Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
M12A04ML-12AFL-SB001

M12A04ML-12AFL-SB001

LTW (Amphenol LTW)

CBL ASSY 4POS MALE TO FEMALE 1M

19

PC-000505-0MF-CSB03

PC-000505-0MF-CSB03

LTW (Amphenol LTW)

CBL FMALE TO MALE 5P SHLD 9.84'

0

PC-050500-MM0-TSB01

PC-050500-MM0-TSB01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 5POS 3.28'

0

105-02AFMM-SL7A01

105-02AFMM-SL7A01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 2POS 3.28'

0

8-03AMMM-SR7B01

8-03AMMM-SR7B01

LTW (Amphenol LTW)

CBL MALE RA TO WIRE LD 4P 3.28'

0

Q8DU-05AMMM-QL8A03

Q8DU-05AMMM-QL8A03

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 5POS 9.84'

0

8AP-06AFFM-SL7A10

8AP-06AFFM-SL7A10

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 6P 32.8'

0

PS-030300-MM0-TSA02

PS-030300-MM0-TSA02

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 3POS 6.56'

0

PC-000505-0MM-CSA10

PC-000505-0MM-CSA10

LTW (Amphenol LTW)

CBL MALE TO MALE 5POS SHLD 32.8'

0

DD-14AMMM-RL7A01

DD-14AMMM-RL7A01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 18P 3.28'

0

M12A-05BFFM-SR8A01

M12A-05BFFM-SR8A01

LTW (Amphenol LTW)

CBL FMALE RA TO WIRE 5POS 3.28'

0

CDU-14BFMM-SL7A01

CDU-14BFMM-SL7A01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 14P 3.28'

0

M12A-06BFFM-SR8A01

M12A-06BFFM-SR8A01

LTW (Amphenol LTW)

CBL FMALE RA TO WIRE 8POS 3.28'

0

M12S-04PFFS-SF8B30

M12S-04PFFS-SF8B30

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 4P 0.98'

0

M12B-05BMMM-PL8D01

M12B-05BMMM-PL8D01

LTW (Amphenol LTW)

MPRONTO-12 B CODE PUSH-PULL OVER

10

PWC-03AFFM-LL7E10

PWC-03AFFM-LL7E10

LTW (Amphenol LTW)

CBL FMALE TO WIRE LEAD 3P 32.8'

0

PWC-03AFMM-LL7D05

PWC-03AFMM-LL7D05

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 3P 16.4'

0

8A-03AMMM-SL7A02

8A-03AMMM-SL7A02

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 4POS 6.56'

0

PC-000505-0MF-CSB15

PC-000505-0MF-CSB15

LTW (Amphenol LTW)

CBL FMALE TO MALE 5P SHLD 49.2'

0

M12A04FL-12AFR-SDA05

M12A04FL-12AFR-SDA05

LTW (Amphenol LTW)

CBL ASSY 4POS FEMALE TO FML 0.5M

49

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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