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. 804-5758
Mfr. Part No.3240253
TWD148.50
Each (In a Pack of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 885-9285
Mfr. Part No.18-140
TWD363.00
Each
units
18 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 180.98mm 15A 250 V ac 188.14 x 22.23 x 10.31mm 10.31mm
RS Stock No. 391-0483
Mfr. Part No.ATK10-12P
BrandToyogiken
TWD231.00
Each
units
- 8mm - - - - - 2 mm² - - 20A 600 V - -
RS Stock No. 410-448
Mfr. Part No.516-230-512
BrandEDAC
TWD586.00
Each
units
- - - - - - - - - - - - - -
RS Stock No. 645-3747
Mfr. Part No.ML-70-A-6P
BrandSato Parts
TWD301.20
Each (In a Pack of 5)
units
- 11mm - - - - - - Phenolic Resin - 10A 250 V - -
RS Stock No. 645-6207
Mfr. Part No.ML-20-5P
BrandSato Parts
TWD398.00
Each
units
- 11mm - - - - - - Phenolic Resin - 20A 250 V - -
RS Stock No. 804-5749
Mfr. Part No.3240252
TWD121.90
Each (In a Pack of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 645-9903
Mfr. Part No.ML-40-S1AXS-7P
BrandSato Parts
TWD141.20
Each (In a Pack of 5)
units
- 7.62mm - - - - - - PBT - 10A 250 V - -
RS Stock No. 885-9305
Mfr. Part No.8-140-Y
TWD217.00
Each
units
8 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 85.73mm 15A 250 V ac 92.89 x 22.23 x 10.31mm 10.31mm
RS Stock No. 168-0875
Mfr. Part No.8PCV-02-006
TWD28.40
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. 822-7070
Mfr. Part No.38720-6204
BrandMolex
TWD71.00
Each
units
4 9.53mm Straight Brass Tin 1 M3 22 → 14 AWG PBT - 15A 300 V 59.2 x 15.7 x 16.8mm 16.8mm
RS Stock No. 646-0874
Mfr. Part No.ML-41-S1BXF-4P
BrandSato Parts
TWD127.80
Each (In a Pack of 5)
units
- 7.62mm - - - - - - PBT - 10A 250 V - -
RS Stock No. 885-8484
Mfr. Part No.7-140
TWD164.00
Each
units
7 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 76.2mm 15A 250 V ac 83.36 x 22.23 x 10.31mm 10.31mm
RS Stock No. 822-7036
Mfr. Part No.38700-6104
BrandMolex
TWD75.00
Each
units
4 8.26mm Straight Brass Tin 1 M3 22 → 14 AWG Thermoplastic - 15A 300 V 49.2 x 12.7 x 12.7mm 12.7mm
RS Stock No. 717-6637
Mfr. Part No.8PCV-02-006
TWD52.00
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. 821-8896
Mfr. Part No.3-1437651-4
TWD53.00
Each
units
2 9.53mm Vertical Copper Alloy Tin 1 M3 22 → 12 AWG Thermoplastic - 5 A, 25 A 300 V, 600 V - -
RS Stock No. 822-7064
Mfr. Part No.38720-3210
BrandMolex
TWD233.00
Each
units
10 9.53mm Straight Brass Tin 1 M3 - Thermoplastic - - - 116.3 x 15.7 x 16.8mm 16.8mm
RS Stock No. 822-7067
Mfr. Part No.38720-3206
BrandMolex
TWD141.00
Each
units
6 9.53mm Straight Brass Tin 1 M3 - Thermoplastic - - - 78.2 x 15.7 x 16.8mm 16.8mm
RS Stock No. 822-7206
Mfr. Part No.38770-0106
BrandMolex
TWD136.00
Each
units
6 9.53mm Straight Brass Nickel 2 M3 - PBT - - - 73.8 x 22.4 x 11.2mm 11.2mm
RS Stock No. 822-7089
Mfr. Part No.38720-6206
BrandMolex
TWD142.00
Each
units
6 9.53mm Straight Brass Tin 1 M3 22 → 14 AWG PBT - 15A 300 V 78.2 x 15.7 x 16.8mm 16.8mm