Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
A8504952S44N

A8504952S44N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 44 SILVER

0

A8504938S17A

A8504938S17A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 17 BLACK

7

A8504951120A

A8504951120A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 20 BLACK

6

A8504951120W

A8504951120W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 20 OLIVE

12

M85049/38-17W

M85049/38-17W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 17 OLIVE

893

M85049/52-1-22N

M85049/52-1-22N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 22 SILVER

49

A8504952S32A

A8504952S32A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 32 BLACK

77

A8504951S12N

A8504951S12N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 12 SILVER

1

A8504951S14A

A8504951S14A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 14 BLACK

14

A8504951116W

A8504951116W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 16 OLIVE

0

A850493925W

A850493925W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 25 OLIVE

9

A850495118W

A850495118W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 8 OLIVE

0

A850493911A

A850493911A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 11 BLACK

31

A8504952118N

A8504952118N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 18 SILVER

15

M85049/38S13N

M85049/38S13N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 13 SILVER

246

A8504952116A

A8504952116A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 16 BLACK

23

M85049/92-21T

M85049/92-21T

Socapex (Amphenol Pcd)

COMPOSITE STRAIN RELIEF

25

M85049/1813W03

M85049/1813W03

Socapex (Amphenol Pcd)

CONN BACKSHELL W/CLAMP SZ 13 M18

0

A8504939S19W

A8504939S19W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 19 OLIVE

30

M85049/49-2-14W

M85049/49-2-14W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 14/15 OLIVE

0

Circular Connectors - Backshells and Cable Clamps

1. Overview

Circular connectors backshells and cable clamps are critical electromechanical components that ensure secure cable termination, strain relief, and environmental protection in connector systems. Backshells provide mechanical support and shielding for cable-connector junctions, while cable clamps offer strain relief by securing cables to panels or equipment. These components are essential in maintaining signal integrity, preventing mechanical failure, and meeting industry-specific environmental standards across aerospace, industrial automation, and medical device applications.

2. Main Types and Functional Classification

TypeFunction FeaturesApplication Examples
Metal BackshellsEMI/RFI shielding, high durability, threaded couplingAerospace avionics systems
Plastic BackshellsLightweight, corrosion-resistant, quick-install designIndustrial IoT sensors
360 Cable ClampsFull-circle compression, vibration resistanceRobotics joint actuators
Split-shell ClampsField-installable, adjustable diameter rangeMarine communication systems
EMI Shielded ClampsIntegrated conductive gaskets, grounding contactsMilitary radar equipment

3. Structure and Components

Typical backshell assembly consists of: - Housing (aluminum alloy or thermoplastic) - Cable entry port with sealing ring (IP67 rated) - Strain relief mechanism (serrated clamping ring) - EMI shielding fingers (for metallic versions) - Panel mounting threads (UNF or metric) Cable clamp structure includes: - Two-part housing (upper/lower halves) - Elastomer compression sleeve - Threaded locking screws - Cable contact surface (textured for grip) - Optional grounding tab

4. Key Technical Specifications

ParameterValue RangeImportance
Material Temperature Range-55 C to +150 COperational reliability in extreme environments
IP Protection RatingIP65-IP68Dust/water ingress prevention
Cable Diameter Range2-25mmCompatibility with various cable sizes
Insertion Force0.5-5NImpact on field installation efficiency
Shielding Effectiveness60-100dBSignal integrity maintenance
Vibration Resistance10-2000Hz, 10GAerospace/military compliance

5. Application Fields

  • Aerospace: Flight control systems, satellite communication arrays
  • Medical: MRI scanners, patient monitoring equipment
  • Industrial: CNC machine cabling, factory automation sensors
  • Transportation: Rail signaling systems, EV battery connectors
  • Defense: Tactical radio systems, weapon guidance electronics

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityDuronic MS BackshellQuick-disconnect, MIL-DTL-38999 compliant
AmphenolSeries 5000 Cable ClampMulti-cable capacity, IP68 rated
MolexToughCrimp Shielded Backshell10G EMI shielding, vibration proof
Weidm llerPROFIBUS Cable ClampFieldbus protocol optimized design

7. Selection Recommendations

Key selection criteria include: - Environmental factors (temperature, humidity, chemical exposure) - Cable geometry (diameter, jacket material) - Mechanical requirements (vibration, pull-out force) - EMI/RFI shielding needs - Installation constraints (tool access, maintenance frequency) - Compliance standards (MIL-SPEC, IEC 60529) Example: For offshore wind turbine sensors, select stainless steel backshells with IP68 clamps and neoprene sealing to withstand saltwater corrosion and mechanical shock.

8. Industry Trends

Current development trends include: - Hybrid connectors integrating optical and electrical backshells - Additive manufacturing for custom cable clamp geometries - Smart clamps with embedded strain gauges for condition monitoring - Nano-coatings for enhanced corrosion resistance - Miniaturization for UAV and wearable medical device applications - Sustainability focus: Recyclable thermoplastic formulations

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