DC contactor manufacturer

Author : Site Editor
Publish Time :08-14-2019

Company Profile

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.

Dongya has advanced technology, equipment and rich experience, and also have all abilities and resources about the product design, mold manufacturing, parts processing, assembly, calibration and inspection. For many years, with the spirit of "preciseness, refinement, credibility and innovation", Dongya has always been improving the manufacturing technology and equipment to raise the level of technology and product quality.

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

FAX: 0086-577-62815722

E-mail: dongya@cndongya.com

product description

DC contactor ZLJM-125D 1Z

DC contactor manufacturer_DC contactor ZLJM-125D 1Z


  • 125A Contact Switching Capability
  • 2H (DPST-NO) Contact Arrangement
  • Max Coil Power Dissipation :12W
  • Application:For Electric Control System Of Communication Power Supply、Engineering Machine、Electromotion Forklift、Motor Car、Train、Watercraft and UPS etc.


Model No. ZLJM—125D 1Z
Contact Arrangement 2H (DPST-NO)
Contact Material AgCdO(12)
Contact Rating(at Resistive Load) 125A 80VDC
  125A 250VAC
Max. Switching Voltage 80VDC,250VAC
Max. Switching Power 25000VA(AC);10000VA(DC)
Endurance of Over Loading Current(7Ie/10S) 875A/10S
Coil Rated Voltage (12、24、48、60、72、120)VDC, etc.
Pick-up Voltage (40~70)% of coil rated voltage
Drop-out Voltage (5~30)% of coil rated voltage
Contact Pressure Drop At most 80mv 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 -25℃~+60℃
The shocking of fixed point (10~200)HZ、acceleration≤3.5g
Shocking (60~100) time/minute、acceleration≤4g
Mechanical Life 100,000 Operations (no load)
Electrical Life 10,000 Operations (at rated load)


High Voltage DC Contactor DH200H

DC contactor manufacturer_High Voltage DC Contactor DH200H


  • 500A rating current (Continues current), 200A breaking current,small volume;
  • Switch DC loads at both low and high voltage from 12 to 900VDC;
  • Coil power is very low, built-in coil economizer only1.7W;
  • Application:For Electric Control System,Communication Power Supply,The solar system,Heavy truck,Emergency vehicles,Boats,Light rail,Mining,The charging system,Train,UPS etc. ;
  • Safety Approvals: UL、CCC


Product No. DH200A
Contact type SPST-NO
Contact current(continues current) 500A
Breaking current 200A
Contact rated operating voltage 12~900V
The maximum switch current 2000A(320VDC) 1 Operations
Contact voltage drop Max. 80mV at 100A
Pick-up Voltage(V) (40~70)% of Coil Rated Voltage
Drop-out Voltage(V) (5~40)% of Coil Rated Voltage
Close(Includes bouncing time)Max Max. 20ms.
Contact bouncing on close Max. 7ms.
Release Time Max. 12ms.
Vibration, Sinusoidal(10~2000Hz peak) ≤20g
Shock(11ms,1/2sine、peak、operating) ≤20g
Operating ambient temp range -40℃~+85℃
Storage ambient temp range -55℃~+120℃
Insulation Resistance Min. 100MΩ @ 500VDC
Dielectric Strength 2200VAC 50 Hz/60 Hz (1 minute)
(Between Insulated Electric Parts)  
Electrical Life Table 1
Mechanical Life 300000 Operations
AUX. Type 1NO
AUX. Contact load range 2A/30V DC / 3A 125VAC
Aux. Contact Min. load 100mA/8V
Mounted direction any direction
Weight 0.55kg
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