Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of high performance ac mccb copper in China. We warmly welcome you to wholesale high performance ac mccb copper for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
KNM3 series moulded case circuit breaker is applicable for rated insulation voltage 400/415/660/690/800V, AC50/60Hz, Rated voltage 690V and below. High Performance AC MCCB Copper ensures excellent conductivity and durability. It has the feature of compact structure, small size, high breaking capacity, short electric arc, and complete internal and external accessories.
Built with High Performance AC MCCB Copper, KNM3 MCCB has the function of overload, short circuit and under-voltage protection, can protect the line and power supply device from damage. The product conforms with the standard of IEC60947-2, thanks to its reliable High Performance AC MCCB Copper construction.
Advantage
1.All copper contact
2.Widened handle design
3.Flame-retardant housing
Technical Features
|
Model NO. |
KNM3-63 |
KNM3-125 |
KNM3-250 |
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|
Maximum current rating for |
63 |
125 |
250 |
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|
Rated current (InA) |
10, 16, 20, 25, 32, 40, 50, 63 |
16, 20, 25, 32, 40, 50, 80, 100, 125 |
100, 125, 160, 180, 200, 225, 250 |
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|
Poles |
3,4 |
2 |
3,4 |
2 |
3,4 |
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|
Rated insulation voltage (Ui) |
AC690V |
AC690V |
AC690V |
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|
Rated operating voltage (Ue) |
AC400V |
AC230V |
AC400V |
AC230V |
AC400V |
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|
Rated impulse withstand voltage (Uimp) |
6000V |
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|
Arc flying distance (mm) |
≤ 50 |
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|
Limit short circuit breaking capacity Icu (kA) |
400V |
L |
35 |
35 |
35 |
||
|
M |
50 |
50 |
50 |
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|
690V |
- |
- |
20 |
20 |
|||
|
Operating short circuit breaking |
400V (415V) |
L |
22 |
22 |
22 |
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|
M |
35 |
35 |
35 |
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|
690V |
- |
- |
10 |
10 |
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|
Operating performance |
energized |
1000 |
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|
not energized |
7000 |
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|
Model NO. |
KNM3-400 |
KNM3-630 |
KNM3-800 |
KNM3-1250 |
KNM3-1600 |
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|
Maximum current rating for housing class (A) |
400 |
630 |
800 |
1250 |
1600 |
|||||||
|
Rated current (InA) |
225, 250, 315, 350, 400 |
400, 500, 630 |
630, 700, 800 |
800, 1000, 1250 |
1600 |
|||||||
|
Poles |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
3 |
4 |
||
|
Rated insulation voltage (Ui) |
AC690V |
AC690V |
AC800V |
AC800V |
AC800V |
|||||||
|
Rated operating voltage (Ue) |
AC415V/500/690V |
AC400V |
AC400V |
|||||||||
|
Rated impulse withstand voltage (Uimp) |
8000V |
|||||||||||
|
Arc flying distance (mm) |
≤ 50 |
|||||||||||
|
Limit short circuit breaking capacity Icu (kA) |
400V |
L |
50 |
50 |
65 |
85 |
85 |
|||||
|
M |
85 |
85 |
||||||||||
|
690V |
20 |
30 |
30 |
- |
||||||||
|
Operating short circuit breaking |
400V (415V) |
L |
35 |
35 |
50 |
65 |
65 |
|||||
|
M |
65 |
65 |
||||||||||
|
690V |
15 |
20 |
20 |
- |
||||||||
|
Operating performance |
energized |
1000 |
500 |
500 |
500 |
|||||||
|
not energized |
4000 |
2500 |
2500 |
2500 |
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Questions and Answers
Q:Can you print our own logo?
A: Yes, our company offers retail, wholesale, OEM, and ODM services.
Q: What can you buy from us?
A: Our products include surge protectors, circuit breakers, fuses, photovoltaic combiner boxes, plastic distribution boxes, transfer switches, DC disconnectors, contactors, over/under voltage protectors and photovoltaic connectors, etc.
Q: Can I order some samples?
A:Yes, sample orders are available..
Q: Do you test all your goods before delivery?
A: Yes, we conduct a 100% test before delivery.
For more questions, feel free to send us inquiry.
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