Distribution Blocks

The primary function of a distribution block is to supply power more efficiently to a series of devices. The secondary function is to isolate short circuit incidents to prevent complete shutdown from occurring. Distribution blocks can handle a range of frequencies and currents. Using distribution blocks requires only one large wire on the input side to link each connected device back to the power source. This eliminates the need for separate wiring of each device. 


What are distribution blocks used for?

Distribution blocks are used in various industries:

  • Heating/cooling for operating heaters, cooling systems and ventilation equipment.
  • Power distribution control in the form of voltage transformers, uninterrupted power supply units and distribution cabinets. 
  • Solar, wind and turbine as the power supply to distribute energy.
  • Electrical vehicles for charging stations.
  • Electronic automation, including elevators, lifting equipment and conveyor systems.

Types of distribution blocks

The two main types of distribution block are:

  • Bussed (enclosed) blocks, which allow for a larger input cable to be split out into smaller cables for branch circuits.
  • Independent blocks, which enable multiple individual circuits to be routed to a single location as they are not connected to each other.

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Description Price Number of Ways Termination Method Wire Size Housing Material IP Rating Current Rating Voltage Rating Cable CSA Length Width Height Colour Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 138-3502
Mfr. Part No.1561670000
BrandWeidmuller
SGD29.75
Each (In a Pack of 5)
units
2 (Input), 2 (Output) Screw 12 → 2 AWG Wemid - 202 A, 125 (UR) A 1 kV ac/dc, 600 V 25 mm², 35 mm² 22.2mm 49.3mm 55.4mm Green +130°C -50°C
RS Stock No. 383-1582
Mfr. Part No.1SNA115409R2600
BrandEntrelec
SGD10.73
Each
units
5 Clamp 12 AWG - - 32A 800 V 4mm² 32.5mm - 53mm Grey - -
RS Stock No. 675-8922
Mfr. Part No.0 371 71
BrandLegrand
SGD7.174
Each (In a Pack of 5)
units
1 Screw Down 10 AWG Metal - 23A 800 V 4mm² 52.2mm 6mm 46.4mm Green, Yellow +55°C -30°C
RS Stock No. 100-3921
Mfr. Part No.1SNL316010R0000
BrandEntrelec
SGD57.07
Each
units
8 Screw Down 10 → 6 (End 1) AWG, 14 → 6 (End 2) AWG, 6 → 2/0 (End 1) AWG Polyamide IP10 160A 1 kV ac, 1.5 kV dc 10 → 70 (End 1) mm², 2.5 → 16 (End 2) mm², 6 → 16 (End 1) mm² 28.2mm 50.7mm 75mm Grey +110°C -55°C
RS Stock No. 187-9903
Mfr. Part No.3273332
SGD58.16
1 Bag of 10
Bag(s)
7 Push In 26 → 12 (Solid) AWG, 26 → 14 (Flexible) AWG Polyamide - 57A 450 V 0.14 → 2.5 (Flexible) mm², 0.14 → 4 (Solid) mm² 28.6mm 25.55mm 21.7mm Blue - -
RS Stock No. 138-3494
Mfr. Part No.1560730000
BrandWeidmuller
SGD12.384
Each (In a Pack of 5)
units
2 (Input), 2 (Output) Screw 14 → 4 AWG Wemid - 152 A, 90 (UR) A 1 kV ac/dc, 600 V 16 mm², 25 mm² 17.8mm 49.3mm 55.7mm Grey +130°C -50°C
RS Stock No. 239-5136
Mfr. Part No.7601.2101.8
BrandKopp
SGD29.37
Each
units
2 - - - - 16A - - - - - - - -
RS Stock No. 138-3505
Mfr. Part No.1561780000
BrandWeidmuller
SGD29.203
Each (In a Pack of 3)
units
