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1. 3+5 Split Pin Layout for Isolated Power & Signal Transmission
This M19 multi-pin circular connector adopts a professional 3+5 functional split design with isolated power and signal circuits. 3 pins support 15A high-current power transmission, while 5 pins deliver precise multi-channel signal conduction, effectively eliminating current interference and ensuring pure signal output.
With a rated voltage of 300V, the connector provides sufficient electrical safety margin. It realizes integrated power supply and multi-signal synchronous transmission in one connector, optimizing internal equipment wiring and simplifying circuit layout.
Reasonable channel distribution and independent insulation avoid circuit crosstalk, signal disorder and data loss, supporting long-term continuous and stable operation of electrical equipment.
2. Premium Brass Gold-Plated Contact Pins
The internal contacts are made of high-quality brass with precision gold-plated finish. Compared with ordinary tin-plated pins, it features higher conductivity and lower contact resistance, ensuring zero voltage drop under 20A high current and loss-free signal transmission.
The gold-plated layer delivers excellent anti-oxidation, anti-corrosion and anti-sulfuration performance, resisting erosion from moisture, dust and weak acid-base environments. It effectively prevents contact failure caused by long-term oxidation.
The wear-resistant gold-plated surface withstands hundreds of repeated plugging cycles, maintaining precise contact accuracy and stable electrical performance for an extended service life.
3. Standard Male & Female Plug and Socket Matching
Equipped with complete male plug and female socket pairing structure in standard M19 circular size. Precise docking tolerance ensures tight fitting and strong compatibility with mainstream M19 wire harnesses and accessories for plug-and-play installation.
Built-in anti-loosening limit structure maintains stable connection under equipment vibration and slight wire pulling, preventing loose docking, power failure and signal interruption during operation.
Smooth plugging design with high fault tolerance adapts to mass production assembly, on-site debugging and daily equipment maintenance, greatly improving installation and replacement efficiency.
4. Heavy-Duty Industrial-Grade Durability
The high-strength insulating housing features outstanding compression resistance, impact resistance and wear resistance, resisting daily collision and extrusion in industrial and outdoor environments without deformation or cracking.
It meets 300V insulation standards with independent circuit isolation, effectively preventing electric leakage, short circuit and cross-circuit risks to ensure safe low-voltage electrical operation.
Excellent temperature resistance and aging resistance enable stable mechanical and electrical performance under temperature alternation, humid and dusty working conditions for long-term all-weather service.
5. Wide Application Scope
Widely used in industrial automation equipment, intelligent control systems, outdoor lighting facilities, small new energy supporting devices and security intelligent terminals for integrated power and signal connection.
Ideal for industrial and outdoor electrical equipment requiring high-current power supply, multi-channel signal transmission, anti-oxidation and high connection stability.
Electrical Specifications
Parameter
Specification
Number of Poles
3+5 Pin
Current Rating
15A +5Amax
Voltage Rating
300VAC max
Dielectric Strength
1500VAC @ 60 s
Technical Specifications
Parameter
Specification
Contact Resistance
10 mΩ max
Insulation Resistance
500 MΩ at 500VDC
Operating Temperature
-40°C to +105°C
IP Rating
IP67 (1m / 30min) when mated
Mold Material
PA66
Contact/Terminal Material
Gold Plated Brass
Seal Material
Silicone
Operation Parameters
Parameter
Specification
Voltage Rating
300VAC max
Current Rating
20A max
Wire Size OD (Min)
3.0mm - 6.0mm
Wire Size OD (Max)
8.0mm - 10.0mm
Max Cable Cross Section
0.5mm² - 2.5mm²
Configuration Options
Push lock quick release system
Multiple core options: 2Pin, 3Pin, 4Pin, 5Pin for Power
Power-signal combinations: 3+2Pin, 3+3Pin, 3+4Pin, 3+5Pin, 3+9Pin and 2+20Pin
Signal options: 6Pin, 7Pin, 8Pin, 9Pin, 10Pin, 11Pin, 12Pin, 14Pin, 16Pin and 18Pin
Field assembly versions: wire to wire and wire to board options
Current rated 20A for continuous operation
Cable assembly service supported with custom options
OEM/ODM services available
Application Industries
Growth Lights
Communications Equipment
Product Coding Machines
Inventory Product Coding Systems
Inkjet Systems
Solar Systems
Industrial Inkjet Equipment
Electric Power Equipment
Laboratory Forensic & Pathology Equipment
Heavy Machinery
Product Design
Frequently Asked Questions
Q: Are you a factory or trading company?
A: We are a factory located in Ulinkcon Industrial Park, Bao'an District, Shenzhen, China.
Q: What shipping methods do you offer? How long is the delivery time?
A: We provide multiple shipping options: Courier (DHL/UPS/FedEx): 3-7 working days for small parcels; Air freight: 7-15 working days; Sea freight: 20-45 working days. Delivery time varies by destination and shipping method.
Q: How to track my shipment?
A: Once the goods are shipped, we will send you the tracking number and logistics platform link. You can track the real - time status online or contact our team for updates.
Shenzhen Ulinkcon Co., Ltd. is a leading company specialized in designing and manufacturing industrial waterproof circular connectors, power signal connectors.Based on its high degree of precision, high-quality automatic insertion & self-locking system, our products are widely used in a variety ... Shenzhen Ulinkcon Co., Ltd. is a leading company specialized in designing and manufacturing industrial waterproof circular connectors, power signal connectors.Based on its high degree of precision, high-quality automatic insertion & self-locking system, our products are widely used in a variety ...
