The BKM3HU series molded case circuit breaker (hereinafter referred to as the circuit breaker) is a newly launched high-voltage, high-performance thermal-magnetic molded case circuit breaker by our company. The product is suitable for infrequent switching in circuits with AC 50/60Hz, rated operating voltage of AC800V and AC1140V, and rated current up to 630A. This circuit breaker has overload, short-circuit and under-voltage protection functions, which can protect lines and power supply equipment from damage. The product is mainly applied in new energy.
The circuit breaker can be installed vertically (i.e., upright) or horizontally (i.e., sideways).
The circuit breaker has isolation function.
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BKM3HU Molded Case Circuit Breaker
EXW
$156.60-407.16 /Unit
China
No.266, Chaoyang North Avenue, Xushui District, Baoding City, Hebei Province
0312-5852288
939090159@qq.com
Product Introduction
Product Parameters
BKM3HU Main Performance Indicators
|
Model |
BKM 3HU-250 |
BKM 3HU-320 |
BKM 3HU-400 |
BKM 3HU-630 |
|||||
|
Number of Poles |
3 |
||||||||
|
Rated Current In(A) |
63/75/80/100/125/140/160/180/200/225/250 |
125/140/160/180/200/225/250/275/300/315/320 |
225/250/315/350/400 |
400/500/630 |
|||||
|
Rated Insulation Voltage Ui (V) |
1140 |
||||||||
|
Rated Impulse Withstand Voltage Uimp(kV) |
8 |
12 |
|||||||
|
Rated Operating Voltage Ue(V) |
AC800 |
AC1140 |
AC800 |
AC1140 |
AC800 |
AC1140 |
AC800 |
AC1140 |
|
|
Arc Flash Distance (mm) |
⊁100 |
⊁100 |
⊁100 |
⊁100 |
|||||
|
Rated Ultimate Short-circuit Breaking Capacity Icu(kA) |
36.5 |
12 |
50 |
20 |
40 |
15 |
30 |
15 |
|
|
Rated Service Short-circuit Breaking Capacity Ics (kA) |
30 |
12 |
50 |
20 |
36.5 |
15 |
23 |
15 |
|
|
Selectivity Category |
A |
A |
A |
A |
|||||
|
Electrical Life (operations) |
1500 |
1000 |
1500 |
1000 |
1500 |
1000 |
1500 |
1000 |
|
|
Mechanical Life (operations) |
20000 |
20000 |
10000 |
10000 |
|||||
|
Overall Dimensions (mm) |
Width |
113 |
150 |
150 |
182 |
||||
|
Length |
233 |
251 |
329 |
335 |
|||||
|
Height |
114 |
130 |
107 |
110 |
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Note: When applied in photovoltaic grid connection, terminals 1, 3 and 5 of the circuit breaker shall be connected to the transformer side, and terminals 2, 4 and 6 shall be connected to the inverter side.
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