Sub Main Distribution Switchboards

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LOADBANK

Loadbank Sub Main Distribution Boards, are Fully Type Tested to the latest BS EN 61439-2 standards.

It is a Wall Mounting, Sheet Steel clad assembly with busbar ratings of 250A, 400A and 800A TP & N available in fault ratings of 25kA for 1 second, 25kA for 3 seconds, 36kA for 1 second and 50kA for 1 second.

The standard construction is Form 2, with a Form 4 option provided in the 800A system.


TECHNICAL SPECIFICATION:
  • Type Tested / Verified Assembly to the latest standard IEC 61439 and certified by ASTA
  • Busbars rated for a short circuit withstand of 25kA, 35kA and 50kA for 1 second
  • Enclosures formed from 1.2mm sheet steel, epoxy powder coated to light grey semi-gloss as per RAL 7035 with a paint thickness of an average 65 microns
  • IP41 ingress protection
  • Option of 250A, 400A and 800A incomers with 4-18 outgoing way configurations
  • Form 2 & 4 (400A-800A)
  • Tin Plated HDHC copper busbars
  • Common width (700mm) and depth (190mm) for 250A incomer
  • Common width (900mm) and depth (200mm) for 400A - 800A incomer