Paano mag Compute ng Magnetic Contactor Size | circuit breaker/fuse | size of wire- thermal overload

Computation for sizing of magnetic contactor, circuit breaker/fuse, size of conductor and overload relay setting for a motor controller in single phase and 3 phase power supply | Tagalog tutorial
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• Video

[@simpaticovlog4743]

Mag kaiba po ang FLC at FLA
FLC po makikita sa table sa PEC yan po gagamitin sa pag kuha ng size of wire (FLC x 1.25)( FLC x 2.5) nmn po sa CB.FLA po gamit sa pag kuha ng OL FLA a makikita sa name plate of the motor

[@LocalElectricianPH]

Salamat sa Inputs Sir 👍👍

[@arindar4310]

boss bkt po napansin ko maliit lng nag wire compara sa rating ng CB??

[@LocalElectricianPH]

Ito po sagot Sir. New video natin czcams.com/video/icOiQXh6D3E/video.html

[@TeamArVes]

@@LocalElectricianPH No offense sir Working naman sir yung computation nyo good job and it will work sa real situation pero base sa PEC FLC ang ginagamit sa computation sa Size ng Wire and inverse time CB

[@LocalElectricianPH]

@TeamArVes ues Sir FLC po talaga lalo pag planning and designing Sir kasi d pa ho kita ang actual nameplate ng motor..pero f meron napong nameplate Sir. Pwedi po mg refer sa nameplate. Since ito naman po ay tanggap internationally ay nka saad dn po sa PEC na internatinal standards may use

[@moromagstv6295]

Napakalinaw ng computations thanknyou for sharing kapatid

[@LocalElectricianPH]

Salamat lods. Puntahan ko din bakuran mo😊

[@aveghellavandero4447]

Marami rin ako natutunan sa mga video nyo thank you sir

[@LocalElectricianPH]

Salamat sa panonood sir

[@gonfrics3157]

Thanks nang marami mAster...

[@LocalElectricianPH]

Welcome po

[@jomarbelludo9704]

Salamat master

[@helcurtbulatao1625]

ayus yan boss

[@LocalElectricianPH]

Salamat po

[@bobbymanerbandilla5110]

Salamat sir gets kuna

[@LocalElectricianPH]

Welcome po

[@felixalburo622]

thank you sir

[@LocalElectricianPH]

👍👍

[@junexcuarentas8519]

Salamat boss

[@LocalElectricianPH]

Welcome po

[@HariHari-jr5pg]

ISATISFIED VERY MUUCH. THANK YOU .BUT GIVE THE DETAIL FOR DOL & ATS& RRS STARTERS.

[@jmtolentino6397]

yung FLA sa contactor ng main ng 3 phase na dinivide na sa 1.732 para makuha didivide mo ulit sa 1.732? (multiplied by 58% same as 1/1.732)

[@dibgrol5759]

Nice video very informative, base on motor nameplate aling voltage ang ggamitin pg compute, yung 230v or yung 380v? Sana masagut lodi Thanks

[@LocalElectricianPH]

Better use.voltage rated in motor nameplate sir

[@mhelvinmanalo3140]

Sir,baka pwede gawa rin kayo ng tamang pag compute ng capacitor pag singe phase motor,ty

[@arnilbardelosa2451]

FLA is being used for thermal overload computation, FLC you need to check the PEC for Cable and CB computation fyi..

[@LocalElectricianPH]

💟💟

[@dayveaguilar8638]

Ung mga formula and computation mo sir Naka base yan sa Philippine electrical code thanks

[@LocalElectricianPH]

Actual ratings at ohms law lang yan sir. Pero meron nka pin comment article sa PEC sir kung saan mo makikita ang standard flc rating.

[@genrosetvchannel6914]

Sir suggestion lang Po dapat may PEC refference table po kayo para hindi po malilito ang mga beginers.

[@LocalElectricianPH]

Salamat sa inputs sir.

