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  HOEM > PRODUCT > L.V.Electric Apparatus > Thermal Relay > Y3UA Thermal Relay    
    Y3UA Thermal Relay
     
           
 
 
     
  Application:

Y3UA series thermal relay is suitable for using in power system with AC 50HZ, rated operation voltage up to 660V and 1000V, in main circuit, current form 0.1A to 630A. It is used to protect AC three-phase asynchronous motor against overload and open-phase. The relays have the test push-button for breaking NC contacts and the operating indication and free trip characteristics. The products also can be supplied with protecting case to ensure safety. The products can be plugged in the contactor and installed independently or mounted by rail.

Technical specification:


Type

Rated operating current(A)

Rated insulation voltage(V)

Current setting range(A)

Y3UA50

12.5

660

0.1-0.16

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

8-1.25

Y3UA52

25

660

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

 

Y3UA54

32

660

4-6.3

6.3-10

10-16

12.5-20

16-25

20-32

Y3UA58

80

1000

16-25

20-32

25-40

32-50

40-57

50-63

57-70

63-80

Y3UA59

63

660

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

Y3UA62

180

660

55-80

63-90

80-110

90-120

110-35

120-150

135-160

150-180

Y3UA66

400

1000

80-125

125-200

180-250

200-320

250-400

 

Y3UA68

630

1000

320-500

400-630

 
 
 
 
 
 
 
 
           
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