M12 connector-rear lock panel plug-in metal circular connector, adopts front outer fixed nut design, with shock-absorbing and waterproof gasket, excellent protection performance. Support pin bare wire or circuit board welding, the connection is locked with screws, and the installation is stable. The metal body has both corrosion resistance and explosion-proof characteristics, adapts to the needs of industrial connection in multiple scenarios, and provides 4-17 pin cores in multiple specifications, providing efficient solutions for equipment integration.
1. Product Features
The connector is made of metal to create a round body with excellent mechanical strength and anti-interference ability. The innovative front outer fixing nut design can be installed without removing the panel, which improves construction efficiency; the built-in shock-absorbing waterproof gasket has a protection level of IP67, which effectively resists dust, water vapor and vibration shock. The pin supports bare wire or direct welding to the circuit board, with strong compatibility; the connection adopts a screw locking structure to ensure stable signal transmission, suitable for harsh industrial environments.
2. Product size and number of pins
Size specification: Two thread specifications are provided, the male size is about 27.7×21.5×10.2mm (including fixing nut) and the female size is about 27.0×21×10.2mm, which is suitable for standard industrial panel openings.
Number of pins selection: Covering multiple specifications of 4-17 pins (A type 4/5/8/12/17 pins, B type 5 pins, D type 4 pins), meeting different signal transmission requirements, supporting customized combinations, and providing flexible solutions for equipment integration.
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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