Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
KW0400108 YL358

KW0400108 YL358

Alpha Wire

CBL FMALE RA TO WIRE 4POS 16.4'

6

323LCF NC405

323LCF NC405

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 6.56'

10

AW0400101 SL401

AW0400101 SL401

Alpha Wire

CBL FMALE RA TO WIRE 4POS 20'

9

317KCF NC356

317KCF NC356

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 3.28'

10

319KCF NC402

319KCF NC402

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 0.98'

8

PR05KW115 YL358

PR05KW115 YL358

Alpha Wire

CBL FMALE RA TO MALE 5POS 16.4'

6

LW0400108 YL400

LW0400108 YL400

Alpha Wire

CBL MALE RA TO WIRE LD 4P 49.2'

8

DW04DW117 TL400

DW04DW117 TL400

Alpha Wire

CBL MALE RA TO MALE RA 4PS 49.2'

5

EW1200126 BK358

EW1200126 BK358

Alpha Wire

CBL FMALE RA TO WIRE 12P 16.4'

6

ER1900127 BK401

ER1900127 BK401

Alpha Wire

CBL FMALE TO WIRE LEAD 19PS 20'

7

HR0300100 SL356

HR0300100 SL356

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 3.28'

14

HR04GW101 SL401

HR04GW101 SL401

Alpha Wire

CBL FMALE RA TO MALE 4POS 20'

14

DR04AR117 TL357

DR04AR117 TL357

Alpha Wire

CBL FMALE TO MALE 4POS 9.84'

11

AW0800123 SL401

AW0800123 SL401

Alpha Wire

CBL FMALE RA TO WIRE 8POS 20'

8

KW0400114 YL356

KW0400114 YL356

Alpha Wire

CBL FMALE RA TO WIRE 4POS 3.28'

3

DR0300100 SL357

DR0300100 SL357

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 9.84'

15

DR0800112 SL401

DR0800112 SL401

Alpha Wire

CBL MALE TO WIRE LEAD 8POS 20'

4

AW0400105 SL355

AW0400105 SL355

Alpha Wire

CBL FMALE RA TO WIRE 4POS 1.97'

18

HR03GW100 SL359

HR03GW100 SL359

Alpha Wire

CBL FMALE RA TO MALE 3POS 32.8'

4

AR0400101 SL356

AR0400101 SL356

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 3.28'

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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