[@genrosetvchannel6914]

Salamat din Po Sir.GOD BLESS🙏🙏🙏🙏

[@helcurtbulatao1625]

mejo nguluhan ako sa equation nkbraket ung devisor

[@johnwilliampolicarpio]

Correct me If im wrong db yung FLA ay karaniwan nasa nameplate nman sya at yung FLC naman nya nasa PEC book

[@LocalElectricianPH]

Yes sir. FLA ay nasa name plate po ng motor at ang resulta ng actual test ng ibat ibang manufacturer sir.

[@ryanraybusoy422]

Hi sir .. good tutorial.. hoping and praying na marami pa Po kayung matulongan....
Tanong ko lang Po ..always Po ba .08 Ang power factor nag motor? Or nag depende Po sa electric motor?

[@LocalElectricianPH]

Dependi po yan Sir..makikita nyo yan sa name plate

[@JoseLeslieMontecillo]

Sir ano po reference natin at san po nang galing ang 58% for the main at delta contactor at 33% for the wye contactor? Thank you!

[@LocalElectricianPH]

Libro po Electric Motor Controllers

[@JoseLeslieMontecillo]

@@LocalElectricianPH Eto po ba yung kay sang-hoon kim?

[@animedc9903]

Sir tanong ko topic 3phase my nameplate motor naka lagay naman ampere mostly...FLA bayan nasa name plate?

[@LocalElectricianPH]

Yes nameplate FLA po

[@ryanraybusoy422]

Hi sir good evening...
Mabuhay Po kayu sana marami pa Po kayung ma eturo sa kagaya namin na nag sisimula....
May tanong lang ako sir..dba Ang
Answer nang 100% x FLA
100% x 29.9
Convert to decimal Ang 100%
So .100 x 29.9 = 2.99
Or 1.0 x 29.9? Yan Po ba?

[@LocalElectricianPH]

Hindi Sir...100% ng 29.9 is 29.9 dn..wag nyo na po e convert kasicyun napo yon

[@ryanraybusoy422]

@@LocalElectricianPH ahh ok ..salamat po ....Isa Po ako sa subscriber nyo Po.....
Last question Po .san Po makikita ag amperes nang Isang magnetic contractor?

[@LocalElectricianPH]

Nasa gilid meron yan nkalagay specs

[@LocalElectricianPH]

Or sa box pag bibili ka

[@ryanraybusoy422]

@@LocalElectricianPH ahh ok sir Akala ko may computation din....thanks Po godbless 🙏 more blessings Po..

[@xxsuperacerxx]

Sir tanong ko lang po saan po reference ninyo ng table po ninyo? Curios lang po sir

[@LocalElectricianPH]

Yan po ay base sa actual formula Sir. Meron din pong standard FLC ratings sa PEC nasa article 4.30.14.2 up to 4

[@jeromecarullo66]

Baliktad computation mo sa nontime and time delay fuse.

[@bobbymanerbandilla5110]

Sir sa nkuha Yung 167

[@LocalElectricianPH]

🫅🫅

[@engr.mathik1392]

Sana may reference kayo sa PEC.

[@LocalElectricianPH]

Salamat sa payo Sir.

[@HariHari-jr5pg]

MAGNETIC CONTACTOR SIZING FOR DOL AND ATS STARTERS

[@busraahmed1708]

please english subtitle

[@Creator-ux9uf]

san mo kinuha ang 167 boss?

[@jaicabiais2736]

Voltage x p.f x efficiency

[@LocalElectricianPH]

👍👍

[@aveghellavandero4447]

Yan din poh ba ang formula sa multiple motor example sa ricemill

[@LocalElectricianPH]

Yes sir f individual..pero f multiple tapus my main breaker kayu. Iba po computation ng main feeder

[@aveghellavandero4447]

Pwedi poh maggawa poh kau video kasi sa ricemill may 2 main breaker ung 1st breaker malaki ung 2 breaker ma's maliit NG kaunti. All motor nasa 300hp kung minsan lahat lahat ang hp NG mga motor

[@LocalElectricianPH]

Anong control po gamit nyo sir. Soft starter?

[@alterlaroza6503]

Good day sir, ilang amps po ng C.B. , magnetic contactor at overload relay po ang pwedeng gamitin sa 1 HP na motor? Thanks in advance po sir.

