7/8 PCB connector is a reliable solution in the field of industrial connection. It is made of brass nickel-plated material and has excellent corrosion resistance. It supports flexible configuration of 3-5 pins. The pin-to-pin panel welding process ensures stable signal transmission. The IP67 protection level effectively resists dust and short-term immersion in water, and is suitable for harsh environments. The compact design is matched with the standard UNF-7/8 thread, which is easy to install and widely used in automation equipment, engineering machinery and other fields, providing efficient and durable protection for system connection.
1. Product Features
The connector is made of nickel-plated brass as the main material, which has both high strength and corrosion resistance, and is suitable for harsh working conditions such as humidity and dust. The unique pin-core panel welding process ensures that the pin-core wire is tightly connected to the plug, reduces signal loss, and improves transmission stability. The protection level reaches IP67, which can withstand dust intrusion and immersion in 1 meter deep water for 30 minutes, meeting the high reliability requirements of industrial scenarios. It provides 3/4/5 pin cores in various specifications to adapt to different signal transmission requirements, front lock panel type and plug-in type dual installation methods, compatible with a variety of equipment panel designs, and convenient and stable installation.
2. Product size and number of pins
The connector adopts UNF-7/8 standard threaded interface, which is suitable for general industry specifications. The main body size is divided into two types: one with a diameter of 28.25mm and a length of 22.85mm, and the other with a diameter of 28.40mm and a length of 19.80mm, to meet the installation requirements of different spaces. The number of pins covers 3 pins, 4 pins, and 5 pins, and the corresponding pinhole arrangements are: 3 pins (male pinhole position 2-3-1, female pinhole position 3-2-1), 4 pins (male pinhole position 2-4-1-3, female pinhole position 4-2-1-3), 5 pins (male pinhole position 2-5-1-3-4, female pinhole position 5-2-1-3-4), supporting diversified signal combinations and adapting to complex circuit connection scenarios.
3. Product materials and technical parameters
| Materials and technical parameters | |||
| Number of pins | 3 | 4 | 5 |
| Wiring method | Panel welding/cable welding | ||
| Cable specifications | Max.1.5mm²(max.16AWG) | ||
| Cable OD | 6~8mm | ||
| Operating temperature | -25℃~+85℃ | ||
| Number of secure connections | >100 | ||
| Rated voltage | 300V | ||
| Rated current (40℃) | 12A | 9A | |
| Protection degree | IP67 | ||
| Contact resistance | ≤3mΩ | ||
| Insulation resistance | ≥100MΩ | ||
| Pin contact | CuZn | ||
| Socket contact | CuSn | ||
| Contact plating | Au | ||
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