonous metal, any devices containing mercury must be treated as hazardous. With current RoHS restrictions, mercury has been eliminated in most modern applications.
Advantages
• The contacts are enclosed to stop oxidation
• Can be used in hazardous locations
• Low resistance
• Quiet operation
Applications
Mercury tilt switches are commonly used in older style thermostats used to turn a heater or air conditioning on or off. Another use is in construction equipment and lift vehicles by being used as a rollover warning when operating in rugged terrains.
Vending machines also include tilt switches and are used to activate an alarm when someone tries to rock or tilt the machine.

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Description Price Differential Angle Maximum Current Maximum AC Voltage Terminal Type Diameter Length Width Depth Dimensions Contact Resistance Maximum Operating Temperature Minimum Operating Temperature
New
RS Stock No. 344-883
BrandRS PRO
kr 90,71
Each
Units
10 ° 1 A 220V Cable - 347mm 12mm 11mm 12 x 11 x 347 mm 300mΩ +70°C -20°C
New
RS Stock No. 335-485
Mfr. Part No.S1017
BrandAssemtech
kr 140,88
Each
Units
15 ° 19 A 240V Wire Lead 22 mm 210.5mm - - 210.5 x 21.5 mm 300mΩ +70°C -20°C