Indoor Primary Distribution

We offer a complete range of Indoor Primary Distribution switchgear solutions which can be appreciated throughout the distribution network for both primary and secondary applications.

Our product offerings include air insulated and gas insulated panels with a choice of gas or vacuum circuit breakers. Our current voltage range is 3.3 - 15kV with ratings meeting IEC and  ANSI requirements.


  • GB2289374B
  • EP 0 909 453 B1

get in touch

Contact HSS

+44 (0)1495 223001

+44 (0)1495 223001

+ 61 7 3888 2333

what we've done

case studies

ENWL Case study Wilmslow retrofit ENWL approved

SSEN - Horizon Framework