Product Description
STH series of thermal overload relay can be used in the circuit of 50/60 HZ, rated insulation voltage 660 V, rated current 0.1-93A for protecting the phase break when the electric motor is overload , the relay has different mechanism and temperature compensation can be pluged in ST1 series AC contactor,It is the most advanced thermal relay in the nineties in the world the products comply with IEC 60947-4.
Specifications:
IEC STANDARD: 60947.1
COIL VOLTAGE:24,220,240,380,415V
RATED CURRENT:0.63,1,1.6,2.5,4,6,8,10,13,18,25,32(TR2-D13)
32,40A(TR2-D23)
32,40,50,65,70,80A(TR2-D33)
93,104,120,140A(TR2-D43)
| Type |
Thermal Component |
Rated Current
(A) |
Regular or Scale of
Rated Current(A) |
| STH(GTH)-22 |
0.14 |
0.10-0.16 |
| 0.21 |
0.16-0.25 |
| 0.33 |
0.25-0.40 |
| 0.52 |
0.40-0.63 |
| 0.82 |
0.63-1.0 |
| 1.3 |
1.0-1.6 |
| 2.1 |
1.6-2.5 |
| 3.3 |
2.5-4.0 |
| 5 |
4.0-6.0 |
| 6.5 |
5.0-8.0 |
| 7.5 |
6.0-9.0 |
| 8.5 |
7.0-10.0 |
| 11 |
9.0-13.0 |
| 15 |
12.0-18.0 |
| 19 |
16.0-22.0 |
| STH(GTH)-40 |
22 |
18.0-26.0 |
| 30 |
24.0-36.0 |
| 34 |
28.0-40.0 |
| STH(GTH)-85 |
30 |
24.0-36.0 |
| 34 |
28.0-40.0 |
| 42 |
34.0-50.0 |
| 55 |
45.0-65.0 |
| 65 |
54.0-75.0 |
| 74 |
63.0-85.0 |
Our Services:
- Competitive price
- Continuance Service and support
- Good-after service
- Quality Reliability and Long Product Life.
Contact us
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