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. 433-703
BrandRS PRO
HK$22.08
Each (In a Pack of 5)
units
36 6.35mm - - - 2 - - - - - - 117 x 38 x 7.5mm 38mm
RS Stock No. 885-9298
Mfr. Part No.24-140
HK$86.25
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. 433-775
BrandRS PRO
HK$18.874
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
HK$18.874
Each (In a Pack of 10)
units
28 6.3mm - - - - - - - 28.6mm - - 194 x 16.7 x 4mm 4mm
RS Stock No. 164-5277
Mfr. Part No.3-1437646-3
HK$5.833
Each (In a Bag of 1000)
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
RS Stock No. 885-9279
Mfr. Part No.12-140
HK$69.83
Each
units
12 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 123.83mm 15A 250 V ac 130.99 x 22.23 x 10.31mm 10.31mm
RS Stock No. 822-7070
Mfr. Part No.38720-6204
BrandMolex
HK$29.88
Each
units
4 9.53mm Straight Brass Tin 1 6 → 32 22 → 14 AWG PBT - 15A 300 V 59.2 x 15.7 x 16.8mm 16.8mm
RS Stock No. 821-2649
Mfr. Part No.3-1437646-3
HK$13.35
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
RS Stock No. 804-5682
Mfr. Part No.3240171
HK$26.644
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. 885-9305
Mfr. Part No.8-140-Y
HK$55.09
Each
units
8 9.53mm Straight Brass Nickel 2 5 → 40 16 AWG Phenolic 85.73mm 15A 250 V ac 92.89 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-6785
Mfr. Part No.14-142
HK$107.17
Each
units
14 14.3mm Straight Brass Nickel 2 8 → 32 10 AWG Phenolic 214.3mm 30A 250 V ac 224.64 x 33.32 x 15.88mm 15.88mm
RS Stock No. 822-7171
Mfr. Part No.38760-0112
BrandMolex
HK$51.26
Each
units
12 9.53mm Straight Brass Nickel 2 6 → 32 24 → 12 AWG Thermoplastic - - - 130.9 x 22.4 x 16mm 16mm
RS Stock No. 630-0722
Mfr. Part No.ML-40-S1AXF-12P
BrandSato Parts
HK$59.95
Each
units
12 7.62mm Straight - - 1 - - PBT - 10A 250 V 108.58 x 14 x 24mm 24mm
RS Stock No. 781-2677
Mfr. Part No.1546306-4
HK$19.60
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. 822-7076
Mfr. Part No.38720-6202
BrandMolex
HK$22.59
Each
units
2 9.53mm Straight Brass Tin 1 6 → 32 22 → 14 AWG PBT - 15A 300 V 40.1 x 15.7 x 16.8mm 16.8mm
RS Stock No. 885-7920
Mfr. Part No.141J
HK$4.31
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS Stock No. 630-0839
Mfr. Part No.ML-50-S1AXF-10P
BrandSato Parts
HK$100.21
Each
units
10 10.16mm Straight - - 1 - - PBT - 15A 250 V 123.66 x 16.6 x 31mm 31mm
RS Stock No. 822-7155
Mfr. Part No.38760-0102
BrandMolex
HK$17.88
Each
units
2 9.53mm Straight Brass Nickel 2 6 → 32 22 → 12 AWG Thermoplastic - - - 35.7 x 22.4 x 16mm 16mm
RS Stock No. 822-7089
Mfr. Part No.38720-6206
BrandMolex
HK$34.74
Each
units
6 9.53mm Straight Brass Tin 1 6 → 32 22 → 14 AWG PBT - 15A 300 V 78.2 x 15.7 x 16.8mm 16.8mm
RS Stock No. 822-7105
Mfr. Part No.38721-6703
BrandMolex
HK$29.26
Each
units
3 9.53mm Straight Brass Tin 1 6 → 32 - PBT - - - 49.7 x 15.7 x 16.8mm 16.8mm