AC Contactor for Tower Crane Electrical
The series KNC1 AC contactor is applicable at the line of AC 50/60 Hz, rated voltage up to 660V and rated current up to 95A for remote switch, breaking and frequent starting, controlling the AC motor. Moreover, the contactor can act as the time-delay contactor, reve-rsible contactor, star-delta starter by the accessories addition such as addition of modular auxiliary contact set. Air timedelay head, mechanical interlock mechanism, etc. Moreover, it could act as the electromagnetic starter by the direct plug of the thermal relay.
This product conforms to the requirement of IEC60947-4-1& GB14048.4 standards.
| Type |
Rated
insulation
voltage(V) |
Conventional
thermal
current(A) |
Rated
operation
current(A) |
Control power(kw) |
No .of
contacts |
Remark |
| 220V |
380V |
415V |
440V |
660V |
KNC1-0910
0901
|
660 |
20 |
9 |
2.2 |
4 |
4 |
4 |
5.5 |
3P+NO
3P+NC
|
Installation
method
1.with two
screws
2.35mm
din rail |
KNC1-1200
1201
|
20 |
12 |
3 |
5.5 |
5.5 |
5.5 |
7.5 |
3P+NO
3P+NC
|
KNC1-1810
1801
|
32 |
18 |
4 |
7.5 |
9 |
9 |
9 |
3P+NO
3P+NC
|
KNC1-2510
2501
|
40 |
25 |
5.5 |
11 |
11 |
11 |
15 |
3P+NO
3P+NC
|
KNC1-3210
3201
|
50 |
32 |
7.5 |
15 |
15 |
15 |
18.5 |
3P+NO
3P+NC
|
| KNC1-4011 |
60 |
40 |
11 |
18.5 |
22 |
22 |
30 |
3P+NO+NC |
Installation
method
1.with three
screws
2.75mm or
35mm
din rail |
| KNC1-5011 |
80 |
50 |
15 |
22 |
25 |
30 |
33 |
| KNC1-6511 |
80 |
65 |
18.5 |
30 |
37 |
37 |
37 |
| KNC1-8011 |
125 |
80 |
22 |
37 |
45 |
45 |
45 |
| KNC1-9511 |
125 |
95 |
25 |
45 |
45 |
45 |
45 |
| Type |
KNC1-09 |
KNC1-12 |
KNC1-18 |
KNC1-25 |
KNC1-32 |
KNC1-40 |
KNC1-50 |
KNC1-65 |
KNC1-80 |
KNC1-95 |
Pick-up voltage
50/60Hz(V) |
(0.85~
1.1)Us |
(0.85~
1.1) Us |
(0.85~
1.1)Us |
(0.85~
1.1)Us |
(0.85~
1.1)Us |
(0.85~
1.1)Us |
(0.85~
1.1)Us |
(0.85
~1.1)Us |
(0.85~
1.1)Us |
(0.85~
1.1)Us |
Release voltage
50/60Hz(v) |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
(0.2~
0.75)Us |
| Coil power |
50Hz
60Hz
|
Pick-up(VA) |
70 |
70 |
110 |
110 |
110 |
200 |
200 |
200 |
200 |
200 |
| Holding(VA) |
8 |
8 |
11 |
11 |
11 |
20 |
20 |
20 |
20 |
20 |
| Pick-up(VA) |
80 |
80 |
115 |
115 |
115 |
200 |
200 |
200 |
200 |
200 |
| Holding(VA) |
8 |
8 |
11 |
11 |
11 |
20 |
20 |
20 |
20 |
20 |
Power
consumption
(W) |
1.8~2.7 |
1.8~2.7 |
3~4 |
3~4 |
3~4 |
6~10 |
6~10 |
6~10 |
6~10 |
6~10 |
Company Introduction
Wenzhou Korlen Electric Appliances Co., Ltd, It is a joint venture. My company is a manufacturer including design, development, produce and sale, professional producing MCB, MCCB, RCCB and AC contactor etc. Product enterprises. The company owns import and export power of self-run, expanding Europe and America, Middle East, Southeast Asia etc. Market, set a good Public praise.
The company have more than 1500 workers, including senior engineer among them, engineer at inside of more than 100 technician. And then set up to cover area more than 50 acres, construct area is more than 38000 square meters of the modern industrial zone, providing with the forerunner's standard laboratory and various examination equipments.
Under Korlen people to make great effort unremittingly, designed and developed by oneself, develop and produce the series of MCB, RCCB filled up local blank, attain inter-national advanced level, and acquire more than 20 national patents. The company acquires "30 strong eminent enterprises, top ten of export income, yueqing star class enterprise, attach importance to contract and keeps promise" title of honor for many times past years. Company still the initiative pass ISO 9001 management system verification and 14001 environments management system verification. Our product passed quality verification of domestic and international authority organization like the CB\ SEMKO\ NF\ SIRIM\ SNI\ CE \PCT\ TSE, In the meantime high breaking capacity breaker of our company in this city is the unique product which got " Yueqing famous brand product" by Yueqing people government.
Korlen Electric Appliances is willing to make friends with social public, the world outside businessman join hands together for prosperous society and development to build a brighter future.
Certificates
Factory Lines
Exhibition
Audited Supplier 
){kind=link}