Product Specifications
| Prod Model: |
LR2 |
| Markets: |
Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Rated Voltage: |
up to 660V, 1000V |
| Rated Current: |
up to 630A AC 50/60Hz |
| Frequency: |
50Hz or 60Hz |
| Theory: |
Thermal Relay |
| Size: |
Miniature |
Product Description
LR2 Thermal overload relay
Scope of application:
JR28 series thermal overload relay is mainly used in the circuit with AC 50Hz or 60Hz,
Rated voltage 660Vor below and rated current up to 93A having the function of motor overload and phase failure protection. And it can combine with the corresponding AC contactor as magnetic starter.
The product comforms to GB14048.4, IEC60947-4-1 standard.
Structure features:
The layout of the thermal relay is three-dimensional with a novel and beautiful model and has the functions of phase-failure protection, temperature compensation, setting current adjustable, automatic or manual reset arbitrary
Choice and trip indication. It also has the electrically separate normally closed and normally openedauxiliary
Contacts, test button, stopping button, small installation area, various installation methods and many other
Functions. In addition, it can also make the reliable operating check. Its finger guard can prevent electric shock
And is safe to use. The most important point is that it has a locking devices to avoid wrong operation.
Working conditions:
1. The altitude do not exceed 2000m;
2. Ambient air temperature does not exceed 40 degrees Celsius, and the average temperature within 24h does
Not exceed 35 degrees Celsius; Minimum ambient air temperature is -5 degrees Celsius;
3. The air relative humidity of installation sites does not exceed 50% at a maximum temperature of 40 degrees
Celsius; While can be allowed to have higher relative humidity at a lower temperature, such as to reach 90% at 20
Degree Celsius. Special measures should be taken to solve the occasional condensation due to temperature changes.
4. Pollution degree: 3 degrees;
5. The tilt with the vertical is not more than 5 degrees;
6. In the no dangerous explosion medium, and in the places where the medium does not enough to corrode metal and
Destroy the red insulating gas, and the places having the presence of charged dust;
7. The places having rainproof device and not filling with vapor;
8. No significant shake, shock and vibration
Tripping characteristic:
This current - time curve shows the relations betwen the time from cold state to tripping and actual current as well as
Setting current multiple. Tripping curve 3 is applied for 3-pole load, anf tripping curve 2 is applied for 2-pole load, and
Single-pole load. Release curve is ranged between 2 and 3 curve. For the normal operation, the three pairs metal
Sheets of the thermal release are heated. Thermal relay is used for the protection of single-pole or when DC load,
Three contacts should be series connection In this time, the current injection of the heating release for 3-phase symmetrical load is from 105% to 120% of setting current.
We also produce many various of relays.
Welcome to contact with us if you are interested in. We are looking forward to starting the cooperation with you
Contact:
Tel: +86-577-57189983
Mobile Phone: +86-13616776676
Fax: +86-577-2713637
The company is a professional manufacturer of low-voltage electrical components, power automation equipment, electrical construction oriented electrical manufacturing companies, but it is also a collection of scientific research, commerce and trade as one integrated enterprise. The national water system network, identified as "networks" of recommended by the State Economic and Trade Commission.
Over the years the company, through constant practice, innovation, effort, enterprise achieved rapid development. The company's existing high-, MID-level engineers and technicians 31 people, 816 employees, supporting assist 126 enterprises; same time, the company has established a marketing network outside by point to the surface, China to over 300 domestic sales outlets now. The products are widely used in power plants, banks, hospitals, hotels, chemical, military, factories and other infrastructure, buildings and residential areas.
Company's major series specifications of the products have passed the national CCC certification, while continuing to deepen the quality of management, and actively with the international standards, the full implementation of ISO9001 international quality system certification, and passed the quality system certification, some products made UL, EC body CE certificate, the product is well received by domestic and foreign users.
To face the challenges of the new century, the company will continue to carry forward the "advocate science, sticking to integrity and pragmatic, harmonious development" spirit of enterprise, is committed to the construction of "science and technology enterprises" TELI Foundation became a powerful cultural cohesion and brand influence modern enterprise.
