Relay
Meba-overload motor switch-MB3UA-58
Product Description
Meba-overload motor switch-MB3UA-58 is suitable for using in power system with AC 50Hz, rated operation voltage up to 660V and 1000V, in main circuit, current from 0.1A to 630A. It is used to protect AC three-phase synchronous motor against overload and open-phase.Meba-overload motor switch-MB3UA-58
| Type | Rated operating current(A) | Rated insulation Voltage(V) | Current setting range(A) |
| 3UA50 | 12.5 | 660 | 0.1~0.16,0.16~0.25,0.25~4,0.32~0.63,0.63~0.1,0.8~1.25,1~1.16,1.25~2,1.6~2.5, 2~3.2, 2.5~4 ,3.2~5 ,4~6.3, 5~8 ,6.3~10 ,8~12.5 |
| 3UA52 | 25 | 660 | 0.1~0.16,0.16~0.25,0.25~ 0.4, 0.4~0.63 0.63~1, 0.8 ~1.25, 1~1.6, 1.25~2, 1.6~2.5,2~3.2,2.5~4, 3.2~5, 4~6.3, 5~8, 6.3~10, 8~12.5, 10~16, 12.5~20, 16~25 |
| 3UA54 | 32 | 660 | 4~6.3,6.3~10,10~16,12.5~20,16~25,20~32 |
| 3UA58 | 80 | 1000 | 16~25,20~32,25~40,32~50,40~57,50~63,57~70,63~80 |
| 3UA59 | 63 | 600 | 0.1~0.16, 0.16~0.25,0.25~0.4,0.4~0.63,0.63~1 0.8~1.25 ,1~1.6 ,1.25~2,1.6~2.5,2~3.2,2.5~4 3.2~5 ,4~6.3, 5~8, 6.3~10, 8~12.5, 10~16, 12.5~20, 16~25, 20~32 ,25~40 ,32~40, 32~45, 40~57,50~63 |
| 3UA62 | 180 | 660 | 55~80, 63~90, 80~110, 90~120, 110~135, 120~150, 135~160, 150~180, |
| 3UA66 | 400 | 1000 | 80~125,125~200,180~250,200~320,250~400 |
| 3UA68 | 630 | 1000 | 320~500,400~630 |
Meba-overload motor switch-MB3UA-58
is suitable for using in power system with AC 50Hz, rated operation voltage up to 660V and 1000V, in main circuit, current from 0.1A to 630A. It is used to protect AC three-phase synchronous motor against overload and open-phase.
The relays have the test push-button for breaking NC contacts and the operating indicatino and free trip characteristics. The products also can be supplied with protecting case to ensure safety. The products can plug in the contactor and install independently or mount by rail.
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