LED Drivers

[stidge]

Hi all,
Have fitted out new kitchen for customer , the kitchen company have added 7 Drivers for cabinet lighting,It looks like heathrow airport ! My 6 gang grid switch is feeding lights . there s approx. 700- 900w max on ltg cct.
Its tripping MCB when introducing U/C lights. Is this because of Induction drivers ? inrush current ? Its wired in1mm so not ideal to put on 10a. Could I fit a C type breaker ? would this help ? Is it allowed ?.
Any help/advice greatly appreciated.

 

[jackhammerJIM]

Hi all,
Could I fit a C type breaker ? would this help ? Is it allowed ?.
Any help/advice greatly appreciated.

It won't help if you have a fault . have you tested the circuit ?

 

[telectrix]

looks like inrush. fit a type C if Zs readings comply.

 

[stidge]

Thanks for that telectrix , Jim the first thing I did was IR the cct

 

[Midwest]

Must be a big kitchen, with 7 separate drivers?

 

[Octopus]

I would turn off ALL the other lights on the circuit then switch on the under cupboard lights to see what happens then before I did anything else

 

[telectrix]

I would turn off ALL the other lights on the circuit then switch on the under cupboard lights to see what happens then before I did anything else

w23hat happens is it will be bright under the cupboards as long as it don't go bang.

 

[stidge]

Fitted type C breaker today , so far so good ! Thanks

 

[Midwest]

Out of interest, what makes of fittings and drivers are they?

 

[stidge]

Mixture of halefale and others I think , sorry not on job anymore , they were all provided and fitted by kitchen company ( all adhesive strips )

 

[Midwest]

Just wondered why there were so many drivers, all was there just lots of fittings/points?

 

[NDG Elecs]

Must be a big kitchen, with 7 separate drivers?

I am prepping a small estate agents for some LED displays they are getting installed. Tech guy on phone said there is up to a 100A inrush for something like10mS from each driver. This shop is not big at all and there will be around 20 individual drivers. He recommended splitting load over three ccts each through a contactor as they will be on a timer. Type C usually prove sufficient was his experience, pending Zs's...

 

[Midwest]

I've installed a few led/driver packages, only 3 or 4 15-30w drivers, and haven't had a problem...yet. After Tels helpful post did a bit of googling and found a few hits on the subject. I was aware of the issue with loads of fluorescents in a circuit, not of LED's. Seems you need a fair few in the circuit, before it causes issues, but worth knowing about.

http://adlt.com.au/technology/led-driver-inrush-currents/