DC contactor supplier

Author : Site Editor
Publish Time :08-05-2019

Zhejiang Dongya Electronic Co., Ltd is a manufacturing enterprise of producing, developing and selling high voltage&low voltage DC contactor, relay, shunt as well as hydraulic circuit breaker.

The products are mainly used in many fields as follows: telecom system, new energy vehicles, electric vehicles, charging pile, engineering machinery, household electrical appliance, converter, solar PV and many other electronic control systems. Our products are exported to the United States, Canada, Italy, Brazil, Turkey, India, Mexico, Germany, New Zealand and many other countries and also sold in the regions of Taiwan and Hong Kong.

We are professional DC contactor maker that are dedicated to providing high-quality products and excellent services for customers. Our main customers are Huawei, Delta, Vertiv, Siemens, ZTE, Baic Yinxiang, Sinexcel and so on.

TEL: 0086-577-62812228, 0086-577-62815712

FAX: 0086-577-62815722

E-mail: dongya@cndongya.com

product description

Normal Open 200A DC contactor ZLJ-200A, MZJ-200A

DC contactor supplier_DC contactor ZLJ-200A, MZJ-200A


  • 200A Contact Switching capability
  • SPST-NO Contact Arrangement
  • Coil Power Waste : 8W.
  • Application: For Electric Control System Of Communication Power Supply、Engineering Machine、Electromotion Forklift、Motor Car、Train、Watercraft and UPS etc.


Model No. ZLJ-200A/
Contact Arrangement 1H (SPST-NO)
Contact Material AgCdO(12)
Contact Rating(at Resistive Load) 200A 48VDC
Max. Switching Voltage 60VDC,250VAC
Coil voltage operating range (85~110) % of coil rated voltage
Pick-up Voltage (5~30) % of coil rated voltage
Contact Pressure Drop At most 30mV when 100A
Insulation Resistance Min. 100MΩ at 500VDC
Dielectric Strength 1000VAC 50 HZ/60 HZ (1 minute)
(Between Insulated Electric Parts)  
Operate Time Max. 50mSec.
Release Time Max. 50mSec.
Ambient Temperature -40℃~+55℃
The shocking of fixed point (10~200)HZ、Acceleration≤3.5g
Shocking (60~100) time/minute、Acceleration≤4g


             High Voltage DC Contactor DH100

DC contactor supplier_High Voltage DC Contactor DH100


  • 100A Contact switch capacity, Small volume;
  • A set of bridge type N.O.contacts contact circuit has  "+", "-" polarity;
  • Application:Telecom equipment、Solar system、 Engineering machinery、Electromobile、Electric vehicle、Charging system、Train、Ships、UPS etc.;
  • Safety Approvals:CCC
  • Comply with the ROHS


Product No. DH100
Contact type 1H(SPST-NO)
Rated load current of contact(Resistive load) 100A(DC-1)
The max switch current 1000A(320VDC) 1次
Contact voltage drop ≤80mV@100A
Switching voltage 12~900V DC
Standard pick-up time Max. 25ms.
(including contact bounce)  
Contact bounce time Max. 6ms.
Release time Max. 10ms.
Vibration(Sinusoid、80~2000HZ、peak) (80~2000)HZ,≤20g
Shock(11ms,1/2 Sinusoid、peak、pick-up) ≤20g
Operating ambient temperature -40℃~+85℃
Storage ambient temperature -55℃~+65℃
Relative humidity 20%~90% RH
Insulation resistance Min. 100MΩ @ 500VDC
Dielectric strength 2200VAC 50 Hz/60 Hz (1 minute)
(Between Insulated Electric Parts)  
Electrical life Please refer to diagram of resistance load life
Mechanical life 300,000times
Mounted direction Any direction
Pollution level


1. The rated electrical life is based on resistance load test. The load max inductance≤300μH; If used with inductive load, please do contact the factory first.
2. The above curve is drawn according to the test and infer data. Suggest users confirm in practical use.
3. When the product’s Dielectric withstand voltage、insulation resistance is less than the product parameters in the table, the product is defined as a life to an end.
4. Product max pick-up current is 300A to avoid contact cold welding

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