MaiTian Round-Half 8-Pin Male Connector, Cable-to-Wire Type with Waterproof Gasket
The MaiTian Round-Half 8-Pin solder-wire male connector is purpose-built for outdoor and semi-outdoor equipment interconnection scenarios, balancing mechanical reliability, waterproof performance and cost-effective harness processing. This half-round circular connector solves multiple pain points of conventional circular connectors in field installation, vibration environment and humid working conditions.
Product Specifications & Parameters
| Part Number | 112000022 |
| Product Name | MaiTian Round-Half 8-Pin Male Connector, Cable-to-Wire Assembly with Waterproof Gasket |
| Part Series | MaiTian Round-Half Circular Connector Series |
| Contact Gender | Male (Pin insert, solder-wire termination) |
| Pin Count | 8-pin configuration |
| Termination Method | Solder-wire type, for manual or semi-automatic wire soldering processing, suitable for stranded copper wire harness assembly |
| Housing Shape | Half-round circular housing, special-shaped outer profile for anti-mis-mating and positioning lock |
| Waterproof Accessory | Equipped with integrated silicone waterproof gasket, pre-assembled option available |
| Housing Material | High-grade thermoplastic engineering plastic, flame-retardant grade, anti-aging, anti-UV property for outdoor deployment |
| Contact Material | Copper alloy base with gold plating on contact mating area; high-conductivity, anti-oxidation, low contact resistance |
| Locking Structure | Built-in plastic snap-in locking latch, provides secure mating retention force, prevents accidental disconnection under vibration and pull force |
| Operating Voltage | Rated 250V AC/DC |
| Operating Current per Pin | 5A continuous current for each contact pin |
| Contact Resistance | ≤ 8mΩ (under standard test condition after mating) |
| Insulation Resistance | ≥1000MΩ at 500V DC |
| Withstand Voltage | 1500V AC for 1 minute without breakdown |
| Ingress Protection Grade | IP67 when fully mated with matching female receptacle and complete waterproof gasket installed; effective against dust, splashing water and humid outdoor environment |
| Operating Temperature Range | -40℃ ~ +85℃ |
| Applicable Wire Gauge | AWG 22-18 stranded copper wire for solder-wire termination |
| Mating Cycles | Minimum 500 mating-unmating cycles without obvious performance degradation |
| Color | Standard black insulating housing |
| Mounting Type | Cable-end male plug, not panel-mount; dedicated for harness cable side assembly |
| Matching Counterpart | Corresponding MaiTian Round-Half 8-pin female receptacle connector |
| Packing Way | Anti-static bulk bag or tray packaging for bulk order; anti-static material to avoid static damage to gold-plated pins |
| Quality Standard | Manufactured complying with industrial electronic connection component norms, raw-material traceability supported, sample test report available upon customer request. |
Product Features and Advantages
The MaiTian Round-Half 8-Pin solder-wire male connector is purpose-built for outdoor and semi-outdoor equipment interconnection scenarios, balancing mechanical reliability, waterproof performance and cost-effective harness processing. This half-round circular connector solves multiple pain points of conventional circular connectors in field installation, vibration environment and humid working conditions.
First of all, the unique half-round outer contour delivers reliable anti-mis-insertion function. Unlike fully-round circular connectors which may be rotated to wrong mating position, this special housing geometry only allows one correct alignment position during plug-in operation. Field installers can complete blind-mate operation even under dim site condition, greatly reducing human-caused mis-mating risk which may lead to pin short-circuit, signal failure or equipment burnout. The integrated snap-in lock latch built into housing provides stable retention force after full mating. Once plugged in, the connector will not release by slight pulling force or continuous mechanical vibration from running equipment. This mechanical locking performance is critical for moving devices, on-site portable devices and power-signal combined harness.
Second, integrated waterproof silicone gasket delivers solid environmental sealing performance. The matched waterproof rubber ring fits tightly between male plug and female receptacle mating interface. When fully locked, the whole mating interface reaches IP67 protection level. It blocks dust, rain splash, dew, moisture and partial spraying water from penetrating into internal pin contact zone. It effectively avoids hidden troubles including pin oxidation, corrosion, signal intermittent failure and short-circuit caused by humid and dusty surroundings. The silicone gasket material owns excellent temperature tolerance, will not turn hard or brittle under low-temperature winter environment, and will not soften or melt under high-temperature summer outdoor exposure. Long-term outdoor service life is guaranteed.