[@LocalElectricianPH]

20A po cb mc...o.l 6 to 8A

[@alterlaroza6503]

@@LocalElectricianPH sam current po ang MC at CB? Tama po ba pagkakaintindi ko sir?

[@alterlaroza6503]

@@LocalElectricianPH thank you po ulit sir sa pagreply, dami ko po natututunan sa mga vdeos mo.

[@LocalElectricianPH]

Yes po

[@LocalElectricianPH]

Welcome po

[@jhonemmirabuenos1490]

Paano po e compute ang wire size ng auxilliary contact?

[@LocalElectricianPH]

Control ckt. Use #16 awg

[@jhonemmirabuenos1490]

Thank you po sir.

[@LocalElectricianPH]

Welcome po

[@jumelnonod6849]

Master tanung q lang po..may control po ung motor namin ng isang start stop n panel..saka isang wye delta n panel..saan po kabilang un sa delay po ba o non delay or sa CB?

[@LocalElectricianPH]

Y8ng wye delta po sir ang may delay. Sa transistion from wye to delta. Nasa 2 to 4 sec difference

[@lofttakobetv1018]

Paturo naman mag wiring ng wixim mc with ol para sa float switch.. mahirap Kasi sundan wiring mo dun sa isang video using fuji mc

[@lofttakobetv1018]

Step by step video Sana ng actual wiring di yung explanation lang at drawing

[@LocalElectricianPH]

Pa message sa fb page sir. Explain ko sayo doon😊

[@lofttakobetv1018]

@@LocalElectricianPH ano po fb mo sir?

[@LocalElectricianPH]

Electricians Guide

[@gearupracing5588]

Boss ano po amp pwede gamitin na contactor sa 10hp motor phase converter at ilang mfd na capacitor po gagamitin. Salamat

[@LocalElectricianPH]

60 amps po. To 100amps

[@junexcuarentas8519]

Sir paanu malaman ang tamang overload para sa isang motor example po sir.fla ng motor ay 3.58.

[@LocalElectricianPH]

70% to 115% ng FLA Sir

[@wildfangs-tv8637]

naiba na master explanation mo 3years after netong video mo about sa wye delta connection,naging Overload relay setting= FLA x 125%(maximum) or 115%(minimum)

[@LocalElectricianPH]

125% to 140% payan Sir max dependi sa load and sa minimum naman kahit up to 70% basta di lng mg trip ang pwedi naman po...

[@benjohntombado4960]

Pano naman sir pag compute ng required current rating ng time delay relay?

[@LocalElectricianPH]

Time delay fuse po yata nasa video Sir...para saan po gagamitin ang time delay relay?

[@benjohntombado4960]

@@LocalElectricianPH on delay ng automatic pump motor after blackout sir

[@LocalElectricianPH]

@benjohntombado4960 controls lng naman po ang time delay Sir..as is napo ang computation sa motor power coonections and supply..meron ako video sa channel playlist about time delay controller sir pki visit lng po

[@benjohntombado4960]

@@LocalElectricianPH bale pag sa control circuit yung aux. contacts nya di sya affected ng FLA ng motor?

[@LocalElectricianPH]

@benjohntombado4960 di po..power circuit lng ang apectado ng FLA n syang recta ng switch ng motor..ang control ckt mga coil ng contactor at relay at indicator lamps lng load nyan

[@kalikotpangmasa301]

Ano Po Ang gagamitin na magnetic contactor (ampheres)sa walong ilaw na halogen 4,000watts Ang isa

[@LocalElectricianPH]

150A pataas po

[@bobbymanerbandilla5110]

Sir San Po b yang 8.0 para sa Fedder Po b Yan o papunta sa load

[@LocalElectricianPH]

Nka indicate po sa video Sir. Paki tapos po

[@karmich8648]

Sir panu b malalaman yong isang device kung motor load kpag b may horsepower yon yong babasihan para malaman kung motor load

[@LocalElectricianPH]

Yes po..sa hp po tayo mag base f anong size ng wirr gagamitin..at amperahe na kailangan para sa contactors at breakers po

[@karmich8648]

Kpag may horse power ibig sabihin motorload sya.. Salamats po..

