Circular Connector Backshells

Circular connector backshells are components of a wiring system that attach to the cable side of a circular connector in order to provide robustness and ensure its integrity. They are typically separate from the connector head itself, and secure the cable to the connector via a clamp.

Why are circular connector backshells needed?

Circular connector backshells help to protect the connector, and to safeguard the reliability of the cable and ultimately the entire system. They prevent the ingress of dirt, moisture and liquids into the connector head by providing a tight seal against the cable itself. In addition they act as an effective form of strain relief for the connector assembly, ensuring that the cable cannot be bent to an excessive angle, which could potentially damage it.

What are circular connector backshells used for?

Circular connector backshells are used to shield wire connection points of interconnecting cables and connectors. They may also be used to shield against electrical interference in a system by acting as a continuation of the cable ground sheath directly into the connector itself.


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Description Price For Use With Shell Size Body Orientation Gender Housing Material Spring Clip Size Thread Size IP Rating Length Number of Contacts Strain Relief Series
RS Stock No. 198-7483
Mfr. Part No.BK4SRL10059SZN-B1
TWD1,673.00
Each
units
38999 III 10 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 873-1878
Mfr. Part No.97-3057-1020
TWD341.00
Each
units
Jacketed Cable, Wires Protected by Tubing 32 Straight - - - 1-3/4 in - 18 - 27.81mm - - 97
RS Stock No. 709-3759
Mfr. Part No.TT238SR-112
BrandToughcon
TWD368.00
Each
units
- - - - - - - - 41.9mm - - -
RS Stock No. 175-4512
Mfr. Part No.84020008
TWD2,707.00
Each
units
840 Series 2 Angled, Straight Male Plastic - - IP65 31.5 mm, 40.5 mm - - 840
RS Stock No. 198-7550
Mfr. Part No.BK4SRN22169SN-B1
TWD2,199.00
Each
units
38999 III 22 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 510-1041
Mfr. Part No.UT0S14JCS
TWD594.00
Each
units
- - - - - - - - 80.5mm - - -
RS Stock No. 691-6724
Mfr. Part No.1330 3 P1
TWD2,246.00
Each
units
Connector 3 Straight - Aluminium Alloy - - IP67 13mm - Yes ECTA 133
RS Stock No. 689-8777
Mfr. Part No.BS1SRL12999XY
TWD852.00
Each
units
Group L Connector 12 Straight - Aluminium - - - 33.27mm - Yes BS1
RS Stock No. 808-747
Mfr. Part No.CL102041
TWD786.00
Each
units
- - - - - - - - - - - -
RS Stock No. 175-3755
Mfr. Part No.CL112101
TWD522.00
Each
units
- - - - - - - - - - - -
RS Stock No. 178-7405
Mfr. Part No.47383NI
TWD1,454.00
Each
units
SL1 Series 30 Right Angle Male to Female - - - IP55 60.8 mm, 68.5 mm - - SL 61
RS Stock No. 510-8418
Mfr. Part No.AIA-5003-09-00-90-10-AA-04
TWD2,120.00
Each
units
Mil-C-38999 Series III - Right Angle - Aluminium Alloy - M12 - 32.39mm - No -
RS Stock No. 764-1982
Mfr. Part No.8DABE2AF09F
TWD9,364.00
Each
units
EN3645 ELIO Connectors, MIL-DTL-38999 Series III 09 Straight - Aluminium - M12 x 1 - 43mm - - 8DABE
New
RS Stock No. 206-7578
Mfr. Part No.M85049/69-21W
TWD487.00
Each
units
38999 III 21 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 873-1985
Mfr. Part No.97-3057-6(621)
TWD314.00
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 27.38mm - - 97
RS Stock No. 343-1687
TWD745.00
Each
units
ABCIRCH 18 - - - - - - 37mm 10 - -
New
RS Stock No. 206-7530
Mfr. Part No.M85049/38-19W
TWD467.00
Each
units
38999 III 19 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 709-3541
Mfr. Part No.TM178UD-152
BrandToughcon
TWD584.00
Each
units
- - - - - - - - 34mm - - -
RS Stock No. 912-0642
Mfr. Part No.UT0S14JCSL
TWD743.00
Each
units
UT0 Series Connectors 14 Straight - Zinc Alloy - 13/16 in - 20 IP68 66.5mm - Yes UT0
New
RS Stock No. 206-7529
Mfr. Part No.M85049/38-19N
TWD365.00
Each
units
38999 III 19 Straight - Aluminium Alloy - - - - - Yes MIL