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SMC AC Contactors
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MSD is given priority to switch the consumer units
MSD is given priority to switch and RCD division unit load consumer
MSD is given priority to switch and RCD division 2 load consumer units
RCD is given priority to switch the consumer units
2 RCD is given priority to switch the consumer units
2 MSD is given priority to switch the consumer units
MSD is given priority to switch and SPD division unit load consumer
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CJX2 Series Contactors and Overload relays

SMC-9/12/18/22 AC Contactor

SMC AC Contactors

Characteristics

SMC-口口type contactor is mainly used in the electric system with AC 50Hz/60Hz,the maximum voltage 660 V, and the maximum current 800A.lt is used for long distance swich-on and of circuit and frequently-starting motor.
lf properly combined with thermal overload relay device, it can work as starter of motor to prevent overload or open-phase. Series of such contactors can be equipped with toy-brick type auxiliary heads, air time-delay heads and interlocking device to act as time-delay contactor,reversing contactor, switching contactor and star-delta starter.

Type and Signification:

Technical Parameters:

Type

SMC-9

SMC-12

SMC-18

SMC-22

SMC-32

SMC-40

SMC-48

Rated Power kW/HP(AC-3)

IEC60947-4-1

GB14048.4

200-240V

2.5/3.5

3.5/4.7

4.5/6

5.5/7.5

7.5/10

11/15

11/15

380-440V

4/5.5

5.5/7.5

7.5/10

11/15

15/20

18.5/25

18.5/25

500-550V

4/5.5

7.5/10

7.5/10

15/20

18.5/25

22/30

22/30

660-690V

4/5.5

7.5/10

7.5/10

15/20

18.5/25

22/30

22/30

Rated Current A(AC-3)

IEC60947-4-1

GB14048.4

200-240V

11

13

18

22

32

40

48

380-440V

9

12

18

22

32

40

45

500-550V

7

12

13

22

28

32

40

660-690V

5

9

9

18

20

23

25

Conventional Thermal Current Ith:(A)

25

25

40

40

50

60

65

Rated Insulated Voltage Ui:(V)

690

Auxiliary

Contact

 AC-15

Contact

Arrangement

Standard

1NO+1NC

2NO+2NC

Special

Optional

Optional

Rated Current A(AC-15)

IEC60947-5-1

GB14048.5

200-240V

1.6

380-440V

0.95

Conventional Thermal Current Ith:(A)

16

Mechanical Life(Million Times)

10


Characteristics:

l Auxiliary electrified contact block is used,convenient for installation.

l Contactor and thermal relay can be connected directly,without any other fittings.

l Install by using screws or directly install at the standard guide track of 35mm.

l lt is easy to replace coil for using drawout type coil structure and unnecessary to dismantle contactor.

l Various accessories.


Accessory Assembly lllustration:


Product

Type

Mark

 
Product
Type
Mark

Reversing Contactor

SMC-

22N


Aux Contacts Unit
SAU-
2

Capacitor Contactors

SMC-

22C


Mechanical Interlock Unit
SAR- 9

D.O.L Motor Starter

SMS-

22


Separate Mounting Unit
SAZ- 22H


Dimensions(mm):


Electrical Life Curve: 


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