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
MYR15.78
Each
units
40 6mm - Steel Tin 4 - - - - - 12 V 86 x 56 x 7.5mm 7.5mm
RS Stock No. 433-703
BrandRS PRO
MYR14.778
Each (In a Pack of 5)
units
36 6.35mm - - - 2 - - - - - - 117 x 38 x 7.5mm 38mm
RS Stock No. 425-415
BrandRS PRO
MYR4.316
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. 433-775
BrandRS PRO
MYR7.334
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. 805-6060
BrandRS PRO
MYR8.598
Each (In a Pack of 5)
units
3 9.52mm - Brass Nickel - UNC 6 → 32 - Thermoplastic 4.32mm 15A 750 V 12.7 x 22.25mm 22.25mm
RS Stock No. 433-781
BrandRS PRO
MYR6.084
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
MYR4.61
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. 885-9285
Mfr. Part No.18-140
MYR40.85
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. 821-8836
Mfr. Part No.8-1437657-0
MYR10.86
Each
units
4 11.1mm Vertical Copper Alloy Tin 1 UNC 8-32 18 → 10 AWG Thermoplastic - 30A 600 V - -
RS Stock No. 822-7036
Mfr. Part No.38700-6104
BrandMolex
MYR10.54
Each
units
4 8.26mm Straight Brass Tin 1 6 → 32 22 → 14 AWG Thermoplastic - 15A 300 V 49.2 x 12.7 x 12.7mm 12.7mm
RS Stock No. 782-2888
Mfr. Part No.1546310-6
MYR30.50
Each
units
6 14.27mm - - - 2 - 22 → 10 AWG - - 30A 300 V - -
RS Stock No. 885-9311
Mfr. Part No.7-141
MYR16.95
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. 885-8490
Mfr. Part No.16-141
MYR27.96
Each
units
16 11.13mm Straight Brass Nickel 2 6 → 32 14 AWG Phenolic 188.9mm 20A 250 V ac 196.85 x 28.58 x 12.7mm 12.7mm
RS Stock No. 885-9276
Mfr. Part No.10-140
MYR16.63
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. 885-9298
Mfr. Part No.24-140
MYR47.98
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. 885-9260
Mfr. Part No.5-140
MYR9.079
Each (In a Pack of 10)
units
5 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 57.15mm 15A 250 V ac 64.31 x 22.23 x 10.31mm 10.31mm
RS Stock No. 630-0693
Mfr. Part No.ML-40-S1AXF-6P
BrandSato Parts
MYR14.59
Each
units
6 7.62mm Straight - - 1 - - PBT - 10A 250 V 62.86 x 14 x 24mm 24mm
RS Stock No. 627-2194
Mfr. Part No.ML-40-S1AXF-8P
BrandSato Parts
MYR17.88
Each
units
8 7.62mm Straight - - 1 - - PBT - 10A 250 V 78.1 x 14 x 24mm 24mm
RS Stock No. 630-0817
Mfr. Part No.ML-50-S1AXF-7P
BrandSato Parts
MYR42.08
Each
units
7 10.16mm Straight - - 1 - - PBT - 15A 250 V 93.18 x 16.6 x 31mm 31mm
RS Stock No. 821-2642
Mfr. Part No.1437664-5
MYR11.36
Each
units
3 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG PA - 20A - 30.07 x 16.51 x 16mm 16mm
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