[@LocalElectricianPH]

@karmich8648 Sir..horsepower or watts or kilowatts same lang naman po yan Sir..unit ng Power parin yan..1 hp is 746 watts...1 kw is 1000 watts

[@jovindejesus8076]

Saan po nakuha Yun 499.6 n sagot?

[@LocalElectricianPH]

Sa formula po natin Sir.

[@senpaikai278]

Master, okay lng ba 7kw booster pump, gamitan ko ng magnetic relay 10A for interlocking controls bukod pa po yung magnetic contactor.

[@LocalElectricianPH]

3 phase po ba? Maliit yan sir

[@senpaikai278]

@@LocalElectricianPH opo master 3phase 220v 19.8FLA booster pump, bale alternate yung dalawang booster pump. Kailangan kasi ng relay for interlocking, mga ilang ampere po ba ng relay ang kailangan?

[@LocalElectricianPH]

Ahh ok po..kaya n nyan 10 amps for interlocking sir.

[@senpaikai278]

@@LocalElectricianPH sige master maraming salamat po

[@senpaikai278]

Akala ko kasi if anong rating ng magnetic contactor eh ganun din sa magnetic relay.

[@zaldybuenaobra1781]

Idol tanong ko lng po saan po b gling Yung 167?

[@LocalElectricianPH]

Follow po formula Sir.

[@zaldybuenaobra1781]

@@LocalElectricianPH slmat idol sa sagot

[@markjoeydavid7992]

Sir question lang po. Bale po sa unang part ng presentation nyo po, ang computed wire/conductor size is 8.0 na nasa 40 - 50amps rating tapos po ang computed fuse/cb ay nasa 70 plus. Okay lang po ba na undesize ang wire?

[@LocalElectricianPH]

Ang conductor sizing po kasi sir ay 125% ng full load current. Samantala ang cb o fuse po ay ng range ng 170% to 300%

[@bryanblanks8042]

AyOs.

[@LocalElectricianPH]

😊

[@eugeniogozon7440]

Sir, deep well water pump motor, 1/2hp 1-phase , SF 1.6 , SFA 5.3 at 230V. Paano malaman ang FLA?

[@LocalElectricianPH]

Pwedi nyo po w base sa nameplate or base sa PEC table po

[@eugeniogozon7440]

May link po ba kayo sa PEC table? Walang FLA sa nameplate.

[@LocalElectricianPH]

@eugeniogozon7440 pm po sa fb page sir

[@kilogrammountain3453]

Boss tanung lang po halimbawa may gagawin ako start stop DOL tapos gusto ko sya lgyan ng breaker para maging safe yung mga contactor coil mga ilang amps po ang kailangan na breaker para sa control at panu po malalan kung ilan yung amp ng isang contacto coil

[@LocalElectricianPH]

Hindi po kasi given ang amperahe sa coil kung gusto nyo po malaman. Pwedi nyo po sukatin amperahe ng controls nyo sir. Gamit ang clampmeter tpus jan napo kau mg base ng breaker size

[@kilogrammountain3453]

@@LocalElectricianPH ah ok posir slamat sa idea

[@LocalElectricianPH]

Welcome po

[@dynamokingtv6144]

Boss magandang araw, ang 2hp 230v single phase 9.4amps, max load 12.9amps na waterpump boss ano kaya pwede gamitin na ampere ng contactor at overload, di kase ako marunong mag compute..

[@LocalElectricianPH]

20A or up contactor. 9 to 12A overload relay

[@dynamokingtv6144]

@@LocalElectricianPH salamat boss..

[@LocalElectricianPH]

Welcome po

[@jasperlacap3481]

Sir...
Yung overload relay po ba ng 3 phase motor is Min(70%) and Max(125%) parin po ba ng Main Contactor na 58% of FLA?
Example :
19.01 yung FLA so ang Main contactor is 11A dahil 58% lang sya ng FLA.
Mag babase po ba yung Min70% and Max125% ng Overload relay sa 19.01A or sa 11A?
Salamat po.

