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:
Characteristics:
● Auxiliary electrified contact block is used，convenient for installation
● Contactor and thermal relay can be connected directly, without any other fittings
● Install by using screws or directly install at the standard guide track of 35mm
● It is easy to replace coil for using drawout type coil structure and unnecessary to dismantle contactor
● Various accessories
● The normal installation direction is vertical, but can be used at ±30° in all directions
● If installed horizontally on the ground, the service life and various features of the products
will be reduced compared to normal installation.
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 |
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|
Rated Insulated Voltage Ui:(V) |
690 |
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|
Auxiliary Contact AC-15 |
Contact Arrangement |
Standard |
1NO+1NC |
2NO+2NC |
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|
Special |
Optional |
Optional |
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|
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 |
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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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