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12VDC 30A Used in Automotive Usage DC Relay Highpower DC Contactor

category： Contactors

reference price：￥$5.00 - $25.00

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Wenzhou Xinchi International Trade Co., Ltd.

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Product details Company introduction

Parameter information

Product Description

JSR series inflatable high power DC contactor is suitable for DC high voltage, high current change applications. In recent years, photovoltaic, energy storage, wind energy and electric vehicles have been used to vacuum the product or to fill the product with nitrogen and inert gas for arc extinguishing. In the vacuum, because the pressure is low, the gas molecules are less, the breakdown voltage between the contact gaps is increased, and the possibility of arc formation is reduced to achieve the purpose of arc extinguishing. Inflatable inert gas decomposes and ionizes at high temperatures and is very different from air. At the same time, inert gas molecules and their decomposition at high temperatures have the property of adsorbing free electrons and forming negative ions, which makes them burn in inertia. The arc has a lower arc voltage, a smaller arc diameter, and a smaller thermal inertia of the arc column. The above two methods have high requirements on the processability, and the airtightness of the product during the entire life process cannot be destroyed, otherwise the product life will be greatly shortened.

Product Parameters

Product number	JSR30A—1G—X—SH	JSR50A—1G—X—SH
Contact form	SH	SH
Contact material	Cu alloy	Cu alloy
Contact resistance	≤1.9mΩ（12VDC/10A）	≤1.9mΩ（12VDC/10A）
Maximum switching voltage	1200VDC	1200VDC
Maximum switching current	250A/320V	250A/320V
Overload cut	250A at 320VDC, 1 time	250A at 320VDC, 1 time
Mechanical life	2x105time	2x105time
Electrical life	1×104time（400V，30A）	1×104time（400V，50A）
Standard Voltage	12VDC	24 VDC	48 VDC
Operating Voltage	9.6~13.2VDC	19.2~26.9 VDC	38.4~52.8 VDC
Maximum voltage	15VDC	30 VDC	60 VDC
Maximum pull-in voltage	9.6 VDC	19.2 VDC	38.4 VDC
Performance parameter
Insulation resistance			≥100MΩ/500VDC
Dielectric withstand voltage			2500VAC/min
Action time			≤20ms
Release time			≤12ms
Shock			11ms, 1/2 sine wave, peak, 196 m/s2
vibration			Sine wave, 10~2000Hz, peak, 196 m/s2
Ambient temperature			-40～85℃
Use ambient humidity			5%～85%RH
Terminal form			Threaded type
Package form			Inflatable seal
weight			About 120g

Detail

The charging capacity is above 30A, and the current of 250A can be cut off at 320VDC; the volume is small and the weight is light. The switch portion and the drive portion are inflated and sealed so that they can cut off high capacity loads. Fully sealed construction for high safety; for use in explosive or hazardous environments, the coils and contacts are not oxidized, even if they are not working for long periods of time. Built-in energy-saving coil, low holding power, the back electromotive force is close to 0V.

Application

Applications include electric vehicles, fast charging piles, battery switching and backup, high voltage DC voltage switching control, circuit protection and safety control.

Main Products

Company Information

Wenzhou Xinchi International Trade Co., Ltd is a group company,There are four branch companies subordinate to it. Registered trademark is "suntree".

Main Products:DC-Fuse, Solar system parts,Solar Panel/Inverter/Cable/Connector, AC&DC Circuit Breakers, MCCB, ATS auto transfer switch, Isolator switch, Waterproof distribution box,DC combiner box, etc.

Quality &Standards:Products are producted per ISO9001:2008, IEC60947, IEC60898,CB, SAA, TUV,CE,SONCAP,ROHS, Nemko, PCT, CCC etc.
Main markets:Australia,New Zealand,&other worldwide markets.

Business strategies &Characristic:Stability, expertise and technological innovation are the corner stones of our company's business strategy.
We are trying to develop XinChi into a world-class Electrical manufactures

The end of the life of the contactor, that is, the insulation of the insulated instrument at 500V, the insulation strength between the output ends is as low as 50 megohms.

Precautions

1. To touch the load terminal when the contactor is energized, be careful of the risk of electric shock. 2. When testing the control loop and non-metallic materials for withstand voltage, disconnect the load voltage. 3. Do not install the product in a place with a strong magnetic field (transformer or magnet) or an object near heat radiation. 4. Do not dip the debris and oil to the main lead-out terminal, and the external lead terminal is in reliable contact with the main lead-out terminal, otherwise the terminal will be heated. Very powerful, causing the connecting cable to melt. 5. When performing the operating voltage test, do not slowly increase the voltage. Please drive the coil by the step power supply method. 6. The stud tightening torque of each mounting part is controlled within the specified range. The nut locking torque of the load contact screw mounting part is GB/T3098.10 requirements. The stud torque of the contactor mounting part is 3-6N.m. 7. In case of falling outside the relay and being impacted, please do not use it in principle.

Company introduction

Suntree built in 2010 years. The mother factory located in "Electricity Capital" liushi town Wenzhou city. Total area around 6000m2. Workers around 300. Since its inception, Suntree has started to build its own brand (Suntree). During 10 years, Sunrtee has own as many as 40 patents, including 10 invention patents.

In 2010, Suntree successfully entered the Australian market to enter the international market. Solar components occupy 35.6% of Australian market in 2017. Suntree takes Wenzhou as sales center,also expand markets in Sweden, Mexico, India, Australia, South Africa, Philippines.
In view of this, Suntree not only focus on technical team and QC team, but also focus on the sales team, Till now, QC total 50 person. R&D total 10 person. With Suntree sales development, sales team expand to 4 teams now.
Since Suntree's inception, the proportion of technology investment increase from the initial sales of 0.3% to 5% now. Strongly support for products technological changes to bring safety to customers. Suntree set up a different technical team and project members:DC components for solar system(such as DC circuit breaker, DC isolating switch, DC surge protector, inverters, combiner box, etc.), power distribution systems for construction industry (such as ATS, MCB, MCCB, etc.). Completed the transition from the AC system to the DC system and enriched the company's product line. Marking Suntree the first choice of one-stop service sourcing centers for customers.
To ensure thst customers can use the products safely, we have invested in the renewal of testing equipment for each series of products, which is from basic performance testing to environmental testing, from the first inspection to factory sampling inspection, one by one in place. So as to have a good idea of each batch of products according to the actual situation of customers. The corresponding environment testing ensure that the products is qualified to enter the market.

essential information
country：	China
company address：	ChinaZhejiangNO. 3 Shiqian Road, Xinguang Industrial Zone, Liushi Town, Yueqing city, Zhejiang,China
website：	https://suntreesolar.en.alibaba.com/