Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
LR03KR107 YL358

LR03KR107 YL358

Alpha Wire

CBL FMALE TO MALE 3POS 16.4'

4

LR04KW114 YL358

LR04KW114 YL358

Alpha Wire

CBL FMALE RA TO MALE 4POS 16.4'

6

LR03KR113 YL359

LR03KR113 YL359

Alpha Wire

CBL FMALE TO MALE 3POS 32.8'

10

GW0400101 SL359

GW0400101 SL359

Alpha Wire

CBL FMALE RA TO WIRE 4POS 32.8'

2

DR04AR101 SL358

DR04AR101 SL358

Alpha Wire

CBL FMALE TO MALE 4POS 16.4'

12

KR0300113 YL357

KR0300113 YL357

Alpha Wire

CBL FMALE TO WIRE LEAD 3P 9.84'

8

AW0800103 SL355

AW0800103 SL355

Alpha Wire

CBL FMALE TO WIRE LEAD 8P 1.97'

6

PR05KR115 YL357

PR05KR115 YL357

Alpha Wire

CBL FMALE TO MALE 5POS 9.84'

5

321LCF NC356

321LCF NC356

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 3.28'

17

DR0800128 SL358

DR0800128 SL358

Alpha Wire

CBL MALE TO WIRE LEAD 8P 16.4'

20

KR0400108 YL401

KR0400108 YL401

Alpha Wire

CBL FMALE TO WIRE LEAD 4POS 20'

4

DR0500102 SL400

DR0500102 SL400

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 49.2'

19

LR0400108 YL356

LR0400108 YL356

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 3.28'

2

KR0300113 YL400

KR0300113 YL400

Alpha Wire

CBL FMALE TO WIRE LEAD 3P 49.2'

10

AW0500102 SL401

AW0500102 SL401

Alpha Wire

CBL FMALE RA TO WIRE 5POS 20'

10

KW0400114 YL357

KW0400114 YL357

Alpha Wire

CBL FMALE RA TO WIRE 4POS 9.84'

10

DR05AW106 SL358

DR05AW106 SL358

Alpha Wire

CBL FMALE RA TO MALE 5POS 16.4'

9

AW0800112 SL401

AW0800112 SL401

Alpha Wire

CBL FMALE TO WIRE LEAD 8POS 20'

4

GR0400101 SL358

GR0400101 SL358

Alpha Wire

CBL FMALE TO WIRE LEAD 4PS 16.4'

20

EW1200126 BK401

EW1200126 BK401

Alpha Wire

CBL FMALE RA TO WIRE 12POS 20'

5

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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