3 pin 19 pin Q series metal circular connector

Q series waterproof circular electrical connectors are manufactured according to the standard SJ1744-81 of the Ministry of Electronics Industry, with advanced product structure and convenient operation.

  • Brand:

  • Item no.:

    Q14, Q18, Q24, Q30
  • Payment:

    Wire transfer, PayPal, Western Union, Alipay
  • Product origin:

  • Color:

  • Goods stock:

  • Shipping port:

    Xiamen, Ningbo
  • Lead Time:


3 pin 19 pin Q series metal circular connector

Feature of circular metal connector

  • Small size, light weight, fast connection, fast sharing, etc.

  • Wiring method: Soldering

  • Two combination: male plug & female socket, or female plug & male socket

Specification of Q series metal connector    

Temperature range: 



  40℃  98±3%
Connecting mode:   Bayonet connect


 10-200Hz, Acceleration 150m/s²


 Acceleration 150m/s²

Constant Acceleration:  

 Acceleration 245m/s²

Mechanical life: 

 500 times

Pin OD.(mm):  1 1.5 2.5
Working current: 
3 10 25

Voltage(≤ 400 V) 

Contact center distance 

≥ 3.5 mm 400 V 400 V 400 V
≥ 2.8 mm 500 V 500 V 500 V
Contact resistance(mΩ):  5 5 5

Ordering code of metal cable connectors


 Classified features and contents



 Circular connector type


 Matching diameter of socket and panel(mm) 14, 18, 24, 30

 Mark the Diameter size

3  Male  J
 Female  K
4  Contact number

 Mark the pin number

5  Plug  No marked
 Socket  A
 Docking plug  AP

 Cable sleeve form

 Standard  P



 Contact coating type

 Silver plated  No marked
 Gold plated 
8  Dust cover material  Plastic dust cover  S
 Rubber dust cover  X

Eg: Q14J2P- 14mm diameter, male, 2 pin, plug.

     Q18K2PJ- 18mm diameter, female, 2 pin, plug, gold plated

Application of connector

It is widely used in electrical connection between instruments, meters and electronic equipment.

*For more information, please contact us by email or through any contact information on the webpage.

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