Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
M12A-03BMMM-SR8B01

M12A-03BMMM-SR8B01

LTW (Amphenol LTW)

CBL MALE RA TO WIRE LD 5P 3.28'

4

M12A05FL-12AFL-SD001

M12A05FL-12AFL-SD001

LTW (Amphenol LTW)

CBL ASSY 5POS FEMALE TO FMALE 1M

28

BD-05AMMM-QL8D01

BD-05AMMM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 5POS M TO WIRE 1M

50

M12A05ML-12AFL-SDA05

M12A05ML-12AFL-SDA05

LTW (Amphenol LTW)

CBL ASSY 5POS MALE TO FMALE 0.5M

24

BB-02AMMM-QL8E01

BB-02AMMM-QL8E01

LTW (Amphenol LTW)

CBL MALE TO WIRE LEAD 2POS 3.28'

11

M12A04MR-12AFR-SBA05

M12A04MR-12AFR-SBA05

LTW (Amphenol LTW)

CBL ASSY 4POS MALE TO FMALE 0.5M

62

M12B05MR-12BMR-SDA05

M12B05MR-12BMR-SDA05

LTW (Amphenol LTW)

CBL ASSY 5POS MALE TO MALE 0.5M

47

M12A-05BMMM-PL8D04

M12A-05BMMM-PL8D04

LTW (Amphenol LTW)

MPRONTO-12 A CODE PUSH-PULL OVER

10

M12A04FL-12AFL-SB002

M12A04FL-12AFL-SB002

LTW (Amphenol LTW)

CBL ASSY 4POS FEMALE TO FMALE 2M

0

BBD-06AFMM-QR8F01

BBD-06AFMM-QR8F01

LTW (Amphenol LTW)

CBL MALE RA TO WIRE LD 6P 3.28'

111

M12A04ML-12AFL-SD001

M12A04ML-12AFL-SD001

LTW (Amphenol LTW)

CBL ASSY 4POS MALE TO FEMALE 1M

69

M12A-05BMMM-PL8D02

M12A-05BMMM-PL8D02

LTW (Amphenol LTW)

MPRONTO-12 A CODE PUSH-PULL OVER

9

M12A12FL-12AMR-SBA05

M12A12FL-12AMR-SBA05

LTW (Amphenol LTW)

CBL ASSY 12POS MALE TO FML 0.5M

48

M12A12ML-12AFL-SB002

M12A12ML-12AFL-SB002

LTW (Amphenol LTW)

CBL ASSY 12POS MALE TO FEMALE 2M

23

M12A04MR-12AFR-SB001

M12A04MR-12AFR-SB001

LTW (Amphenol LTW)

CBL ASSY 4POS MALE TO FEMALE 1M

19

MSXS08ML-SXSML-SG005

MSXS08ML-SXSML-SG005

LTW (Amphenol LTW)

CBL MALE TO MALE 8P SHLD 5 M

0

AU-08BMMM-QL8D01

AU-08BMMM-QL8D01

LTW (Amphenol LTW)

CBL ASSEMBLY 8POS M TO WIRE 1M

0

M12A05ML-12AML-SD002

M12A05ML-12AML-SD002

LTW (Amphenol LTW)

CBL ASSY 5POS MALE TO MALE 2M

0

M12L-05BMMM-SL8H02

M12L-05BMMM-SL8H02

LTW (Amphenol LTW)

CBL ASSEMBLY 5POS M TO WIRE 2M

10

M12B05ML-12BMR-SBA05

M12B05ML-12BMR-SBA05

LTW (Amphenol LTW)

CBL ASSY 5POS MALE TO MALE 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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