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. 821-2649
Mfr. Part No.3-1437646-3
HK$15.58
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. 164-5277
Mfr. Part No.3-1437646-3
HK$5,833.00
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. 821-2655
Mfr. Part No.1-1437667-0
HK$11.38
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. 782-1930
Mfr. Part No.1-1546306-0
HK$194.68
1 Pack of 5
Pack(s)
10 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 161-5602
Mfr. Part No.1-1437667-2
HK$12.71
Each (In a Box of 40)
units
6 8.26mm Vertical Copper Alloy Tin 1 UNC 6-32 22 → 12 AWG Nylon - 20A 150 V - -
RS Stock No. 161-5083
Mfr. Part No.1-1437667-0
HK$5.013
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. 821-2658
Mfr. Part No.1437664-4
HK$12.10
Each
units
2 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG PA - 20A - 20.55 x 16.51 x 16mm 16mm
RS Stock No. 782-5449
Mfr. Part No.9-1437652-5
HK$35.74
Each
units
6 9.53mm - - - 1 - 22 → 12 AWG - - 25A 300 V - -
RS Stock No. 821-2642
Mfr. Part No.1437664-5
HK$16.06
Each
units
3 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG PA - 20A - 30.07 x 16.51 x 16mm 16mm
RS Stock No. 782-1970
Mfr. Part No.1546670-4
HK$182.45
1 Pack of 5
Pack(s)
4 11.1mm - Brass Tin 2 UNC 6-32 22 → 14 AWG Thermoplastic - 25A 300 V - -
RS Stock No. 782-2009
Mfr. Part No.1546306-6
HK$90.30
1 Pack of 5
Pack(s)
6 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 782-1936
Mfr. Part No.1-1546670-0
HK$309.68
1 Pack of 5
Pack(s)
10 11.1mm - Brass Tin 2 UNC 6-32 22 → 14 AWG Thermoplastic - 25A 300 V - -
RS Stock No. 717-6637
Mfr. Part No.8PCV-02-006
HK$9.05
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. 781-2677
Mfr. Part No.1546306-4
HK$12.27
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. 782-2002
Mfr. Part No.1546670-8
HK$203.81
1 Pack of 5
Pack(s)
8 11.1mm - Brass Tin 2 UNC 6-32 22 → 14 AWG Thermoplastic - 25A 300 V - -
RS Stock No. 821-8896
Mfr. Part No.3-1437651-4
HK$16.20
Each
units
2 9.53mm Vertical Copper Alloy Tin 1 UNC 6-32 22 → 12 AWG Thermoplastic - 5 A, 25 A 300 V, 600 V - -
RS Stock No. 782-1952
Mfr. Part No.1546306-2
HK$30.04
1 Pack of 5
Pack(s)
2 9.53mm - Brass Tin 2 UNC 6-32 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 821-9016
Mfr. Part No.4-1437664-0
HK$38.53
Each
units
7 9.53mm Vertical Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - - -
RS Stock No. 782-5446
Mfr. Part No.2-1437667-4
HK$8.54
Each
units
2 8.26mm - - - 1 - 22 → 12 AWG - - 20A 150 V - -
RS Stock No. 164-5195
Mfr. Part No.1437664-4
HK$4.637
Each (In a Bag of 300)
units
2 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG PA - 20A - 20.55 x 16.51 x 16mm 16mm