hi
i have a umt500mh cycle timer which has a output rated 5amps @ 240ac , i need to add a relay rated at 20 /25 amps can anyone advise of a cheap and cheerful relay that i could use and also how i connect this to the timer and then a mains 3 pin socket
thanks

 

That is a lot of current. Strictly speaking this is something you should not do unless you are certified to do such work. Before we resume. You should tell us what you are trying to do in more details

 

what i want to do is cycle on / off a 600w light and 2 fans, the amp rating is overkill but i would have thought the higher the rating the longer the contacts will last

 

Cheap:

http://www.ebay.com/itm/2pc-Hsin-Da...906?pt=LH_DefaultDomain_0&hash=item1e6d7a564a
This one you'd have to mount on a PCB.

Inductive loads will cause sparking of the contacts.

Just put the coil in series with the main power suppy and one of the timer relay NO contacts.

Then put the load in series with the main power supply and the NO contact of the high current relay.