Third, solder-wire termination design brings great flexibility for wire harness manufacturers. This male plug is cable-end solder-wire type, not crimp-pin assembly. Harness factories can solder different gauge stranded copper wires directly onto male pin tails. Customers are not restricted to fixed crimp terminal specifications. For small-batch prototype trial production, medium-volume project and special custom wire selection, solder-wire processing is more convenient. No special expensive crimping tool is required; ordinary soldering station can finish wire assembly work. This greatly lowers threshold for small-scale harness production and prototype development. Meanwhile, gold-plated contact pins ensure stable electrical performance. Gold plating layer on mating surface resists oxidation and surface tarnish. Low and stable contact resistance keeps consistent power transmission and signal transmission performance, even after long-term storage or numerous plug-unplug cycles.
Fourth, engineering-grade black plastic housing provides outstanding comprehensive mechanical and chemical property. The raw material features flame retardant performance, anti-aging and UV-resistance. When applied in outdoor open-air environment, the housing will not turn brittle, crack or fade quickly under long-time sunlight ultraviolet radiation. It can resist common chemical agent such as light-duty industrial dust, weak acid-base mist. Compact housing dimension saves installation space inside equipment wiring cavity. Its overall structure is optimized for vibration-prone working condition. Internal pin fixation structure prevents pins from shifting or loosening under continuous vibration or mechanical shock.
Fifth, excellent cost-performance compared with imported circular connectors. While keeping IP67 waterproof, anti-mis-mating locking structure and gold-plated contact, this MaiTian Round-Half series avoids high purchasing cost of well-known overseas circular connector brands. It supports bulk volume production, short lead-time, and accepts customized modification for large-quantity orders. Customers can get reliable industrial-grade connection solution without excessive brand premium.
In addition, strict quality control is implemented through whole manufacturing flow. Raw-material incoming inspection, pin-plating thickness testing, housing mechanical-property test, waterproof sealing sample test, electrical-performance sampling test are executed before goods delivery. Test reports can be provided for project bidding and quality file archiving. Anti-static packaging protects gold-plated pins from static-electric damage during storage and transportation.

Application Scenarios
MaiTian Round-Half 8-pin solder-wire male connector with waterproof gasket is widely adopted for mixed power-signal harness interconnection, especially for outdoor, semi-outdoor, vibration-existing equipment. Its 8-pin layout supports combination of power supply lines and multi-channel signal lines inside one single connector plug, simplifying harness layout of whole system.
1. Photovoltaic and Energy Storage Equipment It applies for signal and auxiliary power connection of small-and-medium household energy-storage cabinet, portable energy-storage power station, distributed photovoltaic accessory modules. For outdoor energy-storage devices placed in courtyard or equipment shed, IP67 waterproof property prevents rain and dew from invading internal signal contacts. Multiple signal channels inside this 8-pin connector can transmit battery BMS sampling signal, temperature-detection signal, auxiliary power supply signal between energy-storage cabinet and external accessory units. Anti-mis-mating half-round shape avoids wrong plug-in during on-site installation. Vibration-resistant locking structure adapts to transportation vibration of portable energy-storage products.
2. New-Energy Two-Wheeled Vehicle & Mobility Equipment Suitable for wiring harness connection of electric scooter, light-duty electric bike, mobility auxiliary device. It can realize interconnection between controller, display dashboard, light assembly and external wiring harness. Working environment of two-wheeled vehicles faces rain splashing, road-surface dust and continuous vibration during riding. Waterproof gasket and mechanical locking greatly reduce failure rate of vehicle wiring harness caused by bad contact. Solder-wire termination matches custom-made vehicle harness processing requirement for different model projects.
3. Outdoor Intelligent Monitoring and Lighting System For outdoor surveillance camera peripheral accessory, street-lamp intelligent control module, landscape lighting equipment. Installed in open-air environment, the connector needs to cope with day-night temperature variation, rain and dust. This 8-pin male plug can transmit power supply and multi-group control signal at the same time, realizing power input and signal communication within one connector unit. Special anti-mis-mating profile helps construction workers finish fast field wiring.
4. Industrial Portable Instrument and Field-test Equipment Portable industrial detecting instruments, field debugging devices, mobile test units often need frequent plug-unplug operation on site. The half-round 8-pin male connector is used for external harness port of these portable devices. Gold-plated contacts guarantee stable signal transmission for measuring data. Waterproof and dust-proof performance adapts to complex factory site or outdoor working spot. Solder-wire type is convenient for prototype development and small-batch instrument manufacturing.
