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. They’re 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. 822-7199
Mfr. Part No.38770-0103
BrandMolex
TWD79.00
Each
units
3 9.53mm Straight Brass Nickel 2 6 → 32 - PBT - - - 45.2 x 22.4 x 11.2mm 11.2mm
RS Stock No. 822-7200
Mfr. Part No.38770-0107
BrandMolex
TWD134.00
Each
units
7 9.53mm Straight Brass Nickel 2 6 → 32 - PBT - - - 83.3 x 22.4 x 11.2mm 11.2mm
RS Stock No. 822-7228
Mfr. Part No.38780-0102
BrandMolex
TWD66.00
Each
units
2 11.11mm Straight Brass Nickel 2 6 → 32 - Thermoplastic - - - 41.3 x 28.6 x 14mm 14mm
RS Stock No. 178-9791
Mfr. Part No.38630-7803
BrandMolex
TWD120.00
Each (In a Bag of 425)
units
3 11.13mm Straight Brass Tin 1 6 → 32 - PBT - - 600 V 37.1 x 16.5 x 19.6mm 19.6mm
RS Stock No. 164-5790
Mfr. Part No.3-1437664-1
TWD39.10
Each (In a Bag of 300)
units
3 9.53mm Vertical Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - - -
RS Stock No. 885-9308
Mfr. Part No.MS-3-141
TWD20.30
Each (In a Pack of 1000)
units
3 11.1mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 44.45mm 20A 250 V ac 52.37 x 28.58 x 12.7mm 12.7mm
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. 781-2677
Mfr. Part No.1546306-4
TWD76.00
Each (In a Pack of 5)
units
4 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 885-6735
Mfr. Part No.6-140-Y
TWD319.00
Each
units
6 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 66.68mm 15A 250 V ac 73.84 x 22.23 x 10.31mm 10.31mm
RS Stock No. 822-7105
Mfr. Part No.38721-6703
BrandMolex
TWD119.00
Each
units
3 9.53mm Straight Brass Tin 1 6 → 32 - PBT - - - 49.7 x 15.7 x 16.8mm 16.8mm
RS Stock No. 821-2655
Mfr. Part No.1-1437667-0
TWD74.00
Each
units
4 8.26mm Straight Copper Alloy Tin 1 6 → 32 22 → 12 AWG Nylon - 20A 300 V 34.67 x 13.46 x 12.7mm 12.7mm
RS Stock No. 164-5195
Mfr. Part No.1437664-4
TWD24.10
Each (In a Bag of 300)
units
2 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG PA - 20A - 20.55 x 16.51 x 16mm 16mm
RS Stock No. 822-7045
Mfr. Part No.38700-6108
BrandMolex
TWD155.00
Each
units
8 8.26mm Straight Brass Tin 1 6 → 32 22 → 14 AWG Thermoplastic - 15A 300 V 82.2 x 12.7 x 12.7mm 12.7mm
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. 885-9320
Mfr. Part No.3-142
TWD101.20
Each (In a Pack of 10)
units
3 14.3mm Straight Brass Nickel 2 8 → 32 10 AWG Phenolic 57.15mm 30A 250 V ac 67.46 x 33.32 x 15.88mm 15.88mm
RS Stock No. 822-7174
Mfr. Part No.38760-0109
BrandMolex
TWD161.00
Each
units
9 9.53mm Straight Brass Nickel 2 6 → 32 24 → 12 AWG Thermoplastic - - - 102.4 x 22.4 x 16mm 16mm
RS Stock No. 782-2826
Mfr. Part No.1-1546306-4
TWD264.00
Each
units
14 9.53mm - - - 2 - 22 → 12 AWG - - 20A 300 V - -
RS Stock No. 885-7920
Mfr. Part No.141J
TWD18.40
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS Stock No. 885-9314
Mfr. Part No.12-141
TWD343.00
Each
units
12 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 144.45mm 20A 250 V ac 152.4 x 28.58 x 12.7mm 12.7mm
RS Stock No. 782-2009
Mfr. Part No.1546306-6
TWD120.00
Each (In a Pack of 5)
units
6 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -