I have a small W1209 DC12V thermostat PCB that's had a small 12VDC relay attached. The print on the relay says that it can do 5A @ 240VAC and 10A at 120VAC. That makes sense, as both of those equal 1200 Watts.
However I'm wanting to wire it to a 2000 watt load at 240VAC. So have been looking at other relays I can replace the one on the PCB with.
And I'm seeing a fair number of relays which rather than having an
10A @ 240AC & 5A @ 120VAC rating they have a
10A @ 240VAC & 10A at 120VAC
So how is that possible? Is the relay that has 10A for both built for 10A @ 240, and 20A @ 120 too much for it, or is the rating fudged somehow?