Containerised, compact substations are designed in accordance with IEC/EN 61330 standard for high-voltage / low-voltage prefabricated substations.


  • Heavy-duty and compact substation
  • Containerised substation for hazardous areas
  • Low-voltage motor control centre
  • Low-voltage power centre
  • Complete automation system

Medium-voltage heavy-duty substation for outdoor installation is a free standing, containerised unit, specifically designed for site electrification. It is completely self-contained and easily movable.


  • Forced ventilation (transformer room)
  • Air-conditioned (MV and LV room) ISO 830: freight containers-terminology
  • ISO 668: series one freight containers-classification, external dimensions and ratings
  • ISO 1496-1: series one freight containers-specification and testing
  • ISO 3874: series one freight containers handling and securing
  • IEC/EN 60529: specification for degrees of protection provided by enclosures (IP code)

Compliance to other applicable Standards and European Council Directives will be indicated in the Declaration of Conformity draft in accordance to EN 45014 "General criteria for suppliers declaration of conformity" compliant with the requirements of EN ISO 9001:2008

SHERQ services accredited with design

  • ISO 9001:2008 quality management systems – requirements
  • ISO 10005 quality plans
  • Comply with all applicable statutory and regulatory laws and requirements
  • ISO 31000:2009 risk management
  • OHSAS 18001:2007 occupation health and safety
  • Mine Health and Safety Act 29 of 1996
  • UL 96 A lightening protection services
  • South African constitution
  • Supplier code of conduct

Electrical Installation and Fitment, On-Site Maintenance and Turnkey Project Services

PPE Technologies has several business divisions, including an engineering department for electrical and instrumentation design and commissioning services, an installation services department for on-site maintenance works and installation works, a project department for providing turnkey project services on an EPC and EPCM basis, and an electrical fitment shop facility providing motor control centres, MV and LV switchgear, power distribution boards, PLC and DCS panels, drive cabinets and a wide range of electrical and instrumentation solutions.