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 3 phase installation

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SUSsdin3269
post Apr 10 2021, 05:37 PM, updated 5y ago

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How much that will be to install and will the electricity will be cheaper. TS have 4 AC, takut macam overload?
ikankering
post Apr 10 2021, 05:39 PM

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my banglo.

pay 3k to upgrade
haturaya
post Apr 10 2021, 05:40 PM

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QUOTE(sdin3269 @ Apr 10 2021, 05:37 PM)
How much that will be to install and will the electricity will be cheaper. TS have 4 AC, takut macam overload?
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4 AC still less than 60A (single phase max) whistling.gif
SUSgogo2
post Apr 10 2021, 05:53 PM

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I want to install 3 phase also. Ready for electric vehicle.
SUSsdin3269
post Apr 10 2021, 06:01 PM

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QUOTE(haturaya @ Apr 10 2021, 05:40 PM)
4 AC still less than 60A (single phase max) whistling.gif
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not incl. dryer, 2 x fridge, 2 TV (1 x75 inch TV guy yawn.gif ) , plus other house hold. My worry when dryer run with all AC concurrently. That day sudah kena main main switch burnt rclxub.gif

And now another for my son hybrid car... when he at my house.

This post has been edited by sdin3269: Apr 10 2021, 06:07 PM
acbc
post Apr 10 2021, 06:03 PM

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I'm on 3P with 5 AC, 2 fridge, 1 washing machine & 7 computers running 24*7. Bill comes to RM 600 monthly.
iZuDeeN
post Apr 10 2021, 06:04 PM

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if 3 phase make sure the 4 A/C distributed among the 3 ; not just on single-phase... else its unbalanced....

even 4 ac on single phase no issue.. just make sure its DIRECT to MCB.. not to the existing wall switch/plug ... only use wall switch for 1hp and below...
SUSsdin3269
post Apr 10 2021, 06:05 PM

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QUOTE(iZuDeeN @ Apr 10 2021, 06:04 PM)
if 3 phase make sure the 4 A/C distributed among the 3 ; not just on single-phase... else its unbalanced....

even 4 ac on single phase no issue.. just make sure its DIRECT to MCB.. not to the existing wall switch/plug ... only use wall switch for 1hp and below...
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Noted thumbsup.gif

You mean AC direct from MCB?

This post has been edited by sdin3269: Apr 10 2021, 06:07 PM
SouthernAllStar
post Apr 10 2021, 06:10 PM

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QUOTE(sdin3269 @ Apr 10 2021, 05:37 PM)
How much that will be to install and will the electricity will be cheaper. TS have 4 AC, takut macam overload?
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Single phase max load can be up to 14kw.

if let say even u use 4 2hp AC that's only 6.4kw load. then also depend on how you use your appliances.
fireballs
post Apr 10 2021, 06:14 PM

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normal 1hp ac is only 2-3amps (check the label at the side of your ac)

you can have many many aircon running at the same time.
SUSrtk74
post Apr 10 2021, 06:20 PM

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QUOTE(haturaya @ Apr 10 2021, 05:40 PM)
4 AC still less than 60A (single phase max) whistling.gif
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QUOTE(acbc @ Apr 10 2021, 06:03 PM)
I'm on 3P with 5 AC, 2 fridge, 1 washing machine & 7 computers running 24*7. Bill comes to RM 600 monthly.
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My place kenot 1 phase, AC already 8 most are 1.5 or 2 HP. Water heater also have 5 ady

Fridge don't take much power though.... less than 1kW for 2

This post has been edited by rtk74: Apr 10 2021, 06:37 PM
shirohamada
post Apr 10 2021, 06:21 PM

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Cheaper?
Lol no
SUSsdin3269
post Apr 10 2021, 06:26 PM

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QUOTE(rtk74 @ Apr 10 2021, 06:20 PM)
My place kenot, AC already 8 most are 1.5 or 2 HP. Water heater also have 5 ady

Fridge don't take much power though.... less than 1kW for 2
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Hmm buy my MCB kaput for overload, TNB advice to change to 3 phase.
SUSslimey
post Apr 10 2021, 06:30 PM


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QUOTE(sdin3269 @ Apr 10 2021, 05:37 PM)
How much that will be to install and will the electricity will be cheaper. TS have 4 AC, takut macam overload?
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electricity will not be cheaper
BronzePlate
post Apr 10 2021, 06:30 PM

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A good read.


https://www.recommend.my/blog/malaysia-house-3-phase-wiring/
SUSslimey
post Apr 10 2021, 06:32 PM


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QUOTE(sdin3269 @ Apr 10 2021, 06:01 PM)
not incl. dryer, 2 x fridge, 2 TV  (1 x75 inch TV guy yawn.gif ) ,  plus other house hold. My worry when dryer run with all AC concurrently. That day sudah kena main main switch burnt  rclxub.gif

And now another for my son hybrid car... when he at my house.
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lel.......as if you on everything at the same time.

when mcb trip you know you over load a circuit la
yeapsc73
post Apr 10 2021, 06:32 PM

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QUOTE(sdin3269 @ Apr 10 2021, 05:37 PM)
How much that will be to install and will the electricity will be cheaper. TS have 4 AC, takut macam overload?
*
Electricity bill got nothing to do whether 3 phase or 1 phase

Of course if u think u got 3 phase then full blast your ac 24 7 then different story lah

This post has been edited by yeapsc73: Apr 10 2021, 06:34 PM
SUSrtk74
post Apr 10 2021, 06:36 PM

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QUOTE(sdin3269 @ Apr 10 2021, 06:26 PM)
Hmm buy my MCB kaput for overload, TNB advice to change to 3 phase.
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What I meant was my place we added 3 phase before we moved in. Kenot 1 phase due to too much stuff
iZuDeeN
post Apr 10 2021, 06:37 PM

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QUOTE(sdin3269 @ Apr 10 2021, 06:05 PM)
Noted thumbsup.gif

You mean AC direct from MCB?
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yes.. dedicated miniature circuit breaker... dont loop to other equipment

QUOTE(sdin3269 @ Apr 10 2021, 06:26 PM)
Hmm buy my MCB kaput for overload, TNB advice to change to 3 phase.
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tnb will always recommend 3phase.. they earn more.. remember each phase will have its own meter ; and it will add up these 3 for u to get ur bill...

hence its very difficult to reach the lowest tier unlike on single phase

its something you buy RM1mil insurance ; you pay for the high premium.. but will you ever hit your RM1mil hospitalization cost? maybe..or maybe not

similar.. will you max out your single phase? maybe or maybe not...
Sien99
post Apr 10 2021, 06:39 PM

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QUOTE(iZuDeeN @ Apr 10 2021, 06:37 PM)
yes.. dedicated miniature circuit breaker... dont loop to other equipment
tnb will always recommend 3phase.. they earn more.. remember each phase will have its own meter ; and it will add up these 3 for u to get ur bill...

hence its very difficult to reach the lowest tier unlike on single phase

its something you buy RM1mil insurance ; you pay for the high premium.. but will you ever hit your RM1mil hospitalization cost? maybe..or maybe not

similar.. will you max out your single phase? maybe or maybe not...
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Theoretically, you could bypass the tnb fuse, and won’t ever reach the max. Unless you draw so much that you blow the distribution fuse. But to do that you either making a reactor or something lol

This post has been edited by Sien99: Apr 10 2021, 06:40 PM

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