Power Circuit Breakers

for safety and protection

GroupStack Switchboards

A power distribution system with outgoing circuits supplied by circuit breakers mounted in a vertical group "stak" behind single or double doors. An ideal solution to save cost for low-maintenance applications such as:

  • schools
  • retail
  • public buildings


  • Reduces cost and space
  • Flexible configurations
  • Complies with standards
  • Easy to configure and quote


  • Form 4b, Type 6 (as BEAMA Guide)
  • Up to 14 feeders per column (160A, 3P)
  • Top- & botton- entry
  • Icw 50 kA for 1 second
  • Tested, verified to IEC\BSEN 61439-2 (DEKRA certification)
  • Flat pack of part asembled
  • Excellent rated diversity factor (RDF)
  • Insullated covers: IP2X with doors open

100kA, 6300A Switchboards

Terasaki ACBs and MCCBs are aslo tested and verified in the Elsteel Techno Module system

  • 16A up to 6300A breakers tested
  • Up to 100kA fault level
  • Plug-in feeders
Download Terasaki breakers and Elsteel Techno module System