Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of dc molded case circuit breaker 1000v in China. We warmly welcome you to wholesale dc molded case circuit breaker 1000v for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
KNM1 series DC Molded Case Circuit Breaker is applicable for rated voltage up to 1000V DC, rated current up to 630A. This 1000V DC Molded Case Circuit Breaker features compact structure, small size, high breaking capacity (can be 15kA), short electric arc, and complete internal and external accessories.
As a reliable DC Molded Case Circuit Breaker for 1000V applications, KNM1 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.
Working Environment
1. Altitude ≤ 2000m.
2. Ambient temperature: +40°C (+45°C for ships) ~ -5°C.
3. Resistance to moisture.
4. Resistance to salt spray and oil spray.
5. Resistance to mould.
6. Resistance to nuclear radiation.
7. Maximum salant: ±22.5°.
8. Reliable work under earthquake condition (4g).
9. Ambient environment freeing from explosive danger and air or dust which may cause corrosion of metal or weakness of insulation.
10. Ambient environment freeing from erosio of rain or snow.
Product Dimensions
|
Size category |
Code |
Model |
|||
|
KNM1-125 |
KNM1-250 |
KNM1-400 |
KNM1-630 |
||
|
External dimensions |
C |
88 |
102 |
127.5 |
135 |
|
C1 |
- |
- |
173.5 |
184.5 |
|
|
E |
51 |
52 |
89 |
89.5 |
|
|
F |
23 |
23 |
65 |
65 |
|
|
G |
17.5 |
23 |
31.5 |
44 |
|
|
H |
68 |
85 |
107 |
112 |
|
|
H1 |
86 |
106 |
150 |
156 |
|
|
H2 |
24 |
24 |
38 |
41.5 |
|
|
H3 |
5 |
2.5 |
6.5 |
7 |
|
|
H4 |
7 |
5 |
5.5 |
3.5 |
|
|
H5 |
- |
- |
4.5 |
4.5 |
|
|
L |
150 |
165 |
257 |
269 |
|
|
L1 |
255 |
360 |
457 |
470 |
|
|
L2 |
136 |
144 |
224 |
234 |
|
|
W |
91 |
106 |
149 |
180 |
|
|
W1 |
30 |
35 |
48 |
58 |
|
|
W2 |
- |
- |
197.5 |
240 |
|
|
W3 |
65 |
75 |
- |
- |
|
|
Installation dimensions |
A |
30 |
35 |
44 |
58 |
|
B |
129 |
126 |
195 |
200 |
|
|
φd |
4.5 |
5 |
7 |
7 |
|
Thermal Protection Characteristic
|
No |
Test current |
I/Ir |
Appointed time |
Initial state |
|
1 |
Default no trip current |
1.05 |
>1h (In ≤ 63A) |
Cold state |
|
>2h (In > 63A) |
||||
|
2 |
Default trip current |
1.3 |
≤1h (In ≤ 63A) |
After the experiment by serial number 1 |
|
≤2h (In > 63A) |
Technical Features
|
Product model |
KNM1PV-125 |
KNM1PV-250 |
KNM1PV-400 |
KNM1PV-630 |
|
|
Product name |
DC MCCB |
DC MCCB |
DC MCCB |
DC MCCB |
|
|
Rated operating voltage Ue |
DC550V |
DC550V |
DC1000V |
DC1000V |
|
|
Rated insulation voltage Ui |
1000V |
1000V |
1000V |
1000V |
|
|
Rated impulse voltage Uimp |
8kV |
8kV |
8kV |
8kV |
|
|
Number of poles |
1 2 3 4 |
1 2 3 4 |
1 2 3 4 |
3 4 |
|
|
Release type |
Thermomagnetic (thermomagnetic non-adjustable TMD Fixed) |
Thermomagnetic (thermomagnetic non-adjustable TMD Fixed) |
|||
|
According to standard |
IEC60947-2 |
IEC60947-2 |
|||
|
Category of use |
A |
A |
|||
|
Frame current In |
125A |
250A |
400A |
630A |
|
|
Rated working current In |
25/32/40/50/ |
100/125/160/ |
250/315/350/400 |
400/500/630 |
|
|
Rated limit short-circuit breaking capacity Icu |
15kA |
15kA |
15kA |
15kA |
|
|
Run the breaking capability Ics |
75%ICU |
75%ICU |
75%ICU |
75%ICU |
|
|
Protection function |
Long delay protection Ir |
1in |
1in |
||
|
Instantaneous |
6In(Min 1000A) |
6In(Min 1000A) |
6In(Min 10000A) |
||
|
Life span |
machine |
10000 time |
5000 time |
10000 time |
|
|
electric |
1000 time |
500 time |
1000 time |
||
|
Installation mode |
Stationary type |
stationary type |
stationary type |
stationary type |
|
|
Operating temperature |
-5°C ~ +40°C |
||||
|
Whether the trip device is adjustable |
no |
||||
Video
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