Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
M12B05MR-12BFR-SBA05

M12B05MR-12BFR-SBA05

LTW (Amphenol LTW)

CBL ASSY 5POS MALE TO FMALE 0.5M

40

BB-04AFFM-QL8D01

BB-04AFFM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 4POS F TO WIRE 1M

0

PD-050500-MM0-TSA01

PD-050500-MM0-TSA01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 5POS 3.28'

0

SB-040400-MF0-TSA05

SB-040400-MF0-TSA05

LTW (Amphenol LTW)

CBL FMALE/MALE TO WIRE 4P 16.4'

0

PWC-03AFFM-LL7B10

PWC-03AFFM-LL7B10

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 3P 32.8'

0

GBD-08BMMM-TL7A10

GBD-08BMMM-TL7A10

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 8POS 32.8'

0

DSD-18BFMM-SR6A05

DSD-18BFMM-SR6A05

LTW (Amphenol LTW)

CBL MALE RA TO WIRE 18POS 16.4'

0

M12A-12BMMM-PL8D10

M12A-12BMMM-PL8D10

LTW (Amphenol LTW)

MPRONTO-12 A CODE PUSH-PULL OVER

0

PWCU-04AFMM-LL7A01

PWCU-04AFMM-LL7A01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 4POS 3.28'

0

PD-050500-FF0-TSA10

PD-050500-FF0-TSA10

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 5P 32.8'

0

8A-06AMMM-SR7A02

8A-06AMMM-SR7A02

LTW (Amphenol LTW)

CBL MALE RA TO WIRE LD 6P 6.56'

0

8-04BFFM-SL7A02

8-04BFFM-SL7A02

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 4P 6.56'

0

PWC-03BFFM-LL7D05

PWC-03BFFM-LL7D05

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 3P 16.4'

0

DD-14RFFC-RC7B30

DD-14RFFC-RC7B30

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 18P 0.98'

0

PB-040400-MF0-TSA10

PB-040400-MF0-TSA10

LTW (Amphenol LTW)

CBL FMALE/MALE TO WIRE 4P 32.8'

0

PWC-03AFMM-LL7A02

PWC-03AFMM-LL7A02

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 3POS 6.56'

0

M12D-04BMMM-SL8D01

M12D-04BMMM-SL8D01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 4POS 3.28'

0

M12D-04BFFM-SL8D02

M12D-04BFFM-SL8D02

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 4P 6.56'

0

CB-06AFFM-QR8D01

CB-06AFFM-QR8D01

LTW (Amphenol LTW)

MIDDLE

0

AU-06BFFM-QL8D01

AU-06BFFM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 6POS F TO WIRE 1M

14

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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