2 (Input), 2 (Output) Screw 8 AWG Wemid - 300 A, 160 (UR) A 1 kV ac/dc, 600 V 50 mm², 70 mm² 32.9mm 53.1mm 63mm Blue +130°C -50°C
RS Stock No. 187-9906
Mfr. Part No.3273356
SGD86.57
1 Bag of 8
Bag(s)
13 Push In 26 → 12 (Solid) AWG, 26 → 14 (Flexible) AWG Polyamide - 57A 450 V 0.14 → 2.5 (Flexible) mm², 0.14 → 4 (Solid) mm² 28.6mm 41mm 21.7mm Red - -
RS Stock No. 100-3924
Mfr. Part No.1SNL340010R0000
BrandEntrelec
SGD115.61
Each
units
12 Screw Down 14 → 2 (End 2) AWG, 14 → 6 (End 2) AWG, 14 → 8 (End 2) AWG, 3/0 AWG → 400 Kcmil (End 1) Polyamide IP10 400A 1 kV ac, 1.5 kV dc 2.5 → 10 (End 2) mm², 2.5 → 16 (End 2) mm², 2.5 → 35 (End 2) mm², 95 → 185 (End 1) mm² 46mm 60mm 96mm Grey +110°C -55°C
RS Stock No. 138-3490
Mfr. Part No.1562210000
BrandWeidmuller
SGD51.17
1 Pack of 1
Pack(s)
2 (Input), 5 (Output) Screw 10 AWG Wemid - 192 A, 150 (UR) A 1 kV ac/dc, 600 V 16 mm², 25 mm², 70 mm² 41mm 50.4mm 74.5mm Grey +130°C -50°C
RS Stock No. 187-9909
Mfr. Part No.3273378
SGD117.08
1 Bag of 8
Bag(s)
19 Push In 26 → 12 (Solid) AWG, 26 → 14 (Flexible) AWG Polyamide - 57A 450 V 0.14 → 2.5 (Flexible) mm², 0.14 → 4 (Solid) mm² 28.6mm 56.45mm 21.7mm Red - -
RS Stock No. 187-9901
Mfr. Part No.3270222
SGD98.69
1 Bag of 5
Bag(s)
16 Push In 26 → 14 (Solid, Flexible) AWG Polyamide - 37A 250 V 0.14 → 1.5 (Flexible) mm², 0.14 → 2.5 (Solid) mm² 63.6mm 8.3mm 54mm Grey, Red - -
RS Stock No. 100-3923
Mfr. Part No.1SNL325010R0000
BrandEntrelec
SGD107.14
Each
units
12 Screw Down 14 → 2 (End 2) AWG, 14 → 6 (End 2) AWG, 14 → 8 (End 2) AWG, 2 → 250 (End 1) Kcmil Polyamide IP10 250A 1 kV ac, 1.5 kV dc 2.5 → 10 (End 2) mm², 2.5 → 16 (End 2) mm², 2.5 → 35 (End 2) mm², 35 → 120 (End 1) mm² 46mm 60mm 96mm Grey +110°C -55°C
RS Stock No. 138-3506
Mfr. Part No.1561820000
BrandWeidmuller
SGD36.217
Each (In a Pack of 3)
units
2 (Input), 2 (Output) Screw 8 AWG Wemid - 300 A, 160 (UR) A 1 kV ac/dc, 600 V 50 mm², 70 mm² 32.9mm 53.1mm 63mm Brown +130°C -50°C
RS Stock No. 413-2319
Mfr. Part No.1SNA179534R2200
BrandEntrelec
SGD66.03
Each
units
8 Screw Down 6 AWG, 8 AWG Copper Aluminium Alloy - 80A 600 V 16 inputmm² 88mm 85mm 60mm Grey - -
RS Stock No. 138-3493
Mfr. Part No.1562090000
BrandWeidmuller
SGD84.58
1 Pack of 1
Pack(s)
2 (Input), 9 (Output) Screw 350 AWG Wemid - 353 A, 310 (UR) A 1 kV ac, 1.5 kV dc, 600 V 16 mm², 25 mm², 35 mm², 185 mm² 52.6mm 67mm 94mm Grey +130°C -50°C
RS Stock No. 138-3486
Mfr. Part No.1561930000
BrandWeidmuller
SGD16.157
Each (In a Pack of 3)
units
2 (Input), 6 (Output) Screw - Wemid - 100A 690 V ac/dc 10 mm², 25 mm² 30.2mm 49mm 55.4mm Green +130°C -50°C
RS Stock No. 100-3922
Mfr. Part No.1SNL317510R0000
BrandEntrelec
SGD75.41
Each
units
12 Screw Down 14 → 6 (End 2) AWG, 6 → 2/0 (End 1) AWG Polyamide IP10 175A 1 kV ac, 1.5 kV dc 10 → 70 (End 1) mm², 2.5 → 16 (End 2) mm² 46.2mm 52.3mm 72.5mm Grey +110°C -55°C
RS Stock No. 138-3499
Mfr. Part No.1561680000
BrandWeidmuller
SGD26.818
Each (In a Pack of 5)
units
2 (Input), 2 (Output) Screw 12 → 2 AWG Wemid - 202 A, 125 (UR) A 1 kV ac/dc, 600 V 25 mm², 35 mm² 22.2mm 49.3mm 55.4mm Grey +130°C -50°C
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