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. 123-4541
BrandRS PRO
R 72.03
Each
units
40 6mm - Steel Tin 4 - - - - - 12 V 86 x 56 x 7.5mm 7.5mm
RS stock no. 885-9298
Mfr. Part No.24-140
R 209.58
Each
units
24 9.53mm Straight - - 2 5 → 40 16 AWG Phenolic 9.375 in 15A 250 V ac 245.3 x 22.2 x 10.3mm 10.3mm
RS stock no. 885-7920
Mfr. Part No.141J
R 7.772
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS stock no. 781-2677
Mfr. Part No.1546306-4
R 28.412
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. 782-1970
Mfr. Part No.1546670-4
R 53.95
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. 433-775
BrandRS PRO
R 36.582
Each (In a Pack of 10)
units
28 9.5mm - - - - - - - 28.6mm - - 266.7 x 17.9 x 10.6mm 10.6mm
RS stock no. 433-703
BrandRS PRO
R 42.462
Each (In a Pack of 5)
units
36 6.35mm - - - 2 - - - - - - 117 x 38 x 7.5mm 38mm
RS stock no. 885-9295
Mfr. Part No.4-140-Y
R 87.05
Each
units
4 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 47.63mm 15A 250 V ac 54.79 x 22.23 x 10.31mm 10.31mm
RS stock no. 717-6637
Mfr. Part No.8PCV-02-006
R 27.78
Each
units
2 11.1mm Straight Copper Alloy Tin 1 M4 22 → 10 AWG Thermoplastic - 30A 600 V 0.947 x 0.8 x 0.77in 0.77in
RS stock no. 168-0875
Mfr. Part No.8PCV-02-006
R 14.731
Each (On a Reel of 4000)
units
2 11.1mm Straight Copper Alloy Tin 1 M4 22 → 10 AWG Thermoplastic - 30A 600 V 0.947 x 0.8 x 0.77in 0.77in
RS stock no. 782-2009
Mfr. Part No.1546306-6
R 34.608
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. 885-9276
Mfr. Part No.10-140
R 119.70
Each
units
10 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 104.78mm 15A 250 V ac 111.94 x 22.23 x 10.31mm 10.31mm
RS stock no. 885-9320
Mfr. Part No.3-142
R 48.678
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. 161-5083
Mfr. Part No.1-1437667-0
R 21.89
Each (In a Bag of 56)
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. 821-2655
Mfr. Part No.1-1437667-0
R 34.68
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. 804-5682
Mfr. Part No.3240171
R 31.46
Each (In a Pack of 10)
units
24 - Straight - - 1 M3 12 → 18 AWG Polyamide - 32A 450 V 117 x 18.6 x 15mm 15mm
RS stock no. 782-2888
Mfr. Part No.1546310-6
R 69.82
Each
units
6 14.27mm - - - 2 - 22 → 10 AWG - - 30A 300 V - -
RS stock no. 885-7371
Mfr. Part No.140J-1
R 9.03
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS stock no. 782-1936
Mfr. Part No.1-1546670-0
R 115.268
Each (In a Pack of 5)
units
10 11.1mm - Brass Tin 2 UNC 6-32 22 → 14 AWG Thermoplastic - 25A 300 V - -
RS stock no. 885-8497
Mfr. Part No.10-141
R 128.31
Each
units
10 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 122.25mm 20A 250 V ac 130.18 x 28.58 x 12.7mm 12.7mm