125A 4 Pin Three Phase SY Extension Lead x 20m

£779.00 Ex. VAT £934.80 Inc. VAT
  • 4 Core 35mm² SY Cable
  • IP67 125A 415V Plug & Socket
  • Designed For Large Three Phase Applications
  • Ordinarily Used In Factories, Warehouses etc.
Bulk Savings Available
Qty Price
0 - 4 £779.00 Ex. VAT £934.80 Inc. VAT
5 - 9 £763.42 Ex. VAT£916.10 Inc. VAT
10+ £747.84 Ex. VAT£897.41 Inc. VAT
SKU: 125A-4P-SY-20

125A 4 Pin Three Phase SY Extension Lead x 20m – These extension leads are primarily designed to be used in large three phase applications. These leads are built using 35mm x 4 Core SY Cable and an IP67 125A Plug & Socket.

All of our extension leads are built and tested to ensure they adhere to all the relevant health and safety standards. Please get in touch if you require a PAT Testing certificate with your extension lead. We also stock and supply large quantities of these extension leads, therefore large orders can be dispatched quickly and easily. Please get in touch if you require a large quantity of extension leads as further discounts can be had on bulk orders. 

** PLEASE NOTE; Each current rating (16A, 32A, 63A etc) of extension lead has a different size plug & socket, therefore are NOT cross-compatible with each other. If you’re unsure which extension lead it is you require, please make sure to check the specifications of the device you’re wanting to plug the lead into **

125A 4 Pin Three Phase SY Extension Lead x 20m Specifications

  • 35mm² x 4 Core SY cable
  • Pre-fitted IP67 125A 4 Pin 415V plug & socket
  • PAT Testing Available
  • Cable Specifications;
    – Current Rating: 135A (Three-phase AC)
    – Overall Diameter: 30mm
    – Weight (Per Metre): 2.098Kg
    – Temperature Rating: -15°C to +60°C (Flexed)
    – Minimum Bending Radius: 6 x overall diameter
    – Braided Steel Wire Armour
    – Conductors: Flexible Copper
    – Insulation: PVC
    – Sheath: PVC
    – Core Identification: Brown | Black | Grey | Green/Yellow
    – Outer Sheath Colour: Transparent

Further Information

As previously stated, we stock a large quantity of extension leads, as to suit any requirement you may have. If you require further information regarding any of the cable or leads we supply, please call our sales team on 01244 288138. Alternatively, you can send an email enquiry to [email protected].

We also stock and supply the Cable Lugs to suit this size cable, which we can also fit for you should you require them. We can also heat shrink the ends of the cable too! If you require any of these services, please call us and we can provide you with a full quotation.

Additional information

Weight 1.0000 kg
Armour / Protection

GSWB (Galvanised steel wire braid)


PVC (Polyvinyl Chloride)




Class 5 flexible annealed plain copper

Core identification

Black with white numbers (3 cores and above to include green/yellow). Coloured cores available.

Current Rating



PVC (Polyvinyl Chloride)

Operating temperature

-15°C to +70°C

Product Code




Sheath / Jacket

PVC (Polyvinyl Chloride)

Number of cores / size of cable

4 Core / 35mm




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