Download - Size of DOL Star Delta Starter Parts 10-6-13
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System Voltage 415 Volt
Phase 3 Phase 3
Type of Motor 3 Phase Induction
Motor Size 2 !P 14"#2 2
Motor $ode %
Motor &fficiency '(
Motor )PM 15
System P"* "'
%pplication of Motor Motor +oad in !ousehold %pplication
Place of Over Load Relay In the line ,Putting the o-erload .efore the motor/
Motor Torque / CurrentMotor )ated Tour0ue ,*ull +oad/ l.ft ,5252!p)PM/
Motor )ated Tour0ue ,*ull +oad/ #5 m ,#5678)PM/
Motor Starting Tor0ue 2'5 m
+oc9 )otor $urrent I+,Min/ 2' %mp
+oc9 )otor $urrent I+,Ma/ ' %mp
Motor Starting $urrent 1'2 %mp ,: to *ull +oad $urrent/
Motor *ull +oad $urrent ,+ine/ 26 %mp
Motor *ull +oad $urrent ,Phase/ 15 %mp
Fuse (As er !"C #$%&52'
onTime ;elay *use ,Ma/ ) %mp ,3 full +oad $urrent / 3
Time ;elay *use ,Ma/ #5 %mp ,1"5 full +oad $urrent / 2
C*rcu*t +rea,er (As er !"C #$%&52'
Instantaneous Trip $ircuit
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Contactor
Type of $ontactor AC
Ma9ing 8
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S7itching of &lectrical Incandescent +amp %$5. 1"5
S7itching of Transformer %$:a 12
S7itching of $apacitor
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11"2 12"4#
P 12"5 13"##
) 14 15"##
S 1: 1"##
T 1' 1#"##
H 2 22"3#V 22"4
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System Voltage 415 Volt
Phase 3 Phase 3
Type of Motor 3 Phase Induction
Motor Size 1 !P 1
Motor $ode %
Motor &fficiency 1(
Motor )PM :
System P"* "'
%pplication of Motor onInducti-e or Slightly Inducti-e B)esisti-e +oad
Place of Over Load Relay In the 7indings ,o-erload is placed after the Ainding Split in to main and delta $ontactor/
Motor -tart*n. / Full Load CurrentMotor )ated Tour0ue ,*ull +oad/ '' l.ft ,5252!p)PM/
Motor )ated Tour0ue 11# m ,#5678)PM/
Motor Starting Tor0ue 35: m
+oc9 )otor $urrent I+,Min/ 14 %mp
+oc9 )otor $urrent I+,Ma/ 44 %mp
Motor Starting $urrent 3# %mp ,3 *ull +oad $urrent/
Motor *ull +oad $urrent ,+ine/ 1$ %mp
Motor *ull +oad $urrent ,Phase/ %mp
Fuse (As er !"C #$%&52'
onTime ;elay *use ,Ma/ $ %mp ,3 full +oad $urrent / 3
Time ;elay *use ,Ma/ 2$ %mp ,1"5 full +oad $urrent / 2
C*rcu*t +rea,er (As er !"C #$%&52'
Instantaneous Trip $ircuit
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Contactor
Type of $ontactor AC1
Ma9ing 8
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Time ;ela *use onTime ;ela *useSingle Phase 3( 15(
Synchronous 3( 15(
Aound )otor 15( 15(
;irect $urrent 15( 15(
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Instantaneous Tri In-erse Time'( 25(
'( 25(
'( 15(
2( 15(
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ARRA!4"M"!T OF MA! CO!TACTOR A78LAR9 CO!TACTOR
MA! CO!TACTOR A78LAR9 CO!T"CTOR
1 !O 1 !C $!O : 1!C 1!O : 1!C
1 3 5 13 1 3 5 21 13 33 43 21 21 13
2 4 : 14 2 4 : 22 14 34 44 22 22 14
!O;1$&1# !C;21&22 !O;1$&1#< $$&$#< #$# !O;1$&1#
!C;21&22 !C;21&22
1 !O : 1!C 2 !O : 1!C 2!O : 2!C 1!O : 1!C
1 3 5 13 21 1 3 5 13 21 43 31 13 21 31 43 43 31
2 4 : 14 22 2 4 : 14 22 44 32 14 22 32 44 44 32
!O;1$&1# !O;1$&1#< #$# !O;1$&1#< #$# !O;#$#
!C;21&22 !C;21&22< $1&$2 !C;21&22< $1&$2 !C;$1&$2
2 !O : $!C 2 !O : 1!C 2!O : 2!C 2!O : 2!C
1 3 5 13 21 31 41 53 1 3 5 13 43 53 21 31 53 :1 1 '3 53 :1 1 '3
2 4 : 14 22 32 42 54 2 4 : 14 44 54 22 32 54 :2 2 '4 54 :2 2 '4
!O;1$&1#< 5$&5# !O;1$&1#< #$#< 5$&5# !O;5$&5#0 )$&)# !O;5$&5#< )$&)#
!C;21&22< $1&$2< #1 !C;21&22< $1&$2 !C;61&62< 1&2 !C;61&62< 1&2
2 !O : 2!C 1!O : $!C
1 3 5 13 21 31 43 13 21 31 41
2 4 : 14 22 32 44 14 22 32 42
!O;1$&1#< #$# !O;1$&1#
!C;21&22< $1&$2 !C;21&22< $1&$2< #1
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-7MMAR9 OF CO!TACTORMA! CO!TACTOR; 1&2< $< 5&6
!+; 9ou can eas*ly *dent*fy =>et>er Contactor *s !O < !C fro aove -uary
A78LAR9 CO!TACTOR; (!O' ;1$&1#< $$&$#< #$#< 5$&5#< )$&)#
A78LAR9 CO!TACTOR; (!C' ; 21&22< $1&$2< #1< 61&62< 1&2