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. 100-3919
Mfr. Part No.1SNL308010R0000
BrandEntrelec
MYR79.56
Each
units
7 Screw Down 14 → 10 (End 2) AWG, 14 → 4 (End 1) AWG Polyamide IP20 80A 1 kV ac, 1.5 kV dc 2.5 → 16 (End 1) mm², 2.5 → 16 (End 2) mm² 28.4mm 50.2mm 66mm Grey +110°C -55°C
RS Stock No. 383-1582
Mfr. Part No.1SNA115409R2600
BrandEntrelec
MYR36.89
Each
units
5 Clamp 12 AWG - - 32A 800 V 4mm² 32.5mm - 53mm Grey - -
RS Stock No. 705-5537
Mfr. Part No.0 048 42
BrandLegrand
MYR56.23
Each
units
8 Screw Down - PC IP20 80A 400 V ac 1.5 → 16mm² 75mm - - Blue +40°C -5°C
RS Stock No. 383-1560
Mfr. Part No.1SNA115407R1400
BrandEntrelec
MYR22.95
Each
units
3 Clamp 12 AWG - - 32A 800 V 4mm² 20.5mm - 53mm Grey - -
RS Stock No. 100-3924
Mfr. Part No.1SNL340010R0000
BrandEntrelec
MYR388.73
Each
units
12 Screw Down 3/0 AWG → 400 Kcmil (End 1), 14 → 2 (End 2) AWG, 14 → 6 (End 2) AWG, 14 → 8 (End 2) AWG 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. 383-1576
Mfr. Part No.1SNA115408R2500
BrandEntrelec
MYR29.51
Each
units
4 Clamp 12 AWG - - 32A 800 V 4mm² 26.5mm - 53mm Grey - -
RS Stock No. 383-1633
Mfr. Part No.1SNA115338R2500
BrandEntrelec
MYR245.82
Each
units
2 Clamp 6 AWG - - 200A 800 V 10-70 inputmm² 114mm - 56.7mm Grey - -
RS Stock No. 383-1598
Mfr. Part No.1SNA115412R0000
BrandEntrelec
MYR72.27
Each
units
10 Clamp 12 AWG - - 32A 800 V 4mm² 62.5mm - 53mm Grey - -
RS Stock No. 277-9786
Mfr. Part No.0 048 44
BrandLegrand
MYR74.17
Each
units
13 Screw Down - PC IP20 100A 400 V ac 1.5 → 16 mm², 6 → 25 mm² 113mm - - Blue +40°C -5°C
RS Stock No. 868-0736
BrandRS PRO
MYR189.42
Each
units
26 Screw 35 mm² PC - - - - 99mm 40mm 43mm Blue +85°C -
RS Stock No. 277-9770
Mfr. Part No.0 048 54
BrandLegrand
MYR78.44
Each
units
13 Screw Down - PC IP20 100A 400 V ac 1.5 → 16 mm², 6 → 25 mm² 113mm - - Black +40°C -5°C
RS Stock No. 675-8929
Mfr. Part No.0 371 70
BrandLegrand
MYR19.77
Each (In a Pack of 5)
units
1 Screw Down 12 AWG Metal - 18A 800 V 2.5mm² 52.2mm 5mm 46.4mm Green, Yellow +55°C -30°C
RS Stock No. 868-0780
BrandRS PRO
MYR38.67
Each
units
- - - PC - - 250 V - 57mm 41.5mm 38mm Black +90°C -
RS Stock No. 277-9809
Mfr. Part No.0 048 30
BrandLegrand
MYR43.58
Each
units
4 Screw Down - PC IP20 80A 400 V ac 1.5 → 16mm² 47mm - - Green +40°C -5°C
RS Stock No. 413-2331
Mfr. Part No.1SNA179535R2300
BrandEntrelec
MYR269.11
Each
units
11 Screw Down 4 → 2 AWG, 6 AWG, 8 AWG Copper Aluminium Alloy - 125A 600 V 35 inputmm² 128mm 85mm 60mm Grey - -
RS Stock No. 277-2151
Mfr. Part No.0 048 24
BrandLegrand
MYR60.95
Each
units
13 Screw Down - PC - 100A 400 V ac 1.5 → 16 mm², 6 → 25 mm² 113mm - - - +40°C -5°C
New
RS Stock No. 201-6443
Mfr. Part No.3270202
MYR94.885
Each (In a Pack of 10)
units
32 Push In 14 → 26 AWG Polyamide IP20 17.5A 250 V 0.14 → 2.5mm² - - - Grey - -
New
RS Stock No. 201-5632
Mfr. Part No.3273174
MYR32.153
Each (In a Pack of 8)
units
12 Push In 12 AWG Polyamide IP20 24A 690 V 4mm² - - - - - -
New
RS Stock No. 201-6226
Mfr. Part No.1046958
MYR47.139
Each (In a Pack of 20)
units
18 Push In 14 AWG Polyamide IP20 17.5A 500 V 2.5mm² - - - Orange - -
RS Stock No. 187-9909
Mfr. Part No.3273378
MYR225.62
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 - -