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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
50A High‑Power Rated Transmission
Engineered to support up to 50A high current, ensuring stable power delivery for heavy‑duty electrical equipment with low heat generation and high safety performance.
3‑Pin Specialized Power Layout
Optimized 3‑pin terminal design for efficient three‑phase or multi‑circuit power transmission, delivering low contact resistance and reliable electrical conductivity.
IP67 Waterproof & Dustproof Structure
Fully sealed construction provides IP67 protection, effectively resisting water immersion, moisture, dust, and oil contamination for long‑term outdoor and industrial use.
Stable Male & Female Matching System
Precision‑matched male and female connectors ensure tight connection, strong anti‑vibration performance, and prevent accidental disconnection in harsh working conditions.
Standard M25 Circular Interface
Adopts universal M25 size and panel‑mount design, offering high compatibility, easy installation, and strong interchangeability for various equipment applications.
High‑Grade Industrial Material & Durability
Manufactured with rugged industrial‑grade materials, featuring high temperature resistance, corrosion resistance, and long service life under severe environments.
Reliable Quality Produced in China
Made in China with strict quality control and mature production technology, providing stable performance and cost‑effective industrial power connection solutions.
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.
Q: Is there a discount for large - quantity orders?
A: Yes, we offer tiered discounts for bulk orders. The more you order, the more competitive the price. Please inform us of your expected quantity for a customized quotation.
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 ...
