Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
AR0400105 SL359

AR0400105 SL359

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 32.8'

19

KW0300107 YL356

KW0300107 YL356

Alpha Wire

CBL FMALE TO WIRE LEAD 3P 3.28'

2

PR03KR113 YL356

PR03KR113 YL356

Alpha Wire

CBL MALE TO FMALE 3POS 3.28'

2

HR0400101 SL358

HR0400101 SL358

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 16.4'

8

DR08AW103 SL358

DR08AW103 SL358

Alpha Wire

CBL FMALE RA TO MALE 8POS 16.4'

5

DR05AW102 SL400

DR05AW102 SL400

Alpha Wire

CBL FMALE RA TO MALE 5POS 49.2'

5

DR0800124 SL400

DR0800124 SL400

Alpha Wire

CBL MALE TO WIRE LEAD 8POS 49.2'

2

DR0500102 SL359

DR0500102 SL359

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 32.8'

5

HR0400101 SL359

HR0400101 SL359

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 32.8'

5

DR08AW123 SL359

DR08AW123 SL359

Alpha Wire

CBL FMALE RA TO MALE 8POS 32.8'

6

DR03GW100 SL355

DR03GW100 SL355

Alpha Wire

CBL FMALE RA TO MALE 3POS 1.97'

10

DR03AW104 SL359

DR03AW104 SL359

Alpha Wire

CBL FMALE RA TO MALE 4POS 32.8'

10

DR03GW100 SL357

DR03GW100 SL357

Alpha Wire

CBL FMALE RA TO MALE 3POS 9.84'

8

DR08AW123 SL401

DR08AW123 SL401

Alpha Wire

CBL FMALE RA TO MALE 8POS 20'

1

316JCF NC405

316JCF NC405

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 6.56'

10

DR08AW103 SL400

DR08AW103 SL400

Alpha Wire

CBL FMALE RA TO MALE 8POS 49.2'

5

DR03AW104 SL400

DR03AW104 SL400

Alpha Wire

CBL FMALE RA TO MALE 4POS 49.2'

10

DR03GW100 SL358

DR03GW100 SL358

Alpha Wire

CBL FMALE RA TO MALE 3POS 16.4'

10

DR03AW104 SL358

DR03AW104 SL358

Alpha Wire

CBL FMALE RA TO MALE 4POS 16.4'

15

DR03AW104 SL401

DR03AW104 SL401

Alpha Wire

CBL FMALE RA TO MALE 4POS 20'

10

Circular Cable Assemblies

1. Overview

Circular Cable Assemblies are engineered interconnect solutions designed to transmit electrical signals or power through circular-shaped connectors. These assemblies combine multiple wires or cables terminated with circular connectors, ensuring reliable connectivity in demanding environments. Their importance spans across industries requiring robust, high-density, and high-performance connections, particularly in applications where space constraints and environmental resilience are critical.

2. Main Types and Functional Classification

Type Functional Features Application Examples
Circular Push-Pull Quick-mating design with mechanical locking Industrial automation, medical devices
Circular Threaded Vibration-resistant threaded coupling Aerospace, military equipment
Waterproof Circular IP67+ sealing against liquids and dust Outdoor telecom equipment, underwater sensors
High-Density Circular Miniaturized contacts for compact designs Avionics, robotics

3. Structure and Components

A typical circular cable assembly consists of:

  • Conductors: Copper/aluminum for signal/power transmission
  • Insulation: PVC/TPE/PUR jackets for dielectric protection
  • Shielding: Braided copper or foil for EMI/RFI protection
  • Connector Housing: Metal/plastic shells with precision contacts
  • Retention System: Latches, threads, or bayonet couplings

Modular designs allow customization with hybrid signal/power/RF configurations.

4. Key Technical Specifications

Parameter Importance
Current Rating (Amps) Determines power transmission capacity
Voltage Rating (Volts) Defines dielectric strength and safety margins
Contact Resistance (m ) Impacts signal integrity and power efficiency
Operating Temperature (-40 C to +125 C) Ensures reliability in extreme environments
Mating Cycles (1000-10,000) Indicates mechanical durability
IP Rating (IP65-IP68) Defines environmental protection level

5. Application Fields

Primary industries include:

  • Industrial Automation: PLCs, CNC machines, robotic arms
  • Telecommunications: 5G base stations, fiber optic enclosures
  • Medical Equipment: MRI scanners, patient monitoring systems
  • Aerospace: Avionics, flight control systems
  • Transportation: Rail signaling systems, EV charging stations

Case Study: In automotive manufacturing, circular assemblies enable high-vibration resistance connections in robotic welding cells operating 24/7.

6. Leading Manufacturers and Products

Manufacturer Representative Product
TE Connectivity DEUTSCH DT Series circular connectors
Amphenol CIRCULAR C Series high-density connectors
Molex Circular Rast 55 series for industrial control
Delphi Weatherproof automotive circular connectors

7. Selection Guidelines

Key considerations:

  • Electrical requirements (current/voltage profiles)
  • Environmental conditions (temperature, moisture, chemical exposure)
  • Mechanical demands (vibration, mating cycles, cable bend radius)
  • Space constraints (connector size and orientation)
  • Industry-specific certifications (e.g., MIL-STD, UL, RoHS)

Recommend verifying compatibility with existing infrastructure and performing thermal cycling tests for critical applications.

8. Industry Trends

Emerging developments include:

  • Miniaturization while maintaining high contact density
  • Integration of fiber optics and high-speed data transmission
  • Adoption of composite materials for weight reduction
  • Growing demand for waterproof connectors in outdoor IoT deployments
  • Standardization of hybrid power/signal interfaces in EV charging

Market forecasts predict 8.2% CAGR through 2027 driven by industrial IoT and 5G infrastructure investments.

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