2 separated RCD in one grill.

[Streetwear87]

Hi guys!I have a question.
We have a 3 phase electric grill with two cooking area and two separated circuit will feed those areas lets say left h side and right h side.Both circuit will be protected by 30mA RCD.My question,is it possible to get a dangerous situation if on both circuit will have 20-20mA leakage.in this case it would exceed 30mA.but the individual RCDs will measure only 20mA...i hope you are with me.
Thank you for your answers

 

[westward10]

Is it designed to be run from separate circuits because if not and if they are not electrically separate the rcds will trip.

 

[Streetwear87]

Is it designed to be run from separate circuits because if not and if they are not electrically separate the rcds will trip.

Separate circuits.

 

[westward10]

Is it designed to be used with separate circuits.

 

[James]

Can you post the make and model, or even better the instructions?
I have never seen a grill requiring 2 separate 3phase supplies. Not saying it’s impossible, but it is certainly rare.

 

[Streetwear87]

Can you post the make and model, or even better the instructions?
I have never seen a grill requiring 2 separate 3phase supplies. Not saying it’s impossible, but it is certainly rare.

Basically just i would like to know if this situation would shows up,would it be dangerous?

 

[Rockingit]

Just thinking this through.... not sure how that would work? Logically if they're in the same box then the CPC would be common. Would make more sense to have one RCD upstream of the split to two branches.

 

[Streetwear87]

Just thinking this through.... not sure how that would work? Logically if they're in the same box then the CPC would be common. Would make more sense to have one RCD upstream of the split to two branches.

Yes exactly.but what do you think,use as it now could be dangerous if this scenario shows up?

 

[westward10]

You need to give more info are these two three phase circuits or two single phase.

 

[Streetwear87]

You need to give more info are these two three phase circuits or two single phase.

Two 3phase circuit.

 

[westward10]

So I ask again is the unit set up for separate supplies.

 

[Streetwear87]

So I ask again is the unit set up for separate supplies.

I already told you 2 times.the unit is feed from 2 separate supplies.

 

[DPG]

I already told you 2 times.the unit is feed from 2 separate supplies.

That is not what you were asked. Is the unit designed to be used with 2 separate supplies?

 

[James]

We understand that you are feeding or intending to feed it with 2 supplies, what we don’t know is if the appliance was designed to accept 2 separate supplies or if you are trying to make it work outside of the manufacturers installation instructions.

 

[Streetwear87]

That is not what you were asked. Is the unit designed to be used with 2 separate supplies?

Yes it is.but it is not my question.lets forget this unit.just think about what would be happen in this case?

 

[Streetwear87]

We understand that you are feeding or intending to feed it with 2 supplies, what we don’t know is if the appliance was designed to accept 2 separate supplies or if you are trying to make it work outside of the manufacturers installation instructions.

Its designed to be feeded from 2 deparate supplies