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-50 |
SMC-65 |
SMC-75 |
SMC-85 |
SMC-100 |
|||
|
Rated Power kW/HP(AC-3) IEC60947-4-1 GB14048.4 |
200-240V |
15/20 |
18.5/25 |
22/30 |
25/35 |
30/40 |
||
|
380-440V |
22/30 |
30/40 |
37/50 |
45/60 |
55/75 |
|||
|
500-550V |
30/40 |
33/45 |
37/50 |
45/60 |
55/75 |
|||
|
660-690V |
30/40 |
33/45 |
37/50 |
45/60 |
55/75 |
|||
|
Rated Current A(AC-3) IEC60947-4-1 GB14048.4 |
200-240V |
55 |
65 |
75 |
85 |
100 |
||
|
380-440V |
50 |
65 |
75 |
85 |
100 |
|||
|
500-550V |
43 |
60 |
64 |
75 |
85 |
|||
|
660-690V |
28 |
35 |
42 |
45 |
65 |
|||
|
Conventional Thermal Current Ith:(A) |
70 |
100 |
110 |
135 |
150 |
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|
Rated Insulated Voltage Ui:(V) |
690 |
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|
Auxiliary Contact AC-15 |
Contact Arrangement |
Standard |
2NO+2NC |
|||||
|
Special |
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) |
8 |
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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):
SMC-50/65/75/85
Electrical Life Curve:
SMC-9~85
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