Am interested in identifying this diagram symbol and why there is a dotted line included?
Cheers
Peter
Cheers
Peter
Question for our resident sparkies
- Thread starter Nightjar
- Start date
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cracka
Craig
Just a guess but it looks like it is wired to be a normally open contact eg wired to terminal 5. Alternatively it can also be wire to terminal 3 to create a normally closed contact (thats why its dotted). Does this make sense?
Cracka
Cracka
I think your symbol is a status light, the dotted line represents the energised state of that output, when the timer counts down and switches the power will run through the dotted circuit shown and the hard line circuit will be switched out.
Can i ask what device to you have that came with this drawing? 8)
Can i ask what device to you have that came with this drawing? 8)
Think you both have cracked it, so the symbol is a light bulb turned off.
The device is a Legrand 03705 Digital Timer.
The device is a Legrand 03705 Digital Timer.
pjg100
Peter
Nightjar said:
Peter, you will find with this model of timer. That you have the ability to either turn on a small device or the ability to turn off a small device. There are many timers on the market with the same abilities. They have a common terminal and the other two terminals are either normally open or normally closed. The dotted lines indicate that it has both. Just remember that the contacts on this timer are of a low rating, so you cannot switch a load no greater than what is printed on the unit.
Peter
Thanks for the input, the timer is a Legrand replacement for the 03700 that has energised my 3phase bore pump starter for past 20 years.
The old one does not have circuit 5, hence the query.
The old one does not have circuit 5, hence the query.
Digginholes
Greg
The simble is the load, hard line would be a normally open contact and the dotted a normally closed contact.. Grab a multimeter and test for continuity between terminal 4 and 5 and then 4 and 3 this will give your answer just to be sure, before making your connection, this timer can be used to either supply power to the load for however long you set the timer or if wired using the n/c terminals will switch supply off for a certain period
Hope this helps
Hope this helps
Digginholes
Greg
The symbol above terminal 4 represents the switching device
