The M8 circular metal connector adopts a brass pin core with a nickel-plated shell and has a screw locking structure to ensure a stable and reliable connection. The product supports 3-pin/4-pin configuration, which is suitable for industrial equipment signal transmission and power connection. With its corrosion resistance and vibration resistance, it provides a long-term and stable electrical interconnection solution for harsh environments.
1. Product Features
The M8 connector uses high-quality brass as the pin core material, with excellent conductivity. The nickel-plated surface effectively improves the anti-oxidation and anti-corrosion capabilities, and is suitable for harsh working conditions such as humidity and dust. The circular metal shell has both mechanical protection and EMI shielding functions, and is equipped with a high-precision screw locking device to withstand axial tension in a vibration environment to avoid poor contact. The assembled design supports quick plugging and unplugging, and at the same time, it is tightly fixed through threaded engagement to ensure the connection stability during long-term use.
2. Product size and number of pins
Male head REF 50): body height 14.1mm, maximum outer diameter 13.00mm, adapted to M8×1.0 thread, axial locking structure thickness 10.9mm;
Female head REF 46): body height 14.1mm, maximum outer diameter 13.00mm, built-in M8 thread interface, side locking spacing 7.0mm.
3. Materials and technical parameters
| Materials and parameters | ||
| Number of pins | 3 | 4 |
| Cable fixing method | Screw connection | |
| Wire gauge | 0.14/0.25/0.34 mm²/(26/24/22 AWG) | |
| Cable OD | 3~5.5mm | |
| Operating temperature | -25℃~+85℃ | |
| Mechanical operation | >100 mating cycles | |
| Rated voltage | 50V AC/60V DC | |
| Rated current | 3A | |
| Protection degree | IP67/IP68 | |
| Contact resistance | <10mΩ | |
| Insulation resistance | ≥100MΩ | |
| Pin contact | CuZn | |
| Socket contact | CuSn | |
| Contact plating | Au | |
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