5. Smart Agricultural and Outdoor IOT Devices Agricultural environmental monitoring sensor, outdoor IoT collection terminal, irrigation control equipment deployed in field or orchard. Such devices run long-term in humid, dusty open-air farmland condition. IP67 waterproof capability protects internal connection points against dew and rain. Multi-pin design supports sensor power supply and multi-channel data signal transmission. Robust plastic housing resists outdoor aging.
6. Automated Auxiliary Equipment and Special Machinery Accessories For light-duty automation equipment peripheral harness, mobile mechanical accessory signal connection. Under working condition with mechanical vibration, the snap-in locking mechanism prevents unexpected disconnection. Mixed power-signal transmission capability reduces total connector quantity of whole machine, optimizing machine-internal harness arrangement.
Frequently Asked Questions (FAQ)
Q1: What protection level can this 8-pin male connector achieve?
A: It reaches IP67 ingress protection rating on condition that male plug, matched female receptacle are fully locked and original waterproof gasket is correctly assembled. IP67 means it can resist dust intrusion and low-pressure water splashing from multiple directions. It is NOT designed for long-term immersion under water. If underwater application is required, please contact our sales team for higher-IP customized connector solution.
Q2: Is this male connector crimp-pin type or solder-wire type? Can I use crimp terminals for assembly?
A: This is solder-wire termination male plug. The tail of male pins are designed for wire soldering. Standard version does not support crimp terminal assembly. You need to solder copper wire onto pin tails with soldering iron. If you require crimp-pin version for mass automatic harness production, please consult us for alternative model.
Q3: Which wire gauge is suitable for soldering to this connector?
A: Recommended stranded copper wire range is AWG 22 ~ AWG 18. Wire beyond this range may cause soldering difficulty or over-current risk. For high-current application, please do not exceed 5A continuous current per single pin.
Q4: Can I use this male plug without installing the waterproof gasket?
A: The waterproof gasket is essential component for sealing performance. If you assemble connector without gasket, waterproof function will be completely lost, only dust-proof effect cannot be guaranteed. We strongly suggest using the original matched silicone gasket for all outdoor or humid-environment applications.
Q5: Does this product include matching female receptacle?
A: This listing only covers MaiTian Round-Half 8-pin male plug (solder-wire type with waterproof gasket). Corresponding female receptacle is sold separately. Please tell our sales if you need complete male-female mating connector set.
Q6: Can you provide custom service, such as different pin-plating thickness, special housing color?
A: Yes. Customization is available for large-volume orders. Supported custom items include gold plating thickness adjustment, special-color housing material, slight housing-structure modification. Minimum order quantity will apply for customized project. Please send your detailed requirement to our business email for evaluation and quotation.
Q7: Can you provide sample for testing before bulk order?
A: Yes, engineering samples are available for customer performance verification. Customers need to bear sample cost and freight charge. Sample lead time is subject to stock situation.
Q8: What is the operating temperature range for this connector?
A: Standard operating temperature is -40℃ to +85℃, suitable for most industrial outdoor and indoor scenarios. If your project requires ultra-high or ultra-low temperature working condition, please inform us to select special-grade raw-material solution.
Q9: What is the mating cycle life of this connector?
A: Standard minimum mating-unmating cycle is 500 times. Repeated frequent plug-unplug over 500 cycles will gradually increase contact resistance. For application with very high plug-unplug frequency, we can recommend enhanced-version contact solution.
Q10: Are test reports or raw-material certification documents available?
A: We can provide sampling electrical-performance test report and raw-material material statement for project requirement. Please submit your document requirement to our contact channel.
Contact Us
If you have technical inquiry, sample application, bulk-order quotation or customized-solution requirement for MaiTian Round-Half 8-Pin Male Connector, Cable-to-Wire Type with Waterproof Gasket, please feel free to get in touch with our professional sales and technical support team.
Our team owns rich experience in industrial circular connector, wiring harness component and waterproof interconnection product. We can provide technical parameter confirmation, mating-model recommendation, project-oriented customization suggestion and order-progress follow-up service for your application scenario.
We welcome distributors, harness manufacturers, equipment OEM/ODM manufacturers from global market to establish long-term cooperative partnership with us.