2. Usage condition

Ambient temperature: work: - 40 ~ + 60;

Storage and transportation: - 40 ~ + 70
Relative humidity: 98% at 40
Altitude: not more than 2000 meters.

Vibration: 10-55hz,
Amplitude: 0.35mm
Impact: 30m/s2

3. Standard,safty and environmental protection

(1) Comply with GB14048.4-2003 / IEC60947-4-1:2000 low voltage switching equipment and control equipment electromechanical contactor and motor starter standard.

(2) YD/T585-2010 General credit distribution equipment technical conditions.

4. Order represeation

JQ-600H(B)/48-48BW

JQ: DC contactor

600:Rated load 600A

H:Normally opened

(B): Communication power

B:Double coil

48: the contact voltage

48: the coil voltage

W:Bending mounting plate

5. the difference between High voltage DC contactor and low voltage DC contactor

with the small current switch control of high-current electrical appliances, operating to reduce the risk factor, the contactor can achieve remote control, maily used in the frequent start of the device.

the realization of small current switching control of high current electrical appliances and to achieve the control loop and the main circuit isolation.

6. Low voltage DC contactor  and high voltage DC contactor 

7. General description about company

Shenzhen Zhenhua Qunying Electronics CO.,Ltd. Was founded on July 6 , 2012. It's located in in Shenzhen, China's first economic Zone. Our plant was built in 2017. We are Professional manufacturer of Electronics focusing on researching, producing and Selling high(low) pressure Contactor, relay(Magneticretaining relay), shunt Resistor, potentiometer.


8. Our mission
A.  Focusing on quality,

B.  Innovation is our life,

C.   Offering best service to Our customers,

D.   Dedicating all the energy to our business,

E.   Thankfulness to all.

We strictly supervise of products' quality and have been trying to Supply the best service and competitive price to our Customers. In order to Guarantee the interest of customers, we organize a Professional technical team To track industry market and researching suitable Products to meet our Customers' needs.


9. High quality Service 
Best Service with after-sales service and consultation,we have an excellent Customer service driven approach to our business, unlike most sites we are Consistently available via sales hotline, email, skype or MSN and always Respond to emails within 30 mins.

10. Packaging and Shipping

(1) Packaging
Export carton, or customers requirements.
(2)shipping 
by air or by sea(FOB port: Shenzhen,Guangzhou), by express(DHL, UPS, TNT, FEDEX)