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. 885-8497
Mfr. Part No.10-141
SGD9.31
Each
units
10 11.13mm Straight Brass Nickel 2 M3 14 AWG Phenolic 122.25mm 20A 250 V ac 130.18 x 28.58 x 12.7mm 12.7mm
RS Stock No. 782-5446
Mfr. Part No.2-1437667-4
SGD1.28
Each
units
2 8.26mm - - - 1 - 22 → 12 AWG - - 20A 150 V - -
RS Stock No. 821-2649
Mfr. Part No.3-1437646-3
SGD1.93
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. 391-0641
Mfr. Part No.RTK-10M-20P
BrandToyogiken
SGD14.85
Each
units
- 7mm - - - - - - - - 15A 250 V - -
RS Stock No. 391-0562
Mfr. Part No.ATK15H-6P
BrandToyogiken
SGD9.15
Each
units
- 10mm - - - - - 3.5 mm² - - 30A 600 V - -
RS Stock No. 164-5277
Mfr. Part No.3-1437646-3
SGD1.08
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. 645-7480
Mfr. Part No.ML-24-4P
BrandSato Parts
SGD9.194
Each (In a Pack of 5)
units
- 8mm - - - - - - Phenolic Resin - 6A 250 V - -
RS Stock No. 885-7920
Mfr. Part No.141J
SGD0.666
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS Stock No. 391-0528
Mfr. Part No.ATK10-20P
BrandToyogiken
SGD16.88
Each
units
- 8mm - - - - - 2 mm² - - 20A 600 V - -
RS Stock No. 782-2826
Mfr. Part No.1-1546306-4
SGD9.00
Each
units
14 9.53mm - - - 2 - 22 → 12 AWG - - 20A 300 V - -
RS Stock No. 821-2658
Mfr. Part No.1437664-4
SGD2.12
Each
units
2 9.53mm Straight Copper Alloy Tin 1 - 22 → 12 AWG Polyamide - 20A - 20.55 x 16.51 x 16mm 16mm
RS Stock No. 403-926
Mfr. Part No.1716570000
SGD11.98
Each (In a Pack of 5)
units
- 5.08mm - Copper Tin Alloy Tin - - 26 → 14 AWG Nylon - 14A 400 V - -
RS Stock No. 782-1930
Mfr. Part No.1-1546306-0
SGD5.564
Each (In a Pack of 5)
units
10 9.53mm - Brass Tin 2 M3 22 → 12 AWG Thermoplastic - 20A 300 V - -
RS Stock No. 391-0657
Mfr. Part No.PCN-1H20
BrandToyogiken
SGD82.62
Each
units
- 7.62mm - - - - - 1.25 mm² PPO - 1A 125 V - -
RS Stock No. 646-0874
Mfr. Part No.ML-41-S1BXF-4P
BrandSato Parts
SGD5.74
Each (In a Pack of 5)
units
- 7.62mm - - - - - - PBT - 10A 250 V - -
RS Stock No. 391-0483
Mfr. Part No.ATK10-12P
BrandToyogiken
SGD10.66
Each
units
- 8mm - - - - - 2 mm² - - 20A 600 V - -
RS Stock No. 885-8484
Mfr. Part No.7-140
SGD7.11
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. 885-9314
Mfr. Part No.12-141
SGD14.84
Each
units
12 11.13mm Straight Brass Nickel 2 M3 14 AWG Phenolic 144.45mm 20A 250 V ac 152.4 x 28.58 x 12.7mm 12.7mm
RS Stock No. 804-5749
Mfr. Part No.3240252
SGD6.181
Each (In a Pack of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 782-1952
Mfr. Part No.1546306-2
SGD0.88
Each (In a Pack of 5)
units
2 9.53mm - Brass Tin 2 M3 22 → 12 AWG Thermoplastic - 20A 300 V - -
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