Product Specifications
| Prod Model: |
T370 |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia |
Product Description
T370 thermal overload relay
Application
T370 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 0.16-500A 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.
Applicable Standards: National Standard: GB 14048, International Standards: IEC 60947-4-1.
The relays can be mounted onto contactors or installed as single units.
Operating Conditions
The altitude couldn t exceed 2000m.
Ambient temperature: -5 ~+55 degree centigrade and the average temperature no more than +35 degree centigrade in 24 hours.
Atmosphere: Comparative humidity no more than 50% at max +40 degree centigrade, and it may be higher at a lower temperature. The lowest average temperature no more than +20 degree centigrade in the wettest month.
The maximum average comparative humidity of this month could not exceed 90%, The change of temperature leading to dew on the product must be considered.
Class of pollution: Class 3.
The slope between installation surface and vertical surface could not exceed plus and minus 5 degree
Keeping away from explosive, corrosive and electric atomy.
Keeping dry.
The product should be used and installed at certain place without any shock, vibration etc.
|
Item |
NO. |
Times the
setting current |
|
Release time |
Ambient temperature |
Three-phase
balance
motion time
as shown |
1 |
1.05 |
|
> 2h |
from minus 44 degree centigrade to plus 55 degree centigrade |
|
2 |
1.2 |
|
< 2h |
from minus 44 degree centigrade to plus 55 degree centigrade |
|
3 |
1.5 |
|
< 4min |
from minus 44 degree centigrade to plus 55 degree centigrade |
|
4 |
7.2 |
10A |
10A 2s< Tps10 s 63A |
from minus 44 degree centigrade to plus 55 degree centigrade |
|
|
|
10A |
10A 4s< Tps10 > 63A |
from minus 44 degree centigrade to plus 55 degree centigrade |
Phase-losing
motion
characteristic |
|
Any two phases |
Another phase |
|
|
|
5 |
1.0 |
0.9 |
> 2h |
from minus 44 degree centigrade to plus 55 degree centigrade |
|
6 |
1.15 |
0 |
< 2h |
from minus 44 degree centigrade to plus 55 degree centigrade |
|
Selection and Ordering Date |
|
Type |
Rated current A |
Setting range(A) |
|
1 |
|
LRD-40 |
40 |
0.7~2.8 |
|
|
2.5~10 |
|
|
10~40 |
|
LRD-160 |
160 |
40~80 |
|
|
80~160 |
|
LRD-600 |
600 |
100~300 |
|
|
200~600 |
Zhejiang Huayang Electric Co., Ltd. Specializes in manufacturing the Electronic overload Relays, Thermal Overload Relays, Electronic Voltage Relays, Other Protection & Monitoring Devices, Current Transformers, Shunt and any other electrical equipments. After several years' development, Vaya has become a larger enterprise combining research, production, sales and after-sales service of electronic relay and is one of the famous manufacturers in China. All of our production procedures are strictly followed ISO 9001. We also get across safety certification such as CE, CB, UL, CCC, etc. We are sure that we can offer you the product with good quality as well as competitive price as we have advanced technology and prefect testing equipments, with Up-To-Date machines and production.
Thanks to the perfect character, good service, and high quality, our products are well sold both in domestic and oversea markets, and highly praised by the clients. With the principle of quality, technology and credit, we insist on "Talents Is Our Base, Technique is the Source of Enterprise Development". And always continually research and develop new products to meet the clients' need. Look forward to establishing a long term business relationship with you!
