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[China]
Address: No. 3999 LiuJiang Road, Liushi, Yueqing, Wenzhou, Zhejiang, China
Contact name:Sunny Zhang
WENZHOU SANTUO ELECTRICAL CO.,LTD. |
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Plastic STR2 Thermal Protection Relay ,660V 50/60HZ Standard Thermal Overload Device
STR2 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)
Product Parameter
| 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 | |
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