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 a 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. 885-6808
Mfr. Part No.18-141
R 316.31
Each
units
- 11.13mm - Brass Nickel - - 14 AWG Phenolic - 20A 250 V ac - -
RS stock no. 763-8110
BrandRS PRO
R 28.834
Each (In a Pack of 5)
units
- 9.5mm - Brass Tin - - 12 AWG Polyamide - 20A 750 V - -
RS stock no. 885-9298
Mfr. Part No.24-140
R 219.09
Each
units
24 9.53mm Straight - - 2 M3 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 8.905
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS stock no. 403-926
Mfr. Part No.1716570000
R 72.128
Each (In a Pack of 5)
units
- 5.08mm - Copper Tin Alloy Tin - - 26 → 14 AWG Nylon - 14A 400 V - -
RS stock no. 433-703
BrandRS PRO
R 45.74
Each (In a Pack of 5)
units
36 6.35mm - - - 2 - - - - - - 117 x 38 x 7.5mm 38mm
RS stock no. 433-775
BrandRS PRO
R 39.381
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. 781-2677
Mfr. Part No.1546306-4
R 27.514
Each (In a Pack of 5)
units
4 9.53mm - Brass Tin 2 M3 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS stock no. 782-1970
Mfr. Part No.1546670-4
R 33.208
Each (In a Pack of 5)
units
4 11.1mm - Brass Tin 2 M3 22 → 14 AWG Thermoplastic - 25A 300 V - -
RS stock no. 885-9295
Mfr. Part No.4-140-Y
R 85.54
Each
units
4 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 47.63mm 15A 250 V ac 54.79 x 22.23 x 10.31mm 10.31mm
RS stock no. 168-0875
Mfr. Part No.8PCV-02-006
R 15.132
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 19mm
RS stock no. 717-6637
Mfr. Part No.8PCV-02-006
R 29.43
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 19mm
RS stock no. 161-5083
Mfr. Part No.1-1437667-0
R 23.068
Each (In a Bag of 56)
units
4 8.26mm Straight Copper Alloy Tin 1 M3 22 → 12 AWG Nylon - 20A 300 V 34.67 x 13.46 x 12.7mm 12.7mm
RS stock no. 782-2009
Mfr. Part No.1546306-6
R 42.364
Each (In a Pack of 5)
units
6 9.53mm - Brass Tin 2 M3 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS stock no. 885-9320
Mfr. Part No.3-142
R 48.12
Each (In a Pack of 10)
units
3 14.3mm Straight Brass Nickel 2 M3 10 AWG Phenolic 57.15mm 30A 250 V ac 67.46 x 33.32 x 15.88mm 15.88mm
RS stock no. 415-607
Mfr. Part No.2-1103641-3
R 546.42
Each
units
24 - - - - - - - - - 16A 400 V - -
RS stock no. 821-2655
Mfr. Part No.1-1437667-0
R 36.71
Each
units
4 8.26mm Straight Copper Alloy Tin 1 M3 22 → 12 AWG Nylon - 20A 300 V 34.67 x 13.46 x 12.7mm 12.7mm
RS stock no. 885-9276
Mfr. Part No.10-140
R 123.94
Each
units
10 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 104.78mm 15A 250 V ac 111.94 x 22.23 x 10.31mm 10.31mm
RS stock no. 415-617
Mfr. Part No.2-1103640-3
R 319.72
Each
units
24 - - - - - - - - - 16A 400 V - -
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