Legrand fan isolator: which is feed and supply

[garrymum]

Hi

Just replacing a Legrand twiple pole fan isolator switch. Back of the switch is caked in plaster / paint so can't see much writing on the back. Two sets of the 3 terminals, 3 on the top, 3 on the bottom. Which 3 (top or bottom) is the supply TO the isolator?

Many thanks

 

[Spark123]

If it is that bad then you need a new isolator!

 

[garrymum]

If it is that bad then you need a new isolator!

That's what I am doing!!!! Not to worry, all sorted now