M12 Connector Rear Lock PCB Metal Circular Connector

M12 connector-rear lock panel plug-in metal circular connector, with rear lock panel design, supports inner fixing, equipped with shock-absorbing and waterproof gasket, excellent protection performance. The pin supports bare wire or welding circuit board, and the connection is locked with screws to ensure stability and reliability, suitable for industrial automation, equipment connection and other scenarios.

1. Product Features
The connector adopts a rear-lock panel structure, supports dual fixing inside and outside the panel, is easy to install and has strong adaptability; built-in shock-absorbing waterproof gasket, effectively resists harsh environments such as dust and water splashes, and has an outstanding protection level; the pins can be selected by bare wire or circuit board welding to meet diverse wiring needs; the connection is locked by screws to prevent loosening and falling off, ensuring signal transmission stability and long-term reliability.

2. Product size and number of pins
​​Dimensions and specifications​​: Two thread specifications of M12×1.0 and M16×1.5 are provided. The outer diameter of the male head is 27.2mm, the length is 21mm, and the diameter at the interface is 16.1mm; the outer diameter of the female head is 25.8mm, the length is 19.7mm, and the diameter at the interface is 16.1mm. Both are equipped with a standard installation spacing of 3mm, which is suitable for mainstream panel openings.
​​Number of pins selection​​: Covering 7 specifications including Type A (4/5/8/12/17 pins), Type B (5 pins), and Type D (4 pins), with various male and female pinhole arrangements, supporting flexible configuration of 4-17 pins to meet the signal transmission requirements of different devices.

3. Materials and technical parameters

Materials and parameters
Number of pins 3 4 5 8 12 17
Connection PCB board welding
Wire gauge /
Cable OD 6~8mm
Operating temperature -25℃~+85℃
Mechanical operation >100 mating cycles
Rated voltage 250V 60V 30V
Rated current 4A 2A 1.5A
Protection degree IP67/IP68
Contact resistance <10mΩ
Insulation resistance ≥100MΩ
Pin contact CuZn
Socket contact CuSn
Contact plating Au

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