DC Miniature circuit breaker 63A 125A 1P 250V, 4P 1000V 10KA CE 500V mini MCB
KNB3-125 DC Type Series Miniature Circuit Breaker(MCB)
1. Protection against overload and short-circuit
2. Used as infrequent on-and-off operation and changeover
3. Mainly unsed in the line of AC 50/60Hz, rated working voltage to DC250-1000V, rated current to 125A
4. Reasonable in structure, high breaking capacity
5. Standard: IEC/EN60898 and GB10963
Basic specification and main parameters
|
Fame current Inm(A) |
Pole number |
Rated voltage (V) |
Rated current In(A) |
Rated Limit Short circuit breaking |
Instantaneous tripping current |
|
|
Breaking current Icu(A) |
Time constant T(ms) |
|||||
|
63 |
1 |
DC250V |
1,2,3,4,6,10,16,20,25,32,40,50,63 |
10000 |
10 |
8h-12h |
|
2,3 |
DC500V |
|||||
|
4 |
DC1000V |
|||||
|
125 |
1 |
DC250V |
80,100,125 |
10000 |
10 |
8h-12h |
|
2,3 |
DC500V |
|||||
|
4 |
DC1000V |
|||||
The over-current tripping unit protection feature
|
Test |
DC test curretn |
Start state |
Tripping or not tripping time limit |
Expected result |
Note |
|
a |
1.05In |
Cold state |
t≥1h(In≤63A) t≥2h(In>63A) |
Not tripping |
|
|
b |
1.3In |
Start right after serial a test |
t<1h(In>63A) t<2h(In≤63A) |
Tripping |
The current stably rises to specified value in 5s. |
|
c |
8In |
Cold state |
t≥0.2s |
Not tripping |
Close auxiliary switch, connecting power. |
|
12In |
t<0.2s |
Tripping |
Wiring Diagram
Outline Dimensions
Other DC MCB:
Wenzhou XLK electric appliances co.,ltd. is a joint venture. The company is a manufacturer including deign, development, produce and sale, professional producing MCB,MCCB,RCCB,RCBO and AC contactor etc. The company owns import and export power of self-run, expanding Europe and South 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 equipment.
Under XLK people to make great effort unremittingly, design and develop by oneself , develop and produce a 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. The 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.
XLK 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.
Q1. What advantages do you have?
A1.Are the direct Manufacturer in Wenzhou China, we have professional developing,
marketing & production team to offer you the most competitive price and best service.
Q2. Could you print our own logo?
A2. Yes, Our company are available for Retail & Wholesale & OEM & ODM.
Q3. How long is the quality guarantee?
A3. 18 month warranty, our products are 100% inspection.
Q4. How long is the deliver time?
A4. It usually takes about 3 - 5 working days for sample order and 10 - 25 days for big order.
Q5. What is your payment terms?
A5. Our Payment term is T/T, Aliexpress, Western Union, PayPal, Money Gram, L/C at sight.
Q6. Any certification of your company or product?
A6.We have ISO 9001, CE, CB, SEMKO, SAA, TUV, CCC.
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