there is no barang elektrik that use 3phase...

if a house use 3phase it will split trough the house... 1phase max 4ac with fride, etc...etc...

i know, my house use 3phase

Please see page 1 but after mechanical engineer will come ketuk you .....say " what's wrong with one phase?"

This post has been edited by idoblu: Dec 26 2016, 09:53 AM

hmm...that must be a very big house that load exceed 50A

im no electrical engineer but i do a rough calculation. with the label on aircond compressor.

you need to run like duno how many aircond it only exceed 50A. base on 2HP AC

means his DB box there all those circuit breakers thing isn't rated for that high load

in constant high load that exceed the capability of the switch/breaker creates heat.

thats what happen to my house.

2nd it have nothing to do with single phase.

I got all 5 start same time no trip

1 phase 63 Amp is more than enough

Let anyone come ketuk lah.

easy to exceed for induction stove user. Example this 3zone hob consumes 32a peak.

http://www.hoekee.com.sg/p-1659-3zoneinduc...hobti1028b.html

paste sticker will do

Single phase 100amp can easily support 4 AC

But got money better over kill it with 3 phase since we do not know your actual usage or intended HP of AC

rite...now you are findding ways to exceed it

isn't normal household single phase is about 63amps?

just have a check on my house safety switch and is rated 63amps

my record were

2 x 1.5hp and 2 x 1hp running at the same time + on heater for 15minutes.

plus some gadget charging and my desktop

eh bro, what's the different between 3 phase and single phase?

Yeah, usual is single phase 60amp

But now got single phase 100amp

Mine is 100amp, single phase.

AC 6 biji all ok.

breakdown assuming using Acson aircond (the booklet just beside me).

1HP = running Amp = 4A
1.5HP = running Amp = 6A
2 HP = running Amp = 10A

total aircond running Current = 26A.

if you factor in fridge, cooker, iron, water heater confirm around 15A. very high possibility will trip if you currently on 40A main breaker

Your breaker size if 40A, then recommended to change to 3 phase 400V. (overall cost confirm more than 3k cause you need to change the whole incoming wiring and pay expensive fee to TNB for upgrading)

NOT RECOMMENDED TO CHANGE TO 60A Single phase breaker unless you double cheek the cable size is sufficient. ( I know some contractor especially aircond will ask you do like this but better not to take the risk)

If your breaker is currently using 60A SP. then should be sufficient

total 6HP =5kW

3 phase 60A and 1 Phase 60A have big difference bro

3 Phase 60A can take in at least double the electrical load

This post has been edited by squarepilot: Dec 26 2016, 11:02 PM

depends. some use 40Amp breaker.

those using 100A single phase breaker is bull shit. TNB where got 100A SP Meter? Max they give you is 60A SP meter only. 3 phase 100 CT meter got la

This.



Only bungalow/semi D need 3 phase for future proof.

Impressive 3 stove switched on at the same time.

careful on that. if TS using 40A breaker size i can confirm GG will trip anytime.

60A should be no problem.

This!

It is the cables that will burn and create fire hazards.

Yes, can support 4 x 2hp aircond but what else is in the house?

It is cheaper to upgrade or get proper electrician to check on the wires and loading then burn the home down.