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Designed for harsh industrial environments, the M25 3 Pin 50A IP67 waterproof circular connector provides reliable industrial power connections. With stable high-current transmission and strong environmental resistance, it is widely used in industrial automation, new energy equipment, and outdoor machinery.
The standard M25 3-pin structure supports three-phase or multi-circuit DC/AC power. Its 50A rated current safely powers medium to high-power equipment, while IP67 protection guarantees stable operation in humid, dusty, and vibrating conditions.
Application Industries
Communications Applications
Product Coding Machines
Inventory Product Coding Systems
Inkjet Systems
Solar Systems
Industrial Inkjet Equipment
Electric Power Equipment
Laboratory Forensic & Pathology Equipment
Communications Equipment
Heavy Machinery
Quick Details of IP67 Waterproof Connector
1. Excellent Electrical Performance
Rated 600V high voltage and 50A large current, supports high-power stable power transmission
3-core pure power pin design with large conductive area, low voltage drop and no overheating
Ideal for heavy-duty industrial power connection with stable and reliable load capacity
2. UL94-V0 Flame Retardant Housing
Adopts UL94-V0 grade flame-retardant material, self-extinguishing and fireproof
High temperature resistance, anti-aging and excellent insulation, effectively prevent electric leakage and short circuit
Meets industrial safety standards for long-term continuous operation
3. M25 Self-Locking Quick Connection
Tool-free quick plug-in & self-locking design for fast and easy installation
Built-in buckle structure provides anti-vibration, anti-loosening and anti-drop performance
Repeated plugging and unplugging available, long service life and easy maintenance
4. IP67 Waterproof & Dustproof
Industrial IP67 rating, fully dust-tight and waterproof against temporary immersion
High-quality silicone sealing ring effectively blocks water, dust, oil and moisture
Stable performance in harsh outdoor and industrial environments
5. Premium Conductive Material & Durability
High-purity brass contacts with low resistance and excellent conductivity
Anti-oxidation, anti-corrosion and wear-resistant, ensuring stable connection long-term
Robust structure, pull-resistant and impact-resistant for heavy-duty applications
6. Wide Application
Widely used in new energy equipment, photovoltaic systems, industrial machinery, outdoor power equipment, automation devices and engineering lighting
Perfect for high-current power connection in industrial, outdoor and vehicle scenarios
Technical Parameters
Contact Resistance
10 mΩ max
Insulation Structure
500 MΩ at 500VDC
Operating Temperature
-40°C ~ +105°C
IP Class
IP67 (1m / 30min) when mated
Mold Material
PA66
Contact/Terminal Material
Gold Plated Brass
Seal Material
Silicone
Operation Parameters
Voltage Rating
600VAC max
Current Rating
50A max
Min Wire Size OD
6.5mm ~ 10mm
Max Wire Size OD
10.5mm ~ 18mm
Max Cable Cross Section Area
0.5mm² ~ 6.0mm²
Product Images
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: Do you support product customization?
A: Yes, customization is available for specifications, colors, and packaging. Please provide your detailed requirements, and we will quote accordingly with a sample confirmation process.
Q: How can I get samples?
A: We are pleased to offer samples, with freight costs covered by the customer. Please provide your courier account number and detailed address, and we will dispatch samples immediately.
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 ...
