Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
320LCF NC405

320LCF NC405

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 6.56'

272

AR0800124 SL401

AR0800124 SL401

Alpha Wire

CBL FMALE TO WIRE LEAD 8POS 20'

4

DR0500102 SL401

DR0500102 SL401

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 20'

109

GW0300100 SL356

GW0300100 SL356

Alpha Wire

CBL FMALE RA TO WIRE 3POS 3.28'

26

KW0500115 YL358

KW0500115 YL358

Alpha Wire

CBL FMALE RA TO WIRE 5POS 16.4'

8

320LCF NC356

320LCF NC356

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 3.28'

302

319KCF NC356

319KCF NC356

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 3.28'

10

LR03KR107 YL357

LR03KR107 YL357

Alpha Wire

CBL FMALE TO MALE 3POS 9.84'

10

HR03GW100 SL358

HR03GW100 SL358

Alpha Wire

CBL FMALE RA TO MALE 3POS 16.4'

6

AW0300104 SL356

AW0300104 SL356

Alpha Wire

CBL FMALE RA TO WIRE 4POS 3.28'

2

DW04AR117 TL359

DW04AR117 TL359

Alpha Wire

CBL FMALE TO MALE RA 4POS 32.8'

3

DR08AR123 SL358

DR08AR123 SL358

Alpha Wire

CBL FMALE TO MALE 8POS 16.4'

9

AW0300104 SL401

AW0300104 SL401

Alpha Wire

CBL FMALE RA TO WIRE 4POS 20'

10

AW0800103 SL400

AW0800103 SL400

Alpha Wire

CBL FMALE TO WIRE LEAD 8P 49.2'

3

AR0300104 SL401

AR0300104 SL401

Alpha Wire

CBL FMALE TO WIRE LEAD 4POS 20'

9

DR08AR103 SL356

DR08AR103 SL356

Alpha Wire

CBL FMALE TO MALE 8POS 3.28'

9

DR0400101 SL357

DR0400101 SL357

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 9.84'

15

DR0500106 SL401

DR0500106 SL401

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 20'

7

HR0300100 SL357

HR0300100 SL357

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 9.84'

2

DR0400101 SL400

DR0400101 SL400

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 49.2'

14

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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