Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
M12L-05BMMM-SR8H01

M12L-05BMMM-SR8H01

LTW (Amphenol LTW)

CBL ASSEMBLY 5POS M TO WIRE 1M

10

1309930100

1309930100

Weidmuller

CBL ASSY 4POS FEMALE TO FML 10M

5

BCC0912

BCC0912

Balluff

CONNECTION=7/8"-FEMALE, ANGLED,

22

TAD14741111-020

TAD14741111-020

TE Connectivity AMP Connectors

M12D4-MS-MS-PVC TYPE B-2.0M

0

1025950500

1025950500

Weidmuller

CBL ASSY 4POS MALE TO M SHD 50M

3

HSDSPZSPZ09-20

HSDSPZSPZ09-20

Connex (Amphenol RF)

CBL ASSY 4POS FEMALE TO FMALE 5'

0

1-2273034-3

1-2273034-3

TE Connectivity AMP Connectors

CBL MALE TO WIRE LEAD 5P 16.4'

35

2485590015

2485590015

Weidmuller

CBL ASSY 8POS MALE TO M SHD 1.5M

5

2273124-4

2273124-4

TE Connectivity AMP Connectors

CBL FMALE RA TO MALE 3POS 4.92'

22

TAD14241311-007

TAD14241311-007

TE Connectivity AMP Connectors

M12D4-MR-PVC TYPE B RED-10.0M

15

IO-PRCPTP-14-3-P

IO-PRCPTP-14-3-P

Io Audio Technologies

CBL ASSEMBLY 3POS 3'

48

BCC034U

BCC034U

Balluff

CONNECTION=M12X1-FEMALE, ANGLED,

37

309ACFS NC404

309ACFS NC404

Alpha Wire

CBL FMALE TO WIRE LEAD 5P 1.64'

13

1300100875

1300100875

Woodhead - Molex

CBL FMALE TO MALE 4POS 39.4'

3

ICA4T35P2BL5M

ICA4T35P2BL5M

Panduit Corporation

INDUSTRIALNET M12 4-PIN A-CODE,

86

AW0300104 SL357

AW0300104 SL357

Alpha Wire

CBL FMALE RA TO WIRE 4POS 9.84'

26

1437685

1437685

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 1.64'

17

MCR-8-02-L-00.50-S-BC

MCR-8-02-L-00.50-S-BC

Samtec, Inc.

CBL ASSY 12POS F TO WIRE 0.5M

12

1200651451

1200651451

Woodhead - Molex

CBL FMALE RA TO WIRE 5POS 16.4'

3

BCC0AL5

BCC0AL5

Balluff

CONNECTION 1=M12X1-MALE, STRAIGH

9

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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