Factory Price Three Phase Thermal Relay - 3UA overload relay – Simply Buy Detail:
| Type | Rated operat ing current(A) |
Rated voltage(V) |
Current Setting range | |
| S3UA-50 | 12.5 | 690 | 0.1-0.1,0.16-0.25,0.25-0.4,0.32-0.63,0.63-0.1,0.8-1.25,1-1.6 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 |
|
| S3UA-52 | 25 | 690 | 0.1-0.1,0.16-0.25,0.25-0.4,0.32-0.63,1.63-1,0.8-1.25,1-1.6 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 |
|
| S3UA-54 | 32 | 690 | 4-6,6.3-10,10-16,12.5-20,16-25,20-32 | |
| S3UA-58 | 80 | 690 | 16-25,20-32,25-40,32-50,40-57,50-63,57-70,63-80 | |
| S3UA-59 | 63 | 690 | 0.1-0.16,0.16-0.25,0.25-0.4,0.4-0.63,1.63-1,0.8-1.25,1-1.6,1.25-2 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 16-25,20-32,25-40,32-45,40-57,50-63 |
|
| S3UA-62 | 180 | 690 | 55-80,63,90,80-110,90-120,110-135,120-150,135-160,150-180 | |
| S3UA-66 | 400 | 1000 | 80-125,125-200,200-320,250-400 | |
| S3UA-68 | 630 | 1000 | 320,-500,400-630 | |
| Family | OEM Part no. | amp min | amp max | Contactors suitable for |
| 3UA50 | 3UA50-40-0A | 0.1 | 0.16 | 3TF30, 3TF31, 3TF40, 3TF41, 3TB40, 3TB41 |
| 3UA50-40-0C | 0.16 | 0.25 | ||
| 3UA50-40-0E | 0.25 | 0.4 | ||
| 3UA50-40-0G | 0.4 | 0.63 | ||
| 3UA50-40-0J | 0.63 | 1 | ||
| 3UA50-40-0K | 0.8 | 1.25 | ||
| 3UA50-40-1A | 1 | 1.6 | ||
| 3UA50-40-1B | 1.25 | 2 | ||
| 3UA50-40-1C | 1.6 | 2.5 | ||
| 3UA50-40-1D | 2 | 3.2 | ||
| 3UA50-40-1E | 2.5 | 4 | ||
| 3UA50-40-1F | 3.2 | 5 | ||
| 3UA50-40-1G | 4 | 6.3 | ||
| 3UA50-40-1H | 5 | 8 | ||
| 3UA50-40-1J | 6.3 | 10 | ||
| 3UA50-40-1K | 8 | 12.5 | ||
| 3UA50-40-2S | 10 | 14.5 | ||
| 3UA52 | 3UA52-40-0A | 0.1 | 0.16 | 3TF30, 3TF31, 3TF40, 3TF41, 3TB40, 3TB41 |
| 3UA52-40-0C | 0.16 | 0.25 | ||
| 3UA52-40-0E | 0.25 | 0.4 | ||
| 3UA52-40-0G | 0.4 | 0.63 | ||
| 3UA52-40-0J | 0.63 | 1 | ||
| 3UA52-40-0K | 0.8 | 1.25 | ||
| 3UA52-40-1A | 1 | 1.6 | ||
| 3UA52-40-1B | 1.25 | 2 | ||
| 3UA52-40-1C | 1.6 | 2.5 | ||
| 3UA52-40-1D | 2 | 3.2 | ||
| 3UA52-40-1E | 2.5 | 4 | ||
| 3UA52-40-1F | 3.2 | 5 | ||
| 3UA52-40-1G | 4 | 6.3 | ||
| 3UA52-40-1H | 5 | 8 | ||
| 3UA52-40-1J | 6.3 | 10 | ||
| 3UA52-40-1K | 8 | 12.5 | ||
| 3UA52-40-2A | 10 | 16 | ||
| 3UA52-40-2B | 12.5 | 20 | ||
| 3UA52-40-2C | 16 | 25 | ||
| 3UA54 | 3UA54-40-1G | 4 | 6.3 | 3TF44, 3TB44 |
| 3UA54-40-1J | 6.3 | 10 | ||
| 3UA54-40-2A | 10 | 16 | ||
| 3UA54-40-2B | 12.5 | 20 | ||
| 3UA54-40-2C | 16 | 25 | ||
| 3UA54-40-2D | 20 | 32 | ||
| 3UA54-40-2Q | 25 | 36 | ||
| 3UA55 | 3UA55-40-0A | 0.1 | 0.16 | 3TF34, 3TF35, 3TF44, 3TF45 |
| 3UA55-40-0C | 0.16 | 0.25 | ||
| 3UA55-40-0E | 0.25 | 0.4 | ||
| 3UA55-40-0G | 0.4 | 0.63 | ||
| 3UA55-40-0J | 0.63 | 1 | ||
| 3UA55-40-0K | 0.8 | 1.25 | ||
