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. 575-743
Mfr. Part No.PX0799
BrandBulgin
SGD5.70
Each
units
- - - - - - - - 50mm - - -
RS Stock No. 873-1869
Mfr. Part No.97-3057-1016
SGD9.64
Each
units
Jacketed Cable, Wires Protected by Tubing 24, 28 Straight - - - 1-7/16 in - 18 - 25.78mm - - 97
RS Stock No. 198-7486
Mfr. Part No.BK4SRL12079SY-B1
SGD79.87
Each
units
38999 III 12 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 175-4534
Mfr. Part No.84040008
SGD141.99
Each
units
840 Series 4 Angled, Straight - Plastic - - IP65 43.5 mm, 55 mm - - 840
RS Stock No. 873-1658
Mfr. Part No.97-283-14
SGD60.48
Each
units
Jacketed Cable 14 - - Aluminium Alloy - - - - - - 97
New
RS Stock No. 206-7575
Mfr. Part No.M85049/69-19Z
SGD28.07
Each
units
38999 III 19 Straight - Aluminium Alloy - - - - - No MIL
RS Stock No. 691-6737
Mfr. Part No.1330 1 PES1
SGD77.17
Each
units
Connector 1 Straight - Aluminium Alloy - - IP67 42mm - Yes ECTA 133
RS Stock No. 198-7538
Mfr. Part No.BK4SRN16109SY
SGD77.13
Each
units
38999 III 16 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 175-3929
Mfr. Part No.CL102021
SGD20.44
Each
units
- - - - - - - - - - - -
RS Stock No. 198-7480
Mfr. Part No.BK4SRL10059SY-B1
SGD109.93
Each
units
38999 III 10 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 175-4540
Mfr. Part No.840200011
SGD305.35
Each
units
840 Series 2 Straight - Metal - - IP65 39mm - - 840
New
RS Stock No. 206-7609
Mfr. Part No.M85049/88-21W03
SGD69.34
Each
units
38999 III 21 Straight - Aluminium Alloy - - - - - No MIL
New
RS Stock No. 206-7525
Mfr. Part No.M85049/38-17A
SGD18.81
Each
units
38999 III 17 Straight - Aluminium Alloy - - - - - Yes MIL
New
RS Stock No. 206-7605
Mfr. Part No.M85049/88-19N03
SGD60.94
Each
units
38999 III 19 Straight - Aluminium Alloy - - - - - No MIL
New
RS Stock No. 206-7536
Mfr. Part No.M85049/38-23W
SGD23.82
Each
units
38999 III 23 Straight - Aluminium Alloy - - - - - Yes MIL
RS Stock No. 912-0633
Mfr. Part No.UT0S12JCSL
SGD24.09
Each
units
UT0 Series Connectors 12 Straight - Zinc Alloy - 11/16 in - 24 IP68 61.5mm - Yes UT0
RS Stock No. 195-0932
Mfr. Part No.AHDMBS-24-002
SGD18.03
Each
units
AHDM Series Connectors 24 - - Aluminium Alloy - M38 x 1.5 6H - 84mm - - Duramate AHDM
RS Stock No. 247-7143
Mfr. Part No.7-1437723-9
SGD55.97
Each
units
- 23 Straight - Plastic - - - 43mm - - -
RS Stock No. 198-7525
Mfr. Part No.BK4SRN10059SY
SGD53.41
Each
units
38999 III 10 Straight Female Aluminium Alloy - - - - - No BK4
RS Stock No. 912-0718
Mfr. Part No.UT012JCSL
SGD20.10
Each
units
UT0 Series Connectors 12 Straight - Zinc Alloy - 11/16 in - 24 IP68 49.5mm - Yes UT0