Answers
Sep 19, 2016 - 06:39 PM
Fibaro dimmer can only run 240v bulbs. Also, If using LED's you will probably need the bypass module otherwise the LED's may flicker and glow dimly when turned off.
If you want to run low voltage bulbs you could use the Fibaro relay but you would loose the ability to dim.
If you want to run low voltage bulbs you could use the Fibaro relay but you would loose the ability to dim.
Sep 20, 2016 - 04:17 AM
Doesn't really matter I think as datasheet says you can use them both. Mostly it depends on the bulb type. However, If you are about to use dimable GU10 240V LED bulbs, you need to use Fibaro Dimmer Bypass 2, it prevents bulbs from flickering or glowing when you turn them off. Don't really know about GU5.3 fittings, never used them with Fibaro Dimmer 2
Sep 20, 2016 - 10:19 AM
I'd use this dimmer with a GU10 240v LED. don't forget the bypass module. If you're running low voltage though you might look at the LED driver instead.
Sep 19, 2016 - 06:47 PM
Thanks, but the manual says it supports " 12V operated ELV halogen lamps and dimmable LED bulbs (with electronic transformers)". I.e. MR16/12V. Hence my question still stands...
Sep 19, 2016 - 06:49 PM
I just marked my own post as inaccurate lol... Oops!! :)
Sep 19, 2016 - 07:08 PM
It is referring to dimming the 240v side of a 12v transformer. Unless you enjoy transformer buzz keep it simple and use 240v dimable LED's.
Sep 19, 2016 - 07:24 PM
As the question states, I already have 12V MR16s (with transformers). These are being dimmed using Rako Lighting dimmers at the moment with no problems. If I were to switch the dimmers to the Fibaro Dimmer 2 are you saying they'd have problems dimming loads with transformers (even though it's supposed to be supported)?
Sep 19, 2016 - 07:49 PM
The fibaro will replace any 240v wall dimmer without issues (suggest you use momentary switches). I think your problem will come with changing to 12v LED's using the existing halogen transformers. I have done it in the past and was left with buzzing. How many bulbs in the circuit? You could experiment with new bulbs, xxxx fix have a great return policy so nothing to loose :)
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