Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
BCC0JE3

BCC0JE3

Balluff

CONNECTION 1=M12X1-FEMALE, ANGLE

265

PXPTPU12FBF04SCL010PUR

PXPTPU12FBF04SCL010PUR

Bulgin

CBL M12 S FMALE TO WIRE 4POS 1M

50

2-2317142-5

2-2317142-5

TE Connectivity AMP Connectors

CBL MALE TO MALE 8POS SHLD 26.2'

0

1406083

1406083

Phoenix Contact

CBL FMALE TO WIRE LEAD 8P 6.56'

53

1682799

1682799

Phoenix Contact

CBL FMALE TO WIRE LEAD 3P 9.84'

0

1681981

1681981

Phoenix Contact

CBL FMALE RA TO MALE 3POS 0.98'

0

MQDMC-530RA

MQDMC-530RA

Banner Engineering

EURO-STYLE MALE QUICK DISCONNECT

7

1668108

1668108

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 4.92'

32787

BCC0AL3

BCC0AL3

Balluff

CONNECTION 1=M12X1-MALE, STRAIGH

0

LW0400108 YL355

LW0400108 YL355

Alpha Wire

CBL MALE RA TO WIRE LD 4P 1.97'

0

1671357

1671357

Phoenix Contact

CBL FMALE TO MALE 4POS 4.92'

6

MQDC-406-PUR

MQDC-406-PUR

Banner Engineering

EURO-STYLE QUICK DISCONNECT CABL

17

RSRK 50-877/15M

RSRK 50-877/15M

Lumberg Automation

CBL FMALE TO MALE 5POS 49.2'

4

KW0400108 YL359

KW0400108 YL359

Alpha Wire

CBL FMALE RA TO WIRE 4POS 32.8'

8

1072F12-04-2-4-S-00050

1072F12-04-2-4-S-00050

CnC Tech

CBL ASSEMBLY 4POS F TO WIRE 0.5M

40

1424113

1424113

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 9.84'

0

BCC0555

BCC0555

Balluff

CONNECTION=M8X1-FEMALE, ANGLED,

24

BCC07Z2

BCC07Z2

Balluff

CONNECTION 1=7/8"-FEMALE, STRAIG

22

QDS-550C

QDS-550C

Banner Engineering

CBL ASSEMBLY 5POS F TO WIRE 50'

1

PXPPVC12RAM03ACL010PVC

PXPPVC12RAM03ACL010PVC

Bulgin

CBL MALE RA TO WIRE LD 3P 3.28'

100

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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