Page 272 - Motor_protection_and_control_Manual_motor_starters_ contactors

Star-delta starters protected by overload relays

With AF contactors - Open type version in kit form
Wiring diagrams with TEF4-ON timer

Star-delta starters
Power circuit AC or DC local control with TEF4-ON timer
Uc = 24...240 V 50/60 Hz or DC
KM3:5/L3
RESET A
Us M 95
96 FR1
STOP
1/L1 3/L2 5/L3 1/L1 3/L2 5/L3 1/L1 3/L2 5/L3
A1 A1 A1
KM1 KM3 KM2
.3
A2 A2 A2 KM1 I
2/T1 4/T2 6/T3 2/T1 4/T2 6/T3 2/T1 4/T2 6/T3 .4
A
RESET .3
5 M 95 97 KM2
FR1 .4
TEST 96 98
STOP 2/T1 4/T2 6/T3 KT1 55
With 56
TEF4-ON VEM4 With VM
W1 W2 A1 A1 21 21
V1 V2 KM1 (2) 01 01 (2) KM2 KM3
U1 U2 A2 A2 22 22
A1 A1
KM3 KM2 KM3 KM2
Us
N A2 (1) A2 A2 (1) A2
W1 W2 KM3:3/L2
V1 V2 L ∆ (3) Y
U1 U2

AC or DC remote control with TEF4-ON timer
Uc = 24...240 V 50/60 Hz or DC
KM3:5/L3
RESET A
Us M 95
96 FR1
STOP
O

.3
KM1 I I
.4

.3
KM2
.4
KT1 55
With 56
TEF4-ON VEM4 With VM
A1 A1 01 01 21 21
KM1 (2) (2) KM2 KM3
A2 A2 22 22
A1 A1
KM3 KM2 KM3 KM2
Us
N A2 (1) A2 A2 (1) A2
KM3:3/L2
L ∆ (3) Y

Note: VEM4 = VM4 (1) + VE4 (2) with A2-A2 (3) connection
1SBC101962S0201

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