| 3UA55-40-1A | 1 | 1.6 | ||
| 3UA55-40-1B | 1.25 | 2 | ||
| 3UA55-40-1C | 1.6 | 2.5 | ||
| 3UA55-40-1D | 2 | 3.2 | ||
| 3UA55-40-1E | 2.5 | 4 | ||
| 3UA55-40-1F | 3.2 | 5 | ||
| 3UA55-40-1G | 4 | 6.3 | ||
| 3UA55-40-1H | 5 | 8 | ||
| 3UA55-40-1J | 6.3 | 10 | ||
| 3UA55-40-1K | 8 | 12.5 | ||
| 3UA55-40-2A | 10 | 16 | ||
| 3UA55-40-2B | 12.5 | 20 | ||
| 3UA55-40-2C | 16 | 25 | ||
| 3UA55-40-2D | 20 | 32 | ||
| 3UA55-40-2Q | 25 | 36 | ||
| 3UA55-40-2R | 32 | 40 | ||
| 3UA55-40-8M | 36 | 45 | ||
| 3UA58 | 3UA58-40-1G | 4 | 6.3 | 3TF46, 3TF47, 3TF48, 3TF49 |
| 3UA58-40-2B | 12.5 | 20 | ||
| 3UA58-40-2C | 16 | 25 | ||
| 3UA58-40-2D | 20 | 32 | ||
| 3UA58-40-2E | 25 | 40 | ||
| 3UA58-40-2F | 32 | 50 | ||
| 3UA58-40-2P | 50 | 63 | ||
| 3UA58-40-2T | 40 | 57 | ||
| 3UA58-40-2U | 53 | 80 | ||
| 3UA58-40-2V | 57 | 70 | ||
| 3UA58-40-8A | 11 | 17 | ||
| 3UA58-40-8W | 70 | 88 | ||
| 3UA59 | 3UA59-40-0A | 0.1 | 0.16 | 3TF30- 3TF35, 3TF40-3TF46 |
| 3UA59-40-0C | 0.16 | 0.25 | ||
| 3UA59-40-0E | 0.25 | 0.4 | ||
| 3UA59-40-0G | 0.4 | 0.63 | ||
| 3UA59-40-0J | 0.63 | 1 | ||
| 3UA59-40-0K | 0.8 | 1.25 | ||
| 3UA59-40-1A | 1 | 1.6 | ||
| 3UA59-40-1B | 1.25 | 2 | ||
| 3UA59-40-1C | 1.6 | 2.5 | ||
| 3UA59-40-1D | 2 | 3.2 | ||
| 3UA59-40-1E | 2.5 | 4 | ||
| 3UA59-40-1F | 3.2 | 5 | ||
| 3UA59-40-1G | 4 | 6.3 | ||
| 3UA59-40-1H | 5 | 8 | ||
| 3UA59-40-1J | 6.3 | 10 | ||
| 3UA59-40-1K | 8 | 12.5 | ||
| 3UA59-40-2A | 10 | 16 | ||
| 3UA59-40-2B | 12.5 | 20 | ||
| 3UA59-40-2C | 16 | 25 | ||
| 3UA59-40-2D | 20 | 32 | ||
| 3UA59-40-2E | 25 | 40 | ||
| 3UA59-40-2M | 32 | 45 | ||
| 3UA59-40-2P | 50 | 63 | ||
| 3UA59-40-2T | 40 | 57 | ||
| 3UA60 | 3UA60-40-2H | 55 | 80 | 3TF49, 3TF50, 3TB50 |
| 3UA60-40-2W | 63 | 90 | ||
| 3UA60-40-2X | 80 | 110 | ||
| 3UA60-40-3H | 90 | 120 | ||
| 3UA60-40-3J | 110 | 135 | ||
| 3UA60-40-3J | 110 | 135 | ||
| 3UA61 | 3UA61-40-2H | 55 | 80 | 3TF51 |
| 3UA61-40-2W | 63 | 90 | ||
| 3UA61-40-2X | 80 | 110 | ||
| 3UA61-40-3H | 90 | 120 | ||
| 3UA61-40-3J | 110 | 135 | ||
| 3UA61-40-3K | 120 | 150 | ||
| 3UA62 | 3UA62-40-2H | 55 | 80 | 3TF52, 3TF53, 3TB52 |
| 3UA62-40-2W | 63 | 90 | ||
| 3UA62-40-2X | 80 | 110 | ||
| 3UA62-40-3H | 90 | 120 | ||
| 3UA62-40-3J | 110 | 135 | ||
| 3UA62-40-3K | 120 | 150 | ||
| 3UA62-40-3L | 135 | 160 | ||
| 3UA62-40-3M | 150 | 180 | ||
| 3UA66 | 3UA66-40-2K | 80 | 125 | 3TF54, 3TF55, 3TF56, 3TF57 |
| 3UA66-40-3B | 125 | 200 | ||
| 3UA66-40-3C | 160 | 250 | ||
| 3UA66-40-3D | 200 | 320 | ||
| 3UA66-40-3E | 250 | 400 | ||
| 3UA68 | 3UA68-40-3F | 320 | 500 | 3TF57, 3TF68 |
| 3UA68-40-3G | 400 | 630 | 3TF57, 3TF68 |
Product detail pictures:

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