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LMS1-NA Series PC class dual power Auto transfer switch, mainly used in two way power supply system with rated voltage below 400V, AC 50/60Hz, rated current up to 630A, when one power supply abnormal, then it transfer between two power supply system, to ensure the power supply reliability and safety.
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LMS1-NA Series Auto transfer switch mainly used for electric distribution network or motor network with rated voltage 380V, 50Hz, rated current 16A to 630A, transfer between main power and backup power system, power grid and genset.
Model Description
Main Technical Parameters
|
Rated working current |
16/20/25/32A |
32/40/50/63/80/100/125A |
160/180/200/250A |
250/315/350/400A |
500/630A |
|
|
Rated control power supply voltage (V) |
AC220V |
AC220V |
AC220V |
AC220V |
AC220V |
|
|
Rated control supply current (A) |
3.5 |
3.5 |
7 |
7 |
7 |
|
|
Rated short-time withstand current (KA) |
10 |
10 |
10 |
10 |
10 |
|
|
Service life |
Mechanical |
20000 |
20000 |
20000 |
20000 |
20000 |
|
Electrical |
6000 |
6000 |
6000 |
6000 |
6000 |
|
|
Operating cycle (1minute /times) |
10 |
10 |
12 |
15 |
15 |
|
a:Power grids to Power grids b :Power grids to generator
① NA:It is neutral terminal of normal power for 3poles ATS；
② LP1:Normal Power supply indicator light；
③ LP2:Normal Power indicator light；
④ LP3:Standby Power indicator light；
⑤ LP4:Standby Power supply indicator light；
⑥ NB:It is neutral terminal of standby power for 3 poles ATS；
Structure and Mounting Dimensions
Production process
