Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
DR08AR103 SL359

DR08AR103 SL359

Alpha Wire

CBL FMALE TO MALE 8POS 32.8'

5

HR0400101 SL401

HR0400101 SL401

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 20'

15

DW04DW117 TL357

DW04DW117 TL357

Alpha Wire

CBL MALE RA TO MALE RA 4PS 9.84'

4

DR04AW105 SL358

DR04AW105 SL358

Alpha Wire

CBL FMALE RA TO MALE 4POS 16.4'

3

DR0500106 SL358

DR0500106 SL358

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 16.4'

46

KR0500109 YL355

KR0500109 YL355

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 1.97'

5

DR04AR101 SL400

DR04AR101 SL400

Alpha Wire

CBL FMALE TO MALE 4POS 49.2'

5

GR0400101 SL356

GR0400101 SL356

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 3.28'

6

LR03KR113 YL401

LR03KR113 YL401

Alpha Wire

CBL ASSEMBLY 3POS M TO FML 20M

5

AW1200125 BK401

AW1200125 BK401

Alpha Wire

CBL FMALE RA TO WIRE 12POS 20'

1

DR03AR104 SL356

DR03AR104 SL356

Alpha Wire

CBL FMALE TO MALE 4POS 3.28'

6

DR04AR117 TL401

DR04AR117 TL401

Alpha Wire

CBL ASSEMBLY 4POS M TO FML 20M

14

325LCF NC405

325LCF NC405

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 6.56'

7

PR05KW115 YL401

PR05KW115 YL401

Alpha Wire

CBL FMALE RA TO MALE 5POS 20'

5

PR03KW113 YL401

PR03KW113 YL401

Alpha Wire

CBL FMALE RA TO MALE 3POS 20'

5

AR0800112 SL357

AR0800112 SL357

Alpha Wire

CBL FMALE TO WIRE LEAD 8P 9.84'

9

DR08AR123 SL357

DR08AR123 SL357

Alpha Wire

CBL FMALE TO MALE 8POS 9.84'

18

DW04DR117 TL358

DW04DR117 TL358

Alpha Wire

CBL MALE RA TO MALE 4POS 16.4'

8

300DCN NC404

300DCN NC404

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 1.64'

13

KW0400114 YL355

KW0400114 YL355

Alpha Wire

CBL FMALE RA TO WIRE 4POS 1.97'

20

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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