Motor Starter Circuit

Heavy Duty Motor StartersClass 14

Wiring

157Siemens Industr ial Control Products

NEM

A and H

PRated Control

2

ESP100 3 Phase Sizes 04

ESP100 3 Phase Sizes 67

3 Phase Sizes 1343Applied on Single PhaseESP100 Single Phase Sizes 01 (0.25 to 16A)

CIRUITPROTECTION

DEVICE(IF USED)

MOTOR

CIRCUITPROTECTION

DEVICE(IF USED)

MOTOR

For an approximate setting of a Single Phase motorapplication, multiply the motor nameplate by .75 andset the dial on the overload to the resulting value.

The device must be wired with polarity as shown.Neutral and L1 wires must be wired as indicated on thedrawing, polarity is indicated by .

3 Phase and 1 Phase Magnetic Starters

Ambient Compensated3 Phase Sizes 004

Ambient CompensatedSingle Phase Sizes 00212

ESP100 3 Phase Sizes 412, 5

M

Combination Magnetic StartersClass 17, 18

Wiring

Siemens Industr ial Control Products

158

NEM

A a

nd H

PRa

ted

Cont

rol

2

L3L1 L2

TO SUPPLY

DISCONNECT orCIRCUIT BREAKER

M

OVERLOAD RELAY95 96

WV

T1 T2 T3

M

XFFUSESEC

H4X1

SEC

X2H3

H1

H2D

T1 T3

T2

ALTERNATECONNECTIONS FORTRANSFORMER

2

3

"C"

A

41

B

CONTROL FUSES(OPTIONAL)

REMOVE WIRE "C" IF CONTROL TRANSFORMERIS USED. FOR SEPARATE CONTROL VOLTAGESOURCE, REMOVE JUMPERS "A" AND "B" ANDCONNECT SOURCE TO CONTROL FUSE LINE TERMINALS.

Size 04

CIRCUITPROTECTION

DEVICE(IF USED)

MOTOR

Size 412, 5

Size 6, 7

CIRUITPROTECTION

DEVICE(IF USED)

MOTOR

Three Phase Solid State and Thermal Overloads

Reversing Heavy Duty StartersClass 22

Wiring


NEM

A and H

PRated Control

2

Three Phase Ambient Compensated Bimetal Overload

4 Wire Split Repulsion Induction 3 PoleSizes 0134 4 Wire Split Phase All Leads Broken 4 PoleSizes 0134

Single Phase Ambient Compensated Bimetal Overload

Sizes 04

Three Phase Solid State Overload

Sizes 0134 Sizes 24INCOMING LINE

CIRCUITPROTECTIVE

DEVICE(IF USED)

REMOVE WIRE "C" IF THE CONTACTORCOIL IS TO OPERATE ON A VOLTAGEOTHER THAN LINE VOLTAGE OR ON A SEPARATE CONTROL SOURCE.

CURRENTTRANSFORMER(WHEN USED, SEE TABLE)

"FWD"CONTRACTOR

MECHANICAL

INTERLOCK

"REV"CONTACTOR

O.L.RELAY

(IF USED)

"FWD"CONTACTOR

Size 412, 5

3 Wire, 2 PoleSizes 01344 Wire Split Phase One Line Direct 3 PoleSizes 0134

Combination Reversing StartersClass 25, 26

Wiring


160

NEM

A a

nd H

PRa

ted

Cont

rol

2

3 Phase Overloads

Size 04

L3L1 L2

TO SUPPLY


FOR3

OVERLOAD RELAY95 96

REVV WWV6 8

4

5

2

7

T1 T2 T3

M

XFFUSESEC

H4X1

SEC

X2H3

H1

H2D

T1 T3

T2

C

CONTROL FUSES(OPTIONAL)

ALTERNATE CONNECTIONSFOR TRANSFORMER

B

A

1 4

10 9

REMOVE WIRE "C" IF CONTROL TRANSFORMERIS USED. FOR SEPARATE CONTROL VOLTAGESOURCE, REMOVE JUMPERS "A" AND "B" ANDCONNECT SOURCE TO CONTROL FUSE LINE TERMINALS.

Size 412, 5

INCOMING LINE

CIRCUITPROTECTIVE

DEVICE(IF USED)

REMOVE WIRE "C" IF THE CONTACTORCOIL IS TO OPERATE ON A VOLTAGEOTHER THAN LINE VOLTAGE OR ON A SEPARATE CONTROL SOURCE.


