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
$4.42
Each
units
40 6mm - Steel Tin 4 - - - - - 12 V 86 x 56 x 7.5mm 7.5mm
RS Stock No. 433-703
BrandRS PRO
$5.508
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
$4.563
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. 433-781
BrandRS PRO
$3.721
Each (In a Pack of 10)
units
28 6.3mm - - - - - - - 28.6mm - - 194 x 16.7 x 4mm 4mm
RS Stock No. 425-421
BrandRS PRO
$3.326
Each (In a Pack of 10)
units
1 - - Steel Zinc - M4 22 → 12 AWG Polyamide 11.2mm 20A 600 V 38 x 29 x 11mm 11mm
RS Stock No. 425-415
BrandRS PRO
$2.906
Each (In a Pack of 10)
units
1 - - Steel Zinc - M4 22 → 12 AWG Polyamide 11.2mm 20A 600 V 38 x 29 x 11mm 11mm
RS Stock No. 885-9298
Mfr. Part No.24-140
$20.00
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. 782-2009
Mfr. Part No.1546306-6
$4.168
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. 885-8497
Mfr. Part No.10-141
$10.09
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
RS Stock No. 885-7371
Mfr. Part No.140J-1
$0.66
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS Stock No. 885-9285
Mfr. Part No.18-140
$15.72
Each
units
18 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 180.98mm 15A 250 V ac 188.14 x 22.23 x 10.31mm 10.31mm
RS Stock No. 164-5822
Mfr. Part No.4-1437664-0
$6.279
Each (In a Bag of 150)
units
7 9.53mm Vertical Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - - -
RS Stock No. 821-9016
Mfr. Part No.4-1437664-0
$10.11
Each
units
7 9.53mm Vertical Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - - -
RS Stock No. 885-9289
Mfr. Part No.20-140
$18.62
Each
units
20 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 200.03mm 15A 250 V ac 207.19 x 22.23 x 10.31mm 10.31mm
RS Stock No. 782-2826
Mfr. Part No.1-1546306-4
$12.21
Each
units
14 9.53mm - - - 2 - 22 → 12 AWG - - 20A 300 V - -
RS Stock No. 804-5682
Mfr. Part No.3240171
$5.433
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. 630-0671
Mfr. Part No.ML-40-S1AXF-4P
BrandSato Parts
$3.79
Each
units
4 7.62mm Straight - - 1 - - PBT - 10A 250 V 47.62 x 14 x 24mm 24mm
RS Stock No. 164-5277
Mfr. Part No.3-1437646-3
$1,167.10
1 Bag of 1000
Bag(s)
2 6.35mm Straight Copper Alloy Tin 1 M3 30 → 16 AWG Thermoplastic - 10A 300 V 13.97 x 12.7 x 13.97mm 13.97mm
RS Stock No. 630-0788
Mfr. Part No.ML-50-S1AXF-4P
BrandSato Parts
$5.68
Each
units
4 10.16mm Straight - - 1 - - PBT - 15A 250 V 62.7 x 16.6 x 31mm 31mm
RS Stock No. 821-2649
Mfr. Part No.3-1437646-3
$3.90
Each
units
2 6.35mm Straight Copper Alloy Tin 1 M3 30 → 16 AWG Thermoplastic - 10A 300 V 13.97 x 12.7 x 13.97mm 13.97mm
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