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3UA overload relay

Short Description:

3UA series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz, voltage up to 690V, current up to 0.1-630A under 8-hours duty or uninterrupted duty.

Functions provided by these relays, are phase-failure protection,temperature compensation, ON/OFF indication, and manual automatic reset.


  • FOB Price: US $5 - 499 / Piece
  • Supply Ability: 5000 Pcs per Month
  • Payment Terms: L/C, D/P, T/T, Paypal
  • Control voltage: 24V 48V 72V 110V 230V 240V 380V 440V 480V
  • Brand : Nofuel
  • Product Detail

    Product Tags

    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

    3UA Family


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