M8 Series Panel Mount Connector | Straight & Right Angle, Plastic & Metal Housing Optional

The M8 panel mount connector series includes straight vertical and right-angle horizontal installation types with fully unified electrical performance, pin definition and PCB hole positioning dimensions. Plastic housing and metal housing versions share identical core electrical parameters while differing greatly in mechanical strength, protection level and anti-interference capability. The series supports multiple pin configurations including 2-core, 3-core, 4-core, 5-core and 6-core, covering mainstream low-power power supply and high-precision signal transmission requirements for miniature industrial equipment.

1.1 Structural & Dimension Parameters

This connector adopts standard M8 threaded locking structure with accurate thread pitch and smooth engagement, ensuring reliable self-locking and anti-loosening performance during equipment vibration and movement. The entire series is PCB panel mount type only, available in two installation styles: straight vertical through-hole mounting and 90-degree right-angle side mounting. The straight type is designed for standard vertical PCB installation, featuring neat arrangement and stable fixation, suitable for regular equipment internal layout and cabinet assembly. The right-angle type changes the connection direction horizontally, effectively solving the installation limitation of narrow vertical space, highly adapting to compact equipment structure and dense circuit board layout.

Two housing materials are optional. The plastic housing adopts high-performance PA66 flame-retardant engineering plastic with integrated injection molding process, featuring seamless structure, good toughness, excellent insulation and light weight. The metal housing is processed by precision CNC machining with nickel-plated anti-corrosion surface treatment, delivering high rigidity, compression resistance, torsion resistance and strong structural stability. All mounting hole positions and overall dimensions comply with international universal standards, ensuring high compatibility and interchangeability with mainstream industrial equipment on the market.

1.2 Electrical Performance Parameters

Rated current: 4A for 2/3/4-pin models, 2.5A for 5/6-pin models; Rated voltage: 60V AC/DC for low-core configurations and 30V AC/DC for high-core configurations. The product features a high withstand voltage of 1500V AC (50Hz, 1 minute) without breakdown or flashover, providing strong insulation protection against instantaneous voltage surges. The insulation resistance reaches more than 1000MΩ at normal temperature and humidity, effectively preventing current leakage, short circuit failure and insulation aging risks.

The contact resistance is controlled below 5mΩ, achieving ultra-low-loss signal and power transmission without signal attenuation, delay or distortion. The conductive pins are made of high-purity copper alloy with gold-plated surface treatment, which significantly improves electrical conductivity, oxidation resistance and corrosion resistance. The mechanical and electrical plugging life exceeds 1000 cycles, maintaining stable electrical performance after long-term repeated plugging and continuous power-on operation.

1.3 Mechanical Performance Parameters

Equipped with reinforced thread locking structure, the connector features standard locking torque of 0.4N·m to 0.8N·m, ensuring firm locking and preventing loosening caused by mechanical vibration and equipment operation. The plugging force is moderate and stable, convenient for manual assembly and daily maintenance without causing pin deformation or shell damage. The product can withstand continuous vibration of 10Hz to 2000Hz and instantaneous mechanical impact, adapting to long-term vibrating working environments of automated machinery and mobile industrial equipment.

The welding terminal root of both straight and right-angle versions adopts structural reinforcement design, which effectively resists welding high-temperature stress and external pulling force, avoiding virtual welding, desoldering and terminal falling-off problems during mass production and long-term use. The metal housing version provides stronger mechanical protection, while the plastic housing version maintains excellent toughness and impact resistance for commercial and indoor applications.

1.4 Environmental Performance Parameters

Working temperature range: -40℃ to +85℃; storage temperature range: -50℃ to +90℃. The connector can work stably in extreme low temperature, high temperature and alternating cold and hot environments without material aging, deformation or performance degradation. It can resist long-term high humidity environment of 95%RH non-condensing, with excellent moisture-proof, mildew-proof and anti-corrosion capabilities.

