Relays...

[SEC-Tom]

Hi, could somebody give me a little tutorial on relays on the basics of how they work?

Iv never really understood them too much.

Thanks in advance lads.

 

[nickblake]

Relay is like a switch single pole to a multi pole , mainly used for driving highcurrent loads where only a


low current load is pres

ent , ,basically a coil operating a switch

 

[alarm man]

as above,you might find this site handy,its more electronic,but the principle is the same

Relays

 

[nickblake]

Nice link

 

[nickblake]

heres a typical schematic i did for a church hall heating system using relays ,it had 3 programmers 3 room stats and 2 boilers and a frost stat and a pump