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. 885-9251
Mfr. Part No.3-140
SGD4.83
Each (In a Pack of 10)
units
3 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 38.1mm 15A 250 V ac 45.26 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-9327
Mfr. Part No.20-141
SGD20.23
Each
units
20 11.13mm Straight Brass Nickel 2 M3 14 AWG Phenolic 233.35mm 20A 250 V ac 241.3 x 28.58 x 12.7mm 12.7mm
RS Stock No. 885-9298
Mfr. Part No.24-140
SGD20.43
Each
units
24 9.53mm Straight - - 2 M3 16 AWG Phenolic 9.375 in 15A 250 V ac 245.3 x 22.2 x 10.3mm 10.3mm
RS Stock No. 885-9302
Mfr. Part No.6-141
SGD7.035
Each (In a Pack of 10)
units
6 11.13mm Straight Brass Nickel 2 M3 14 AWG Phenolic 77.77mm 20A 250 V ac 85.73 x 28.58 x 12.7mm 12.7mm
RS Stock No. 885-9289
Mfr. Part No.20-140
SGD19.77
Each
units
20 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 200.03mm 15A 250 V ac 207.19 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-6808
Mfr. Part No.18-141
SGD29.49
Each
units
- 11.13mm - Brass Nickel - - 14 AWG Phenolic - 20A 250 V ac - -
RS Stock No. 885-8490
Mfr. Part No.16-141
SGD16.68
Each
units
16 11.13mm Straight Brass Nickel 2 M3 14 AWG Phenolic 188.9mm 20A 250 V ac 196.85 x 28.58 x 12.7mm 12.7mm
RS Stock No. 885-7920
Mfr. Part No.141J
SGD1.428
Each (In a Pack of 50)
units
- - Straight Brass Nickel - - - - - - - - -
RS Stock No. 885-9285
Mfr. Part No.18-140
SGD18.97
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. 885-9320
Mfr. Part No.3-142
SGD7.13
Each (In a Pack of 10)
units
3 14.3mm Straight Brass Nickel 2 M3 10 AWG Phenolic 57.15mm 30A 250 V ac 67.46 x 33.32 x 15.88mm 15.88mm
RS Stock No. 885-9276
Mfr. Part No.10-140
SGD12.98
Each
units
10 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 104.78mm 15A 250 V ac 111.94 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-8497
Mfr. Part No.10-141
SGD13.72
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. 885-9279
Mfr. Part No.12-140
SGD13.98
Each
units
12 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 123.83mm 15A 250 V ac 130.99 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-9263
Mfr. Part No.6-140
SGD6.699
Each (In a Pack of 10)
units
6 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 66.68mm 15A 250 V ac 73.84 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-8484
Mfr. Part No.7-140
SGD7.52
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. 885-9273
Mfr. Part No.15-140
SGD9.91
Each
units
15 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 152.4mm 15A 250 V ac 159.56 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-9267
Mfr. Part No.9-140
SGD12.03
Each
units
9 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 95.25mm 15A 250 V ac 102.41 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-9282
Mfr. Part No.16-140
SGD16.22
Each
units
16 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 161.93mm 15A 250 V ac 169.09 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-9295
Mfr. Part No.4-140-Y
SGD8.42
Each
units
4 9.53mm Straight Brass Nickel 2 M3 16 AWG Phenolic 47.63mm 15A 250 V ac 54.79 x 22.23 x 10.31mm 10.31mm
RS Stock No. 885-6848
Mfr. Part No.9-141
SGD13.04
Each
units
9 11.13mm Straight Brass Nickel 2 M3 14 AWG Phenolic 111.13mm 20A 250 V ac 119.05 x 28.58 x 12.7mm 12.7mm