In terms of protection grade, the plastic housing version reaches IP44 dustproof and splash-proof level, suitable for indoor and protected environments. The upgraded metal housing version achieves IP67 full dust-proof and water-proof performance, capable of resisting dust infiltration and short-term water immersion, fully meeting the protection requirements of industrial workshops, outdoor equipment and humid and dusty working conditions. All materials have excellent anti-ultraviolet and anti-aging properties, ensuring long service life in complex environments.

1.5 Welding & Installation Parameters

The M8 panel mount connector supports both manual soldering and wave soldering processes, which is highly compatible with automated SMT and through-hole mounting production lines. The recommended soldering temperature ranges from 240℃ to 250℃ with a single soldering time of 2 to 3 seconds to avoid high-temperature damage to the insulating body. Standard through-hole positioning ensures accurate board insertion, high welding yield and stable batch consistency, perfectly suitable for industrial mass production and standardized equipment assembly.

Our M8 series straight and right-angle panel mount connectors with plastic and metal dual housing options provide highly standardized, high-stability and space-saving board-mount connection solutions, solving the problems of single installation angle, poor environmental adaptability and unstable welding structure of traditional miniature connectors. With dual-angle installation design and dual material selection, this series can fully meet the precision installation requirements of compact electronic equipment and harsh industrial equipment, possessing obvious competitive advantages in structural flexibility, transmission stability and environmental versatility.

2.1 Dual Installation Angle Design for Full Space Adaptability

The M8 panel mount series provides straight vertical installation and 90-degree right-angle horizontal installation two structural forms. The straight type is suitable for conventional vertical PCB layout and standard equipment cabinet assembly with neat wiring and stable structure. The right-angle type solves the installation bottleneck of limited vertical height and narrow internal space, realizing horizontal steering connection and greatly improving equipment structural design flexibility. The dual-angle design allows customers to select the most appropriate installation method according to actual space constraints, realizing zero dead-angle installation for miniature electronic equipment.

2.2 Plastic & Metal Dual Housing for Customized Performance Matching

We provide two housing options to balance cost and performance. The plastic housing version features light weight, excellent insulation, no electromagnetic interference and cost-effective price, which is the optimal choice for indoor smart devices, consumer electronics, indoor sensors and commercial control equipment. It effectively reduces overall production cost while ensuring stable basic connection performance. The metal housing version adopts high-strength alloy material with high-precision surface treatment, featuring higher structural strength, stronger vibration resistance and IP67 high-level waterproof and dustproof performance. Most importantly, the metal shell provides 360° electromagnetic shielding function, which can effectively isolate external electromagnetic interference, eliminate signal clutter and data deviation, and ensure ultra-stable transmission of precision signals in complex industrial electromagnetic environments.

2.3 High Precision & Ultra-Stable Transmission Performance

Adopting gold-plated high-precision contact pins, the M8 panel mount connector achieves ultra-low contact resistance and excellent oxidation resistance, avoiding poor contact caused by long-term dust accumulation and pin oxidation. The standardized M8 thread locking structure ensures tight and reliable docking between plugs and sockets, effectively preventing signal interruption and jitter caused by vibration and loosening. The internal insulating material adopts high-temperature resistant and high-insulation engineering material, which can resist high-temperature aging and humid erosion, ensuring long-term safe and stable operation of circuits.

2.4 High Consistency & Mass Production Compatibility

All structural dimensions and electrical parameters are strictly implemented in accordance with international industrial standards, with high batch consistency and interchangeability. The optimized panel mount structure is suitable for automated wave soldering and batch assembly, greatly improving production efficiency and reducing defective rate for equipment manufacturers. The reinforced welding structure effectively avoids desoldering and virtual welding problems in long-term use, improving the overall reliability of terminal equipment.

2.5 Certified Safety & Excellent Environmental Adaptability

All products have passed RoHS international certifications, adopting environmentally friendly, non-toxic and flame-retardant materials, meeting global environmental protection and safety standards. With ultra-wide temperature resistance, waterproof, dustproof and anti-vibration performance, the M8 panel mount connector can adapt to various complex working environments, ensuring stable operation of equipment in industrial workshops, outdoor monitoring scenarios and temperature-alternating environments.

