Friday, February 8, 2019

How to 8 pin relay working


How to 8 pin relay working ?


     
                          
          8 pin relay                                      

       


8 pin realy's are very popular for many applications

An 8 pin relay contains two single pole double throw contacts

Pins 1 and 4 and 8 and 5 are normally closed. On the other hand pins 1 and 3 and 8 and 6 are normally open

The coil of the 8 pin relay is connected across pins 2 and 7

In the following example will be connected pin 1 and 8 to a power source, four light balbs will be connected to another power source with a switch

When closing and open the  the SW, contacts change the position

When closing and open the  the SW....
Contacts changes the position 

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