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How To Wire A 2.3kilowatt C.a.t. Brand Oven


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Posted

Index sold mrs an oven hob and fan set

Oven has only 3 thick wires.

Whtas the best plug and any suppliers up North I am in rural C Rai but visit M Sai and C Mai often

Posted

You might want to check and see if that oven is 3-phase or not. 3 thick wires sounds suspect. If not then Amorn in Chiangmai should have what you need. Don't know if CR has a branch or not.

Posted

Three wires will be Phase, Neutral and Earth. If it were 3 phase i would expect it to have 4 wires.

Should use a 20 amp plug to wall and minimum 1.5mm copper wire to fuse board.

Posted (edited)

Check the labelling on the connectors, likely L, N & E, Live Neutral and Earth. They may be coloured Red or Brown (live), Blue or Black (neutral) and Green or Green/Yellow (earth), colour codes here http://www.crossy.co.uk/wiring/colour%20codes.html

The oven nominally will draw 10.5A or thereabouts so it could be plugged into a regular outlet.

BUT!

IMHO it's best to wire direct to its own 20A breaker, use a minimum of 2.5mm2 cable for this purpose, 1.5mm2, whilst rated at 15A is marginal in the high ambient temperatures here.

NOTE If your hob is electric it is going to need a rather bigger supply than 20A, check the rating plate before installing anything :o

Edited by Crossy
Posted
Check the labelling on the connectors, likely L, N & E, Live Neutral and Earth. They may be coloured Red or Brown (live), Blue or Black (neutral) and green or green/yellow (earth), colour codes here http://www.crossy.co.uk/wiring/colour%20codes.html

The oven nominally will draw 10.5A or thereabouts so it could be plugged into a regular outlet.

BUT!

IMHO it's best to wire direct to its own 20A breaker, use a minimum of 2.5mm2 cable for this purpose, 1.5mm2, whilst rated at 15A is marginal in the high ambient temperatures here.

NOTE If your hob is electric it is going to need a MUCH bigger supply than 20A, check the rating plate before installing anything :o

Thanks for pointing out ambient temperature..... Not something I ever considered living so close to Antarctica... lol

Cheers Crossy

Posted

As the hob is also 4 electric rings we have done a seperate 30 amp circuit to the breaker on the board.

I hope to find a suitable plug,as nearly all high rated Thai appliances inc hob come with a sealed plug unit

Thank everyone for your inputs

A supplier in C Rai would be helpful.

Posted
As the hob is also 4 electric rings we have done a seperate 30 amp circuit to the breaker on the board.

I hope to find a suitable plug,as nearly all high rated Thai appliances inc hob come with a sealed plug unit

Thank everyone for your inputs

A supplier in C Rai would be helpful.

If your units have plugs, please post photos so we can determine the types and availability of suitable outlets in Thailand.

But I still recommend direct wiring rather than plug/socket connections, your oven can share the supply you've got for the hob if it's near enough.

  • 2 weeks later...
Posted

I agree with Crossy. Try to avoid a plug & socket in this situation. I would install a 20 amp National Breaker under the hob someplace & wire to that. Just twist the grounds together & use wire nut or equiv.

Posted
Three wires will be Phase, Neutral and Earth. If it were 3 phase i would expect it to have 4 wires.

Should use a 20 amp plug to wall and minimum 1.5mm copper wire to fuse board.

Yes you right 3 Phase has 4 wires I am not an electrician but I never seen 3 phase with just 3 wires. All my machines back in OZ had 3 phase and they had a minimum of 4 to 5 wires.
Posted

As I mentioned before I am not an expert on electrical things but I always thought 3 phase needs to have a current of 440 volts not just 220 volts. :o

Posted
Yes you right 3 Phase has 4 wires I am not an electrician but I never seen 3 phase with just 3 wires. All my machines back in OZ had 3 phase and they had a minimum of 4 to 5 wires.

That is correct and I misspoke myself in my previous post. Normally it would be RSTN for commercial/domestic appliances. Some industrial applications may use only RST. I had just finished a 3 phase 200 amp rectifier design which only requires RST and neutral is not needed. Late night. :o

Also 220/380 volts is three phase in Thailand.

Posted

If you are right that the total is 2.3 kW.

Multiply by 1000 = 2300 watt divide by 230 volt (split the difference) = 10 amps. Not a super high load. I would want 4 mm wires running back to my load center. I would not use a plug at all. Hard wire it.

You did add an oven in the body of your post.

Find out the total combined maximum wattage & wire accordingly. Hob + Oven + Exhaust Fan

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