With dual-angle installation flexibility, dual-material selectivity, high stability and strong environmental adaptability, M8 panel mount connectors are widely used in industrial automation, intelligent IoT sensing systems, precision instruments, smart home electronics, automotive auxiliary equipment and security monitoring systems.

3.1 Industrial Automation Equipment

Widely applied in industrial sensors, micro solenoid valves, small actuators, PLC control modules and automated assembly line detection units. The metal shielded version can resist industrial electromagnetic interference and mechanical vibration, ensuring stable and accurate signal transmission of automated equipment.

3.2 Intelligent IoT Sensing System

Suitable for temperature, humidity, pressure, photoelectric and proximity sensors used in environmental monitoring, smart agriculture, building intelligence and industrial IoT terminals. The compact panel mount structure helps realize miniaturized and integrated design of sensing equipment.

3.3 Precision Testing & Measuring Instruments

Used in portable precision testing instruments, optical detection equipment and experimental analytical instruments. The electromagnetic shielding performance of metal housing effectively ensures the accuracy and stability of detection data and experimental results.

3.4 Smart Home & Consumer Electronics

The cost-effective plastic housing version is widely used in smart lighting, intelligent access control, smart security and household intelligent control modules, providing stable connection performance for civilian intelligent equipment.

3.5 Automotive & Outdoor Intelligent Equipment

The IP67 waterproof metal version is suitable for vehicle-mounted miniature electronic modules, outdoor monitoring equipment and landscape lighting systems, adapting to outdoor rain, dust and vibration environments.

Q1: What is the difference between straight and right-angle M8 panel mount connectors?

Straight connectors adopt vertical up-and-down insertion, suitable for regular vertical PCB installation and standard cabinet layout. Right-angle connectors adopt 90-degree horizontal steering installation, which solves the problem of insufficient vertical installation space. The two types have completely consistent electrical parameters and mounting hole positions and can be interchanged according to actual space requirements.

Q2: Should I choose plastic housing or metal housing?

Plastic housing is lightweight, low-cost and highly insulated with IP44 protection grade, best for indoor static and commercial smart equipment. Metal housing features IP67 waterproof dustproof grade and 360° electromagnetic shielding, ideal for industrial sites, outdoor environments, vibrating machinery and high-precision signal equipment requiring anti-interference performance.

Q3: Are M8 panel mount connectors compatible with standard M8 plugs?

Yes. All our M8 panel mount products comply with universal M8 industry standards, which are fully compatible with all standard M8 male and female connectors on the market with excellent interchangeability.

Q4: Do your products support automated wave soldering?

Absolutely. The M8 panel mount series is specially optimized for wave soldering and mass production, with stable high-temperature resistance and high welding yield, suitable for factory automated production lines.

Q5: Do you support customized specifications?

Yes. We support customized pin counts, special length, surface treatment and special environmental resistance parameters to meet customers’ personalized project requirements.

Q6: What certifications do your M8 connectors have?

All products are certified with RoHS, fully complying with EU environmental protection and safety standards and suitable for global export sales.

Q7: What is your after-sales service policy?

We provide 12-month global quality warranty and 24-hour online technical support. Standard products are in stock with fast delivery within 3–5 working days, and customized orders can be completed within 7–15 working days.

We are a professional manufacturer specialized in the research, development, production and sales of miniature industrial circular connectors, including M5, M8, M10, M12 full series products. With mature production technology, strict quality control system and rich customization experience, we focus on providing high-precision, high-stability and cost-effective industrial connection solutions for global customers.

Our M8 panel mount series with straight and right-angle dual installation structures and plastic/metal dual housing options can fully meet the diversified matching needs of industrial automation, intelligent IoT, precision instruments, smart home and automotive electronics industries. We support sample testing, batch purchasing and personalized customized services.

Welcome global customers to consult product parameters, obtain official datasheets, inquire about quotations and seek technical support. We are committed to providing reliable products and professional one-stop services to achieve long-term win-win cooperation.