[@LocalElectricianPH]

70% ng 19A po Sir. Hindi ng MC

[@jameszamora2499]

Sir question lang po.
Saan po magbabase ng full load current kapag may Service Factor(SF) po na 1.15 sa nameplate ng motor (Computation po for Circuit Breaker)
Ex:
At 15 hp, 230 V, 3 phase motor
IFL= 41.6 A
IFL with SF = 47.84 A
Alin po gamitin ko sa kanila sa pag multiply po ng 250%?
Thank you in advance, Sir. ⚡

[@LocalElectricianPH]

42A po ang flc ng 15hp base sa PEC Sir. ..so pasok jan ang nasa nameplate na 41.6A

[@paulosalenga34]

Panu po kunin ung efficiency.?

[@LocalElectricianPH]

Output/inputx100

[@paulosalenga34]

@@LocalElectricianPH saan nman po mkikita ung input output.?

[@LocalElectricianPH]

Power po in watts..nasa name plate ng motor. Convert hp to watts

[@paulosalenga34]

@@LocalElectricianPH salamat po kita ko na po..😊

[@paulosalenga34]

Ang hp ng motor ko ay 30hp ang kw po kw po ay 22 ang nkuha ko pong efficiency ay 1017 tama po ba.?

[@leonardoso4301]

Sir San po nakuha ang 167? 220/167? And .8 and 95%... ty

[@LocalElectricianPH]

Nasa formula po Sir..paki sundan lang po.

[@kentlybaguin.eteeap7434]

Sir sa Sizing ng Conductor diba FLC Dapat as per NEC 430,22

[@LocalElectricianPH]

Yes po. Yan po gamit natin same lang dn. PEC version Sir.

[@jaicabiais2736]

PEC table 3.10.1.16

[@LocalElectricianPH]

👍👍👍

[@guitarone71]

Sa single phase section sir 8.0mm ang wire which is 40ampacity pero sa CB is 80Ampere. Ok lang ba yun sir undersize ang wire na 8.0mm sa 80amp breaker?

[@LocalElectricianPH]

Delicado yan sa sunog sir. Dapat po match

[@guitarone71]

@@LocalElectricianPH Ah so lahat ng computation ang wire size sa motor control naka match lang sa CB tama ba sir?

[@LocalElectricianPH]

Match sa wire. cb. at full load current ng motor sir

[@guitarone71]

@@LocalElectricianPH Ok sir mali lang ako pagkakaintindi sa video. maraming salamat

[@humbeym9069]

@@guitarone71 tama ka po sir, okey lang po na #8 ang wire mo at 80amps ang breaker kase nga kaya mataas ang breaker para hindi mag trip kase may starting current tapos after ilang seconds mag nonormal na ang current kaya kayang ihandle ng #8 na wire ang running current

[@janjanboquia6738]

Sir pano po mag determine ng wire size na gagamitin sa control circuit.,? Ano po formula?

[@LocalElectricianPH]

Ohms law sir. Meron po tayo video nya nasa playlist po

[@LocalElectricianPH]

Ohms law sir. Meron po tayo video nya nasa playlist po

[@janjanboquia6738]

Penge link sir di ko mahanap

[@LocalElectricianPH]

czcams.com/video/RMehgRja8bE/video.html ito po

[@mikelife714]

master plano ko mag run ng 50 units 3000w each kakayanin ba ng residential to? any tips

[@LocalElectricianPH]

Yes sir. Gamit lng po kau ng magnetic contactor na higher sa 3000 w ang capacity sir

[@mikelife714]

@@LocalElectricianPH kahit ilang unit po sir? bale sa 50 units po sir, gamit lang po ako ng tigiisang magnetic contactor na may 3000w capacity? di naman po 3000w yung unit exacto nasa 2600w lang po

[@mikelife714]

kaya po yung nung entrance wiring from post to metro kahit ilang unit sir?

