Switches are electromechanical devices. The are used to control the path of current or energy flow. Power switches are used to turn on and off loads. The contacts should be robust and have immunity to sparking and corrosion. Switches for signals need to be gold plated for low contact resistance and within a sealed enclosure.

Illuminated Rocker Small Rocker Toggle SPDT Toggle DPDT Tact Big Tact Small
DPST
230V AC
10A Neon
DPST
230V AC
5A Neon
SPDT
Low Power
1A 50V AC-DC
DPDT
Low Power
1A 50V AC-DC
Push NO
Data,
0.1A 25V
Push NO
Data,
0.05A 12V
DPDT Dual Pole Dual Throw
DPST Dual Pole Single Throw.
SPDT Single Pole Dual Throw.
NC Normally Closed
NO Normally Open
   
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