Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
AW0400105 SL400

AW0400105 SL400

Alpha Wire

CBL FMALE RA TO WIRE 4POS 49.2'

12

AW0800112 SL358

AW0800112 SL358

Alpha Wire

CBL FMALE TO WIRE LEAD 8PS 16.4'

3

HR03GW100 SL357

HR03GW100 SL357

Alpha Wire

CBL FMALE RA TO MALE 3POS 9.84'

3

KR0500109 YL400

KR0500109 YL400

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 49.2'

5

LR0300113 YL359

LR0300113 YL359

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 32.8'

6

301ACN NC404

301ACN NC404

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 1.64'

19

PR04KR114 YL357

PR04KR114 YL357

Alpha Wire

CBL FMALE TO MALE 4POS 9.84'

10

KW0300113 YL359

KW0300113 YL359

Alpha Wire

CBL FMALE RA TO WIRE 3POS 32.8'

10

KW0300113 YL355

KW0300113 YL355

Alpha Wire

CBL FMALE RA TO WIRE 3POS 1.97'

20

GR0300100 SL401

GR0300100 SL401

Alpha Wire

CBL FMALE TO WIRE LEAD 3POS 20'

9

315KCF NC405

315KCF NC405

Alpha Wire

CBL FMALE TO WIRE LEAD 3P 6.56'

10

PR0300113 YL355

PR0300113 YL355

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 1.97'

20

KR0500109 YL356

KR0500109 YL356

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 3.28'

6

322LCF NC402

322LCF NC402

Alpha Wire

CBL MALE TO WIRE LEAD 4POS 0.98'

13

KW0500115 YL400

KW0500115 YL400

Alpha Wire

CBL FMALE RA TO WIRE 5POS 49.2'

5

AW0300100 SL356

AW0300100 SL356

Alpha Wire

CBL FMALE RA TO WIRE 4POS 3.28'

2

DR04GR101 SL355

DR04GR101 SL355

Alpha Wire

CBL FMALE TO MALE 4POS 1.97'

30

LR03KR107 YL359

LR03KR107 YL359

Alpha Wire

CBL FMALE TO MALE 3POS 32.8'

5

KW0500115 YL401

KW0500115 YL401

Alpha Wire

CBL FMALE RA TO WIRE 5POS 20'

5

KR0500115 YL400

KR0500115 YL400

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 49.2'

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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