[@LocalElectricianPH]

Pwedi naman po sir kaso napaka laking load po nyan. Kailangan nyo po mag palit ng service entrance conductor. Mas mainam po ipa compute nyo lng po sa regìstered electrical engineer sir para sure at safe sir

[@LocalElectricianPH]

Hindi sir number 8 lng po yan sa minimum residential service entrance up to 32 amps lng po kaya nyan..yong sinasabi nyo sir ay aabot yun ng up to 652 amps

[@btmachinist6085]

Sir ano po size ng contactor saka thermal relay para sa motor na 2.2kw

[@LocalElectricianPH]

50 amps MC.. 18 amps O.L relay

[@LocalElectricianPH]

50 amps MC.. 18 amps O.L relay

[@btmachinist6085]

@@LocalElectricianPH maraming salamat sir sa info..Godbless po

[@LocalElectricianPH]

Welcome po

[@ricafordvestidas3709]

Ask lg sir nka depende pla sir ang size nang breaker protection sa type nang breaker.ask lg sir ang miniature circuit breaker po ilang percent po sya at saan sa na belong sa time delay,non time delay or normal cb lg ba?salamat sir sana matugunan mo.😊

[@LocalElectricianPH]

Miniature cb at cb ay same lng yan Sir 250% pinagkaiba lng ng miniature ay hqnggang 100A png pinaka mataas nyan..

[@mecoulyssescumpio9145]

Mayron Ng 125A mcb Po sir

[@LocalElectricianPH]

100A lng po max ng mcb

[@ricafordvestidas3709]

​@@LocalElectricianPHsir ask lg po about wye delta starter ang pag sizzing nang breaker nya same D.O.L parin ba applications sir?thank you po sa pagsagot sir.

[@LocalElectricianPH]

Hindi po..3 phase kc wye delta. Kalimitan sa dol 1 ph

[@hatchiretchi1955]

idol pwede po patulong, ilang ampere po ba yung magnetic contactor para sa 2hp na motor? Paano po e calculate yun master? At pwede po oa example idol Salamat po 🙏

[@LocalElectricianPH]

Single phase po ba?

[@hatchiretchi1955]

@@LocalElectricianPH opo idol?

[@LocalElectricianPH]

25 amps

[@hatchiretchi1955]

@@LocalElectricianPH pwede pahingi example idol kung paano?

[@LocalElectricianPH]

Message sa fb page sir

[@shadshad2851]

paano nakuha ang 499.62 sa 3phase kasi compute ko mali man dimo kasi sinasabi kung paano nakuha

[@LocalElectricianPH]

Nasa formula po Sir.

[@jeffersonacosta6030]

sir Hindi ko gets San galing Ang 499.62 sir sa 3phase

[@jovindejesus8076]

Tama saan nakuha Yun 499.6

[@jonathantalirongan3830]

Boss saan kinuha ang 167?

[@LocalElectricianPH]

Voltage×pf×eff

[@jonathantalirongan3830]

Ahh ok salamat sir

[@joristylegaspi9413]

San galing yung 167 sir

[@LocalElectricianPH]

Voltage x power factor x efficiency

[@jhunanario6075]

Sir sorry paano naging 167 ang sagot

[@LocalElectricianPH]

V x P.f x Eff. po

[@bambi7872]

Anong nangyari Dyan 14 amp lang Ang gagamitin na contactor sa 10 HP na motor sunog Yan gaya Ng sa air compressor 10 HP Ang nakakabit 35 amp...paki sagot po

[@LocalElectricianPH]

Iba po kasi computation ng single phase at 3 phase Sir

[@jessiejalimbawa9966]

I=5000/220v*.8*.95 = 17.5 po lumalabas sken bakit po ganun

[@LocalElectricianPH]

Mulriply po muna bago divide

[@Korn-7005]

Sir mali po yung sequence ng computation nyo ng FLA...i-apply nyo po yung PEMDAS iba po yung magiging resulta ng sagot...salamat😊

[@LocalElectricianPH]

Salamat lods.

[@rhadcliff5556]

Parang wala namang mali.

[@Korn-7005]

@@rhadcliff5556 sir pansinin mo yung ginamit n symbol ( / ) slash represent division pr P/V dapat (----) fraction n symbol pr P
_______
V x pfxn

[@Korn-7005]

Dahil kung PEMDAS yung i-aapply natin una mong idi-divide yung P/V kasunod yung multiplication

[@Korn-7005]

Dahil yung division ay ns left side

[@jessiejalimbawa9966]

hindi po lumalabas 167

[@LocalElectricianPH]

Multiply po muna bago divide