This low-voltage switchgear is suitable for power systems with an AC frequency of 50-60Hz and a rated operating voltage of 660V or below, serving as control equipment for power generation, transmission, distribution, energy conversion, and energy consumption.
In addition to general land-based use, this low-voltage switchgear can also be used in offshore oil drilling platforms and nuclear power plants after special treatment.
MNS-Type Intelligent Low-Voltage Complete Switchgear
Table 1: Main Technical Parameters of MNS Low Voltage Switchgear
|
Rated working voltage (V) |
380, 660 |
|
|
Rated insulation voltage (V) |
660 |
|
|
Rated current (A) |
Horizontal wiring |
630~5000 |
|
Vertical bus (MCC) |
800~2000 * |
|
|
Effective value of rated short-time withstand current (1s)/peak value (kA) |
Horizontal wiring |
50~100/105~250 |
|
Vertical bus (MCC) |
60/130~150 |
|
|
Enclosure protection class |
IP30, IP40, IP54 ** |
|
|
Overall dimension (W×D×H, mm) |
600×800, 1000×600, (1000)×2200 |
|
*Rated working current of vertical bus: 800A for single-sided or double-sided operation, and 1000A for removable MCC; MCC for single-sided operation with cabinet depth of 1000mm is 800 ~ 2000A.
**Protection grade IP54 is not recommend for use due to serious capacity reduction.
Table 2: Technical Data Sheet of Main Electrical Appliances in the Product Cabinet
|
Name |
Model |
Main technical data |
Name |
Model |
Main technical data |
|
Low voltage circuit breaker |
DW914(AH) |
600 ~ 4000A |
Fuse-type isolator |
DCHR1 |
125 ~ 630A |
|
Low voltage circuit breaker |
RDW17 |
600 ~ 3900A |
Fuse-type isolating switch |
HH15 |
125 ~ 800A |
|
Low voltage circuit breaker |
RDM1 Series RDM2 Series |
15 ~ 630A |
AC contactor |
CJX2-F(RDC6) Series CJX2(RDC6) Series CJX8 Series |
4.7 ~ 630A |
|
Low voltage circuit breaker |
DZ47-63S503 |
10 to 63A |
Fuse |
NGT Series RT20/NT |
4 ~ 630A |
|
Low voltage circuit breaker |
RDM8 Series LNA |
6 ~ 100A |
Thermal overload relay |
JRS2 Series JRS8/NT |
16 to 370A |
|
Fuse load switch |
SMP |
125 ~ 630A |
Current transformer |
LMK1 LN LMZ2 |
15 to 5000/5A |
|
Fuse load switch |
OESA |
63A |
Capacitor |
BSMJ CLMB |
~400v (internal △) |
|
Low voltage circuit breaker |
RDSW6(RDW1) |
600 ~ 3200A |
Low voltage circuit breaker |
M |
600 ~ 6300A |
