Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
DR0300100 SL357

DR0300100 SL357

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 9.84'

15

EVC001

EVC001

ifm Efector

CONNECTING CABLE WITH SOCKET; OP

143

1430158

1430158

Phoenix Contact

CBL FMALE TO WIRE LEAD 12P 32.8'

0

T4061410004-004

T4061410004-004

TE Connectivity AMP Connectors

CBL ASSY 4POS F TO WIRE SHD 3M

1021

TAB62135501-080

TAB62135501-080

TE Connectivity AMP Connectors

CBL ASSEMBLY 5POS M TO WIRE 8M

20

9456671000

9456671000

Weidmuller

CBL FMALE RA TO MALE 4POS 32.8'

11

1200720254

1200720254

Woodhead - Molex

CBL FMALE RA TO WIRE 3POS 12'

3

1200720368

1200720368

Woodhead - Molex

MIC 4P FP 25' 22/4 PVC N-M

0

1300140045

1300140045

Woodhead - Molex

MC 7P FR 12' 16/1 PVC SS

0

MQDC2S-1250RA

MQDC2S-1250RA

Banner Engineering

CORDSET POWER AND I/OSEALED

2

BCC0584

BCC0584

Balluff

CONNECTION 1=M8X1-FEMALE, ANGLED

49

2-2322421-1

2-2322421-1

TE Connectivity AMP Connectors

CBL MALE TO MALE 8POS SHLD 36.1'

10

MQDC2S-830

MQDC2S-830

Banner Engineering

CBL ASSEMBLY 8POS F TO WIRE 30'

8

2136D3D5428010

2136D3D5428010

HARTING

CBL ASSY 4POS MALE TO FEMALE 1M

50

DR0800112 SL401

DR0800112 SL401

Alpha Wire

CBL MALE TO WIRE LEAD 8POS 20'

4

9456382500

9456382500

Weidmuller

CBL FMALE RA TO WIRE 4POS 82'

5

BCC0E7Z

BCC0E7Z

Balluff

CONNECTION 1=M12X1-MALE, STRAIGH

0

EVF044

EVF044

ifm Efector

CONNECTION CABLE; CABLE WITH CON

0

10-03870

10-03870

Tensility International Corporation

CABLE M5 4POS 2 PAIR M LEADS 6'

0

1300080157

1300080157

Woodhead - Molex

CBL FMALE TO WIRE LEAD 12P 6'

7

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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