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3w3 D Sub Connector
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3w3 D Sub Connector

3w3 D Sub Connector

The 3W3 D-SUB connector is a specialized power interface that combines robust D-SUB reliability with enhanced current capacity. With three optimized contacts for power delivery within a compact metal shell, it delivers up to 10A per contact while maintaining mechanical durability in demanding environments. Ideal for industrial, renewable energy, and telecom power applications where space and reliability are critical.

Parameters

 

Model

3W3 D-SUB Power Connector

Contacts

3 power contacts

Current Rating

10A per contact

Voltage Rating

25OV AC/DC

Insulation Resistance

≥1000M

Operating Temperature

-55Cto+125C

Shell Material

Zinc alloy, nickel plated, or custom

Contact Material

Copper alloy, silver plated, or custom

Protection Options

IP20 standard, IP67/68optional

Mating Cycles

≥500

 

3w3 d sub connector Series

 

Our 3W3 D-SUB connector family offers versatile power interface solutions with extensive customization capabilities:

  • Contact Configuration Options: Standard 3-power contact layout with options for mixed power/signal configurations (e.g., 2 power + 1 signal contact)
  • Mounting Variants: Panel-mount, PCB-mount (vertical/right-angle), and cable-mount versions available
  • Termination Styles: Solder cup, PCB pin, wire crimp, and solder tab terminations
  • Locking Mechanisms: Standard thumbscrews, slide-lock, push-pull quick-release, and jack-screw options
  • Shell Customization: Choice of standard metal shells, compact designs, and EMI/RFI shielded versions
  • Environmental Sealing: Available with silicone gaskets, potting options, and fully molded cable assemblies for harsh environments
  • Special Configurations: Reverse gender options, custom pin assignments, and mixed contact sizes

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3w3 d sub connector Applications

 

Robust Power Interface Solutions for Demanding Industrial Environments
Engineered to bridge the gap between traditional signal connectors and dedicated power interfaces.

  • Industrial Motor Control: Compact power interface for servo drives, stepper motor controllers, and variable frequency drives in automated machinery
  • Power Supply Systems: Interconnection between power modules, distribution units, and backup systems in industrial rack installations
  • Renewable Energy Equipment: DC power connections in solar inverter systems, wind turbine controllers, and energy storage interfaces
  • Transportation Electronics: Power distribution in railway signaling systems, electric vehicle charging interfaces, and marine control panels
  • Telecommunications: DC power feed connections for base station equipment, network switches, and PoE (Power over Ethernet) systems
  • Medical Equipment: Reliable power interfaces in diagnostic devices, patient monitoring systems, and portable medical instruments

 

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Our Advantages

 

1)Experienced in interface connectors and cable assemblies, we can offer a wide range of standard production capabilities such as stamping, injection molding, prototype, connectors and cable assemblies, customized connectors and cable assemblies, and custom retail packaging.


2)Advancing interconnect technology. Our team can offer a world-class interconnect experience from initial consultation to final delivery to meet solutions for our customer's interconnect challenge, our personalized design and engineering package include CAD drawings, 3D models, prototypes and testing samples.


3)Building connections worldwide. We can provide a wide range of interconnect solutions in order to meet the needs of customers in many different types of markets,some of the most popular markets such as:high-end consumer electronics, data storage, set-top box, medical, home security,industrial, audio/video, desktop and mobile computer units.


4)High quality products and competitive pricing.


5)Exceeding expectations. our Quality Policy is Quality First, Customer First.

 

Star Reviews From Customers

 

1.Robert Chen, Automation Project Manager
Solved our servo drive connection issues with reliable 10A power handling in compact D-SUB format.


2.Emma Rodriguez, Energy Systems Engineer
Perfect for solar micro-inverters – balances power capacity with minimal footprint


3.Thomas Schmidt, Railway Systems Integrator
Maintains perfect conductivity under severe vibration, exceeding expectations for power connections.


4.Dr. Akiko Tanaka, Medical Device Lead
3W3 enables secure yet quick disconnection for sterilization – ideal for clinical use.


5.Marcus Johnson, Telecom Infrastructure Manager
Streamlined base station power distribution with consistent performance across temperature extremes.

 

FAQ

 

Q1: DO YOU HAVE A CATALOGUE? CAN YOU SEND ME YOUR PRODUCT CATA-LOGUE SO THAT I CAN CHOOSE SOME PRODUCTS WHICH I NEED?

A1: Yes,you contact us online or send an Email and let us know what kinds of products such as type C connectors, DVI connectors, box header, RJ45etc you need so that we can send them to you respectively.

Q2: CAN YOU BUILD THEM FOR ME IF I CAN'T FIND THE PRODUCT ON YOUR CAT-ALOGUE OR STORE ON WEBSTE?

A2: Our catalogue shows most of our products but not all, please let us know what you want or provide your drawing or product information to us no matter what customization for product, packing or logo, we can offer ODM service.

Q3: CAN YOU PROVIDE SAMPLES FOR FREE?

A3: Usually we can provide a few of samples to you for free if we have some in stock but you need to pay express fee.

Q4: WHAT ABOUT YOUR DELIVERY TIME?

A4: 1-3day for products in stock, 3-20 days for connectors, 7-30 days for cable assembly,large quantity and customized products need to be negotiated.

Q5:HOW TO SHIP TO ME ?

A5:We can ship products to you by Express such as SF,DHL,FedEx,UPS, or what you ap-pointed.

Q6:WHAT KIND OF PAYMENT DO YOU ACCEPT?

A6:T/T(Wire transfer), Western Union and Paypal are OK.

Q7:HOW CAN I TRUST YOUR QUALITY?

A7:We conduct incoming quality inspection for each lot for all raw materials base on mate-rial characteristics and ROHS compliant, and in-process quality control such as FAl,prototype inspection and 100% product inspection prior to shipment.

 

Company Profile

 

 

Production Lines And Inspection Equipments

 

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Our Certificates

 

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Payment Method

 

  • Payment method: Credit card or T/T (optional for large amounts). Western Union PayPal
  • T/T payment generally supports 100% advance payment.
  • Lead time: Normally in 5-10 working days after payment received.
  • Sample policy: Samples are always available for each model for standard products.
  • Samples can be ready in 3-5 working days once payment received.
  • Shipping port: Shenzhen, China.

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Logistics/packaging

 

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