KNM6 series moulded case circuit breaker applies at the circuit of AC 50/60Hz, rated operation voltage of 600V(690V)and below, DC250V and below and rated current of from 12.5A up to 800A to distribute the electric power, and performs the low frequency of opening and closing under normal condition and the overload protection, short-circuit protection and under-voltage protection. The circuit breaker with a rated current of frame of 400A and below could also perform the low frequency of starting of the squirrel- cage motor and the protection in terms of operation breaking, and protect the motor in terms of overload, short circuit and under-voltage.
This product conforms to the requirement of IEC60947-2, GB14048.2 standards.
| Frame class | 50 | 60 | 100 | 225 | 400 |
| Pole No . | 3 | 3 | 3 | 3 | 3 |
| Rated current In(A) | 5,10,15,20,
30,40,50 | 5,10,15,20,
30,40,50,60 | 15,20,30,40,
50,60,75,100 | 100,125,150,
175,200,225 | 250,300,
350,400 |
| Rated voltage AC(V) | 600 | 600 | 600 | 600 | 600 |
| Rated voltage DC(V) | 250 | 250 | 250 | 250 | 250 |
| Rated insulation voltage(V) | 690 | 690 | 690 | 690 | 690 |
| Rated pulse voltage(KV) | 6 | 6 | 6 | 6 | 6 |
Ultimate
short-circuit
breaking
capacity
lcu(KA) | AC
50/
60
Hz | 220/240V | 25 | 25 | 50 | 50 | 50 |
| 380V | 14 | 14 | 25 | 25 | 42 |
| 415V | 10 | 10 | 25 | 25 | 35 |
| 440/460V | 10 | 10 | 25 | 25 | 35 |
| 440/500V | 7.5 | 7.5 | 14 | 14 | 25 |
| 600V | 5 | 5 | 10 | 10 | 22 |
| DC | 125V | 10 | 10 | 20 | 20 | 30 |
| 250V | 5 | 5 | 14 | 14 | 20 |
Operative short -circuit
breaking capacity Ics(Icu%) | 50 | 50 | 50 | 50 | 100 |
| Usage category | A | A | A | A | A |
| Mechanical life | 8500 | 8500 | 8500 | 7000 | 4000 |
| Electrical life | 1500 | 1500 | 1500 | 1000 | 1000 |
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.
