Product Details
Electrical Thermal Overload Relay STH -40 With Auxiliary Contact
Block
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)
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 |
Company Profile
WENZHOU SANTUO ELECTRICAL Co., Ltd.(Before:YUEQING SHANTUO
ELECTRICAL CO.,LTD.) is one of manufactories that specialize in
manufacturing Circuit Breaker, AC CONTACTOR, Thermall
Relay,Magnetic Starter(DOL),Solid State Relay,Distribution Case, Voltage Regulator is located in Liushi, Wenzhou, China that called " the Capital of
Low Voltage Electronic Products", enjoying convenient
transportation access and a beautiful environment. The products
have passed CE approvals and strictly comply with IEC standards.
The company has advanced detection instruments and strong technical
force with strong research and development capability, product
constantly updated. The products export Europe, Asia, Southern
Amercia, Middle East, Western Africa market.The products have
passed CE certificate. And our Teams have more than 20years
Experience.
If you are interested in any of our products or would like to
discuss a custom order, please feel free to contact us. We are
looking forward to forming successful business relationships with
new clients around the world in the near future.
On the base of guarrantee the quality, we will try our best to
design new model with ourselves patents for the coming years.