High Power D-Sub Connectors Manufacturer | Custom Power Solutions

3W3 High Power D-Sub Connector

1. Product Overview

The 3W3 High Power D-Sub Connector is a compact, high-current hybrid connector designed for applications requiring reliable power transmission in a standard D-Sub footprint. Featuring 3 high-power contacts within a size-3 D-Sub shell, the 3W3 series delivers robust electrical performance while maintaining compatibility with industry-standard D-Sub mounting patterns and panel cutouts.

Engineered for demanding industrial, medical, and test & measurement environments, the 3W3 high power D-Sub connector combines compact design with high current-carrying capacity, making it ideal for applications where space is limited but power delivery requirements are significant.

As a professional manufacturer of high power D-Sub connectors, we offer standard and fully customized 3W3 solutions, including plating options, contact configurations, wire gauge terminations, and mounting styles to meet OEM specifications.

2. Key Features

• 3 high-power contacts in a compact size-3 D-Sub shell
• High current rating — supports up to 40A per contact (customizable)
• Standard D-Sub footprint — compatible with existing panel cutouts and mating hardware
• Machined pin & socket contacts for durable, low-resistance connections
• Multiple plating options — gold, silver, or tin plating available
• Rugged shell construction — zinc, aluminum, or stainless steel housing options
• Wide voltage rating suitable for high-power DC/AC applications
• Customizable termination styles — solder cup, crimp, PCB mount, or cable assembly

3. Technical Specifications

Specifications can be customized based on application requirements.

4. Applications

• Industrial power supplies and control systems
• Battery charging and power distribution equipment
• Test and measurement instrumentation
• Medical equipment power interfaces
• Motor drives and servo systems
• Renewable energy systems (solar inverters, battery storage)
• Automation and robotics power connections
• Audio/broadcast power equipment
• Military and aerospace power systems (ruggedized versions available)

5. Available Options

• Покрытие контактов: Gold, silver, tin
• Shell Finish: Nickel, zinc, chromate
• Пол: Male (pin) / Female (socket)
• Mounting: Panel mount, cable mount, PCB mount
• Hardware: Jackscrews, snap locks, board locks
• Cable Assembly: Custom wire gauge, length, and jacket material
• Shell Material: Standard zinc alloy or environmentally sealed aluminum
• Custom Marking: Logo, part number, or date code printing available

6. Dimensions & Downloads

Detailed mechanical drawings and CAD files are available for download to support your design integration:

• 📄 Download 3W3 Datasheet (PDF)
• 📐 Download 2D Drawing (DWG/PDF)
• 🧩 Download 3D CAD Model (STEP/IGES)
• ✅ Download RoHS/REACH Compliance Certificate

Standard panel cutout dimensions comply with D-Sub industry standards.

7. Key Benefits

• Space-saving design — deliver high power in a standard D-Sub footprint without redesigning your enclosure
• Reliable performance — machined contacts ensure low contact resistance and stable connections over thousands of cycles
• Flexible customization — tailored plating, termination, and mounting options to fit exact application needs
• Proven compatibility — interchangeable with standard D-Sub mounting hardware and panel layouts
• Cost-effective scalability — supports both prototype quantities and full production runs
• Fast lead times — in-stock standard parts and efficient custom order processing

8. FAQ

Q1: What is the maximum current the 3W3 connector can handle?

A: Standard 3W3 connectors support up to 40A per contact, depending on wire gauge and plating; higher current customization is available upon request.

Q2: Is the 3W3 connector compatible with standard D-Sub panel cutouts?

A: Yes, the 3W3 shell follows standard D-Sub size-3 shell dimensions, allowing direct compatibility with existing panel layouts.

Q3: Can I get custom cable assemblies with the 3W3 connector?

A: Yes, we offer fully customized cable assemblies including wire gauge, length, jacketing, and termination style.

Q4: What plating options are available for the contacts?

A: We offer gold, silver, and tin plating, selectable based on your current, environmental, and cost requirements.

Q5: What is the minimum order quantity (MOQ)?

A: MOQ varies by configuration. Please contact our sales team for standard and custom order details.

Q6: Do you provide samples before mass production?

A: Yes, samples are available for testing and validation prior to bulk orders.

9. Related Products

• 17W2 High Power D-Sub Connector
• 27W2 High Power D-Sub Connector
• 19W4 High Power D-Sub Connector
• Combo D-Sub Connectors (Power + Signal)
• High Power Circular Connectors
• Custom Cable Assemblies

10. Request a Quote

Get a Custom Quote for Your 3W3 High Power D-Sub Connector

Whether you need standard parts or a fully customized solution, our engineering team is ready to support your project — from prototype to mass production.

📩 Request a Quote 📞 Contact our sales engineers for technical consultation 📎 Attach your drawing or specification for a fast, accurate quote

Typical quote response time: within 24 hours