Gold Member Since 2011
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CEA Group International Co., Ltd.

Thermal Relay, Overload Relay, Thermal Overload Relay manufacturer / supplier in China, offering Siemens 3ua Series Thermal Overload Relay, 100W Slim LED Floodlight with CE&RoHS Certification, Nylon Cable Glands (PG Type) and so on.

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Supplier Homepage Product Relay Siemens 3ua Series Thermal Overload Relay

Siemens 3ua Series Thermal Overload Relay

FOB Price: US $2.5 / Piece
Min. Order: 1,000 3UA-50
Min. Order FOB Price
1,000 3UA-50 US $2.5/ Piece
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Production Capacity: 500, 000PCS/Year
Transport Package: Standard Export Package
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 3UA
  • Phase: 3
  • Number of Pole: 3
  • Standad: IEC60947
  • Specification: CE
  • Theory: Thermal Relay
  • Electricity Type: Ac
  • Size: Miniature
  • Trademark: CEA
  • Origin: China
Product Description
APPLICATIONS:
3UA 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.
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
0.25-0.4 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
3UA52 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  
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 63 660 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
3UA62 180 660 55-80 63-90
80-110 90-120
110-35 120-150
135-160 150-180
3UA66 400 1000 80-125 125-200
180-250 200-320
250-400  
3UA68 630 1000 320-500 400-630
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