Barrier Strips

Barrier strips are screw-type electrical connectors that allow more than one circuit to connect to another circuit. Wires are clamped down to a metal part by tightening of a screw. Multiple screw terminals are arranged such that the metal strips are separated by a barrier or insulating block. 


How do barrier strips work?


Each strip will have a pair of screws arranged such that each screw connects to a separate conductor on either end of the strip. Alternatively, terminal strips have several screws along two strips, creating a bus bar for the distribution of power.


Barrier strips can accommodate a broad range of wire sizes and provide reliable connection. The term contact refers to the wire attached to the barrier and the contact pitch refers to the distance between each contact, measured from the centre of each opening or hole.


Applications of Barrier strips


Barrier strips are extensively used in electrical wiring for distributing electricity, connecting switches, electrical outlets and lighting fixtures to the mains. Theyre also used to directly connect major appliances such as ovens. You will also find barrier strips in surge protectors and speakers.


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Description Price Number of Contacts Pitch Body Orientation Contact Material Contact Plating Number of Rows Screw Size Wire Size Material Fixing Centre Current Rating Voltage Rating Dimensions Depth
RS Stock No. 782-1970
Mfr. Part No.1546670-4
TWD98.40
Each (In a Pack of 5)
units
4 11.1mm - Brass Tin 2 UNC 6-32 22 → 14 AWG Thermoplastic - 25A 300 V - -
RS Stock No. 885-7933
Mfr. Part No.95B
TWD44.90
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS Stock No. 804-5764
Mfr. Part No.3240262
TWD397.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 885-6848
Mfr. Part No.9-141
TWD255.00
Each
units
9 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 111.13mm 20A 250 V ac 119.05 x 28.58 x 12.7mm 12.7mm
RS Stock No. 782-2009
Mfr. Part No.1546306-6
TWD74.80
Each (In a Pack of 5)
units
6 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 822-7238
Mfr. Part No.38780-0106
BrandMolex
TWD156.00
Each
units
6 11.11mm Straight Brass Nickel 2 6 → 32 - Thermoplastic - - - 85.7 x 28.6 x 14mm 14mm
RS Stock No. 822-7171
Mfr. Part No.38760-0112
BrandMolex
TWD209.00
Each
units
12 9.53mm Straight Brass Nickel 2 6 → 32 24 → 12 AWG Thermoplastic - - - 130.9 x 22.4 x 16mm 16mm
RS Stock No. 822-7086
Mfr. Part No.38720-6210
BrandMolex
TWD212.00
Each
units
10 9.53mm Straight Brass Tin 1 6 → 32 22 → 14 AWG PBT - 15A 300 V 116.3 x 15.7 x 16.8mm 16.8mm
RS Stock No. 822-7098
Mfr. Part No.38720-6214
BrandMolex
TWD222.00
Each
units
14 9.53mm Straight Brass Tin 1 6 → 32 22 → 14 AWG PBT - 15A 300 V 154.4 x 15.7 x 16.8mm 16.8mm
RS Stock No. 885-9311
Mfr. Part No.7-141
TWD232.00
Each
units
7 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 88.9mm 20A 250 V ac 96.82 x 28.58 x 12.7mm 12.7mm
RS Stock No. 885-6722
Mfr. Part No.5-142
TWD237.00
Each
units
5 14.3mm Straight Brass Nickel 2 8 → 32 10 AWG Phenolic 85.73mm 30A 250 V ac 96.04 x 33.32 x 15.88mm 15.88mm
RS Stock No. 782-5437
Mfr. Part No.6PCV-14-006
TWD403.00
Each
units
14 9.53mm - - - 1 - 22 → 12 AWG - - 25A 300 V - -
RS Stock No. 822-7231
Mfr. Part No.38780-0104
BrandMolex
TWD113.00
Each
units
4 11.11mm Straight Brass Nickel 2 6 → 32 - Thermoplastic - - - 63.5 x 28.6 x 14mm 14mm
RS Stock No. 885-9327
Mfr. Part No.20-141
TWD407.00
Each
units
20 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 233.35mm 20A 250 V ac 241.3 x 28.58 x 12.7mm 12.7mm
RS Stock No. 822-7127
Mfr. Part No.38724-5706
BrandMolex
TWD77.20
Each (In a Pack of 250)
units
6 - - - - 1 - - - - - - - -
RS Stock No. 630-0700
Mfr. Part No.ML-40-S1AXF-7P
BrandSato Parts
TWD192.00
Each
units
7 7.62mm Straight - - 1 - - PBT - 10A 250 V 70.48 x 14 x 24mm 24mm
RS Stock No. 630-0788
Mfr. Part No.ML-50-S1AXF-4P
BrandSato Parts
TWD158.00
Each
units
4 10.16mm Straight - - 1 - - PBT - 15A 250 V 62.7 x 16.6 x 31mm 31mm
RS Stock No. 822-7219
Mfr. Part No.38770-0108
BrandMolex
TWD146.00
Each
units
8 9.53mm Straight Brass Nickel 2 6 → 32 - PBT - - - 92.8 x 22.4 x 11.2mm 11.2mm
RS Stock No. 822-7073
Mfr. Part No.38720-3212
BrandMolex
TWD215.00
Each
units
12 9.53mm Straight Brass Tin 1 6 → 32 - Thermoplastic - - - 135.4 x 15.7 x 16.8mm 16.8mm
RS Stock No. 822-7216
Mfr. Part No.38770-0110
BrandMolex
TWD173.00
Each
units
10 9.53mm Straight Brass Nickel 2 6 → 32 - PBT - - - 111.9 x 22.4 x 11.2mm 11.2mm