"FWD"CONTRACTOR

MECHANICAL

INTERLOCK

"REV"CONTACTOR

O.L.RELAY

(IF USED)

"FWD"CONTACTOR

Multi Speed Magnetic StartersClass 32 Size 04 (Typical)

Wiring


NEM

A and H

PRated Control

2

1 Winding Constant Horsepower Size 24

T6T4 T5

L

L

LLO

4 5 7

LOHI

L

T5

T4

9596

ALL OL'S

A

STOP1

T3

HIGH

LOW

2

LO

3 6

HI

LHI

HI

HI

LO

T1

T2

T5

L3L2L1

L

LO

LO

T6

T6

8


TO SUPPLY

CONSTANT HORSEPOWERMOTOR

OL-LO

OL-HI

ELEMENTARY DIAGRAM

HI

T1

T4

T3

T2

TOGETHER

T5T3L3

T4T2L2

T6T1L1

HIGH SPEEDLOW SPEEDPOSITION

8

6

1

MOTORT3T2T1

T6T5T4

T5T4T63

2

A

T3T2T14

5

9695OVERLOAD RELAY

V LO W

7V W WV L

9695OVERLOAD RELAY

HI


TO SUPPLYL2L1 L3

WIRING DIAGRAM

FOR SEPARATE CONTROL VOLTAGE SOURCE, REMOVE JUMPER "A" ANDCONTROL WIRE FROM "1" ON STARTER. CONNECT SOURCE TO "1" ONCONTROL DEVICE AND TO "96" ON OVERLOAD RELAY.

ELEMENTARY DIAGRAM

T1 T2 T3

TOGETHER


T4T2L2

T1T6

L1

T5T3L3

4

96

1

A

95

STOP

ALL OL'S

HI

2

OL-HI

OL-LO

LO

HI

HI

LO

LO


TO SUPPLYL1 L2 L3

HIGH5

HI

LO 7HI

VARIABLE TORQUE MOTOR

CONSTANT TORQUE MOTOR

T3

T3

6

T4

LOW

LO

T5

HI3

T5

HIT3

T6

T1

T2HI

T5

8LO

T2 T6

T4

T1

T2

T1

T6

T4

T4

T6T5

T3T2T1

OVERLOAD RELAY

4

56

95

T6 T4 T5

96

WHIGHV


TO SUPPLYL1 L2 L3

MOTOR

T2

OVERLOAD RELAY

W

2

A95

T1

31

LOW8V

96

T3

7

WIRING DIAGRAM


1 Winding Constant Horsepower Size 013/4

1 Winding Constant or Variable Torque Size 013/4

T6T4 T5

T2

T3

T4

T1

HI

ELEMENTARY DIAGRAM

OL-HI

OL-LO CONSTANT HORSEPOWERMOTOR

TO SUPPLY


8

T6

T6

LO

LO

LO

L1 L2 L3

T5

T2

T1

LO

HI

HI

HI LO

HI

63

LO

2

LOW

HIGH

T3

1 STOP

A

ALL OL'S

96 95

T4

T5

LO

HILO

754

TOGETHER

T5T3L3

T4T2L2

T6T1L1


MOTORT3T2T1

T6T5T4

TO SUPPLY

WIRING DIAGRAM

7

T5

96

8V HI

13

T4

95A

T6

2

W

OVERLOAD RELAY

L3L2L1


V LO W

T3

96

T2T1

95

6 5

4

OVERLOAD RELAY


Multi Speed Magnetic StartersClass 32 Size 04 (Typical)

Wiring


162

NEM

A a

nd H

PRa

ted

Cont

rol

2

2 Winding Constant Horsepower & 2 Winding Constant or Variable Torque Size 04

HHI

H

H

ELEMENTARY DIAGRAM

OL-HI

OL-LO

VARIABLE TORQUEMOTOR

CONSTANT TORQUEMOTOR

TO SUPPLY


T1

T1

8

T6

T6

T4

T3

T1LO

LOH

L1 L2 L3

T4T3

T3

T2T4

T6

LO

HI

HI

HI

H

HI 63

LO

2LOW

HIGH

T5T5

1 STOP

A

ALL OL'S96 95

T2

T5 T2

LO

HIH

LO 754

T1 T2 T3

TOGETHER

T5T3L3

T4T2L2

T6T1L1


1

8

6

MOTORT3T2T1

T6T5T4

T3T2T13

2

A

T5T4T64

5

9695OVERLOAD RELAY

V HI W

7V W WV H

9695OVERLOAD RELAY

LO


TO SUPPLYL2L1 L3

WIRING DIAGRAM


ELEMENTARY DIAGRAM


T1T11

L1T2T12

L2T3

T13

L3

2

96

1

A

95

STOP

ALL OL'S

HI

4

OL-HI

OL-LO

LO

HI

HI

LO

LO


TO SUPPLYL1 L2 L3

LOW3

LO

HILO

7

TWO WINDING MOTORT11

T12

5HIGH

HI

T13

LO

T11

T3

T2

T1T1

T13

8HI

6

T12

T3

T2

T13T12T11T3T2T1

OVERLOAD RELAY

2

3

T2T1

95

T3

96

6

WLOV


TO SUPPLYL1 L2 L3

MOTOR

T11

OVERLOAD RELAY

HI

4

A

7

95

5V

1

T13T12

96

8W

WIRING DIAGRAM


1 Winding Constant or Variable Torque Size 24

Reduced Voltage Starters Class 36, 37 Size 04 (Typical)

Wiring


NEM

A and H

PRated Control

2

Auto Transformer Starter Two Step Part Winding Starter

Wye-Delta StarterClosed Transition

Wye-Delta StarterOpen Transition

Reduced Voltage Starters Class 36, 37 Size 41/2 7 (Typical)

Wiring


164

NEM

A a

nd H

PRa

ted

Cont

rol

2

NEMA size 6 and larger contactor coils are at linevoltage. NEMA size 6 and larger supplied with currenttransformers.

OPTIONALDISCONNECT

ORCIRCUIT

BREAKER

TO SUPPLY

Size 41/27Autotransformer Starter (Typical)

POWER WIRING:USE 75C, MINIMIUMCOPPER WIRE ONLY.

MOTOR

CUSTOMER'S INC. LINE

CIRCUITBREAKER

Size 41/27Part-Winding

Reduced Voltage Starters Class 36, 37 Size 41/2 7 (Typical)

Wiring


NEM

A and H

PRated Control

2

NEMA Size 5 and larger supplied with currenttransformers.

NEMA Size 6 and larger contactor coils are at line voltage.

OPTIONALDISCONNECT

ORCIRCUIT BREAKER

CUSTOMER'SINC. LINE

Wye Delta Open Transition

OPTIONALDISCONNECT

ORCIRCUIT BREAKER

CUSTOMER'SINC. LINE

Wye Delta Closed Transition

Magnetic Contactors and Reversing Contactors Class 40, 43

Wiring


166

NEM

A a

nd H

PRa

ted

Cont

rol

2

3 Phase ContactorsSize 004

Single Phase Reversing ContactorsSize 00134

3 Phase Reversing ContactorsSize 004

3 Phase Reversing ContactorsSize 412, 5

3 Pole 3 Phase Magnetic Contactors and Reversing Contactors

2 Pole 1 Phase Magnetic Contactors and Reversing Contactors

"C"REMOVE WIRE "C" IFCONTACTOR COILIS TO OPERATE ON AVOLTAGE OTHER THANLINE VOLTAGE OR ON ASEPARATE CONTROLSOURCE.


CONTACTOR

LOAD

INCOMING LINE

CIRCUITPROTECTIVE

DEVICE(IF USED)

O.L.RELAY(IF USED)

"B"

Single Phase ContactorsSize 00-312

3 Phase ContactorsSize 4125

Heavy Duty ControlClass 83, 84

Wiring


NEM

A and H

PRated Control

2

Duplex with Relay AlternationDuplex with Auto Alternation

Heavy Duty ControlClass 83, 84

Wiring


168

NEM

A a

nd H

PRa

ted

Cont

rol

2

Duplex with Lead Transfer Switch Duplex with Manual Alternation

Reduced Voltage Pump PanelsClass 87, 88

Wiring


NEM

A and H

PRated Control

2

Auto Transformer Two Step Part Winding

Elementary Diagram Typical Available Options

Reduced Voltage Pump PanelsClass 87, 88

Wiring


170

NEM

A a

nd H

PRa

ted

Cont

rol

2

Wye DeltaOpen Transition Wye DeltaClosed Transition

Motor Starter Circuit

Documents

Transcript